diff --git a/libraries/controllers/server/ServerVariablesController.php b/libraries/controllers/server/ServerVariablesController.php
new file mode 100644
index 0000000000..109e72e4b0
--- /dev/null
+++ b/libraries/controllers/server/ServerVariablesController.php
@@ -0,0 +1,2506 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+
+/**
+ * Holds the PMA\libraries\controllers\server\ServerVariablesController
+ *
+ * @package PMA\libraries\controllers\server
+ */
+
+namespace PMA\libraries\controllers\server;
+
+use PMA\libraries\controllers\Controller;
+use PMA\libraries\Message;
+use PMA\libraries\Template;
+use PMA\libraries\Util;
+
+/**
+ * Handles viewing and editing server variables
+ *
+ * @package PMA\libraries\controllers\server
+ */
+class ServerVariablesController extends Controller
+{
+    /**
+     * @var array Documentation links for variables
+     */
+    protected $variable_doc_links;
+
+    /**
+     * Constructs ServerVariablesController
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->variable_doc_links = $this->_getDocumentLinks();
+    }
+
+    /**
+     * Index action
+     *
+     * @return void
+     */
+    public function indexAction()
+    {
+        if (! empty($_REQUEST['ajax_request'])
+            && isset($_REQUEST['type'])
+            && $_REQUEST['type'] === 'getval'
+        ) {
+            $this->getValueAction();
+            return;
+        }
+
+        if (! empty($_REQUEST['ajax_request'])
+            && isset($_REQUEST['type'])
+            && $_REQUEST['type'] === 'setval'
+        ) {
+            $this->setValueAction();
+            return;
+        }
+
+        require 'libraries/server_common.inc.php';
+
+        $header   = $this->response->getHeader();
+        $scripts  = $header->getScripts();
+        $scripts->addFile('server_variables.js');
+
+        /**
+         * Displays the sub-page heading
+         */
+        $doc_link = Util::showMySQLDocu('server_system_variables');
+        $this->response->addHtml(PMA_getHtmlForSubPageHeader('variables', $doc_link));
+
+        /**
+         * Sends the queries and buffers the results
+         */
+        $serverVarsResult = $this->dbi->tryQuery('SHOW SESSION VARIABLES;');
+
+        if ($serverVarsResult !== false) {
+
+            $serverVarsSession = array();
+            while ($arr = $this->dbi->fetchRow($serverVarsResult)) {
+                $serverVarsSession[$arr[0]] = $arr[1];
+            }
+            $this->dbi->freeResult($serverVarsResult);
+
+            $serverVars = $this->dbi->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
+
+            /**
+             * Link templates
+            */
+            $this->response->addHtml($this->_getHtmlForLinkTemplates());
+
+            /**
+             * Displays the page
+            */
+            $this->response->addHtml(
+                $this->_getHtmlForServerVariables($serverVars, $serverVarsSession)
+            );
+        } else {
+            /**
+             * Display the error message
+             */
+            $this->response->addHTML(
+                Message::error(
+                    sprintf(
+                        __('Not enough privilege to view server variables and settings. %s'),
+                        Util::showMySQLDocu(
+                            'server-system-variables',
+                            false,
+                            'sysvar_show_compatibility_56'
+                        )
+                    )
+                )->getDisplay()
+            );
+        }
+    }
+
+    /**
+     * Handle the AJAX request for a single variable value
+     *
+     * @return void
+     */
+    public function getValueAction()
+    {
+        // Send with correct charset
+        header('Content-Type: text/html; charset=UTF-8');
+        // Do not use double quotes inside the query to avoid a problem
+        // when server is running in ANSI_QUOTES sql_mode
+        $varValue = $this->dbi->fetchSingleRow(
+            'SHOW GLOBAL VARIABLES WHERE Variable_name=\''
+            . Util::sqlAddSlashes($_REQUEST['varName']) . '\';',
+            'NUM'
+        );
+
+        if (isset($this->variable_doc_links[$_REQUEST['varName']][3])
+            && $this->variable_doc_links[$_REQUEST['varName']][3] == 'byte'
+        ) {
+            $this->response->addJSON(
+                'message',
+                implode(
+                    ' ', Util::formatByteDown($varValue[1], 3, 3)
+                )
+            );
+        } else {
+            $this->response->addJSON(
+                'message',
+                $varValue[1]
+            );
+        }
+    }
+
+    /**
+     * Handle the AJAX request for setting value for a single variable
+     *
+     * @return void
+     */
+    public function setValueAction()
+    {
+        $value = $_REQUEST['varValue'];
+        $matches = array();
+
+        if (isset($this->variable_doc_links[$_REQUEST['varName']][3])
+            && $this->variable_doc_links[$_REQUEST['varName']][3] == 'byte'
+            && preg_match(
+                '/^\s*(\d+(\.\d+)?)\s*(mb|kb|mib|kib|gb|gib)\s*$/i',
+                $value,
+                $matches
+            )
+        ) {
+            $exp = array(
+                'kb' => 1,
+                'kib' => 1,
+                'mb' => 2,
+                'mib' => 2,
+                'gb' => 3,
+                'gib' => 3
+            );
+            $value = floatval($matches[1]) * Util::pow(
+                1024,
+                $exp[/*overload*/mb_strtolower($matches[3])]
+            );
+        } else {
+            $value = Util::sqlAddSlashes($value);
+        }
+
+        if (! is_numeric($value)) {
+            $value="'" . $value . "'";
+        }
+
+        if (! preg_match("/[^a-zA-Z0-9_]+/", $_REQUEST['varName'])
+            && $this->dbi->query(
+                'SET GLOBAL ' . $_REQUEST['varName'] . ' = ' . $value
+            )
+        ) {
+            // Some values are rounded down etc.
+            $varValue = $this->dbi->fetchSingleRow(
+                'SHOW GLOBAL VARIABLES WHERE Variable_name="'
+                . Util::sqlAddSlashes($_REQUEST['varName'])
+                . '";', 'NUM'
+            );
+            $this->response->addJSON(
+                'variable',
+                htmlspecialchars(
+                    $this->_formatVariable(
+                        $_REQUEST['varName'],
+                        $varValue[1]
+                    )
+                )
+            );
+        } else {
+            $this->response->setRequestStatus(false);
+            $this->response->addJSON(
+                'error',
+                __('Setting variable failed')
+            );
+        }
+    }
+
+    /**
+     * Format Variable
+     *
+     * @param string $name  variable name
+     * @param number $value variable value
+     *
+     * @return string formatted string
+     */
+    private function _formatVariable($name, $value)
+    {
+        if (is_numeric($value)) {
+            if (isset($this->variable_doc_links[$name][3])
+                && $this->variable_doc_links[$name][3]=='byte'
+            ) {
+                return '<abbr title="'
+                    . Util::formatNumber($value, 0) . '">'
+                    . implode(' ', Util::formatByteDown($value, 3, 3))
+                    . '</abbr>';
+            } else {
+                return Util::formatNumber($value, 0);
+            }
+        }
+        return $value;
+    }
+
+    /**
+     * Prints link templates
+     *
+     * @return string
+     */
+    private function _getHtmlForLinkTemplates()
+    {
+        $url = 'server_variables.php' . PMA_URL_getCommon();
+        return Template::get('server/variables/link_template')
+            ->render(array('url' => $url));
+    }
+
+    /**
+     * Prints Html for Server Variables
+     *
+     * @param Array $serverVars        global variables
+     * @param Array $serverVarsSession session variables
+     *
+     * @return string
+     */
+    private function _getHtmlForServerVariables($serverVars, $serverVarsSession) {
+        // filter
+        $filterValue = ! empty($_REQUEST['filter']) ? $_REQUEST['filter'] : '';
+        $output = Template::get('server/variables/variable_filter')
+            ->render(array('filterValue' => $filterValue));
+
+        $output .= '<table id="serverVariables" class="data filteredData noclick">';
+        $output .= Template::get('server/variables/variable_table_head')->render();
+        $output .= '<tbody>';
+
+        $output .= $this->_getHtmlForServerVariablesItems(
+            $serverVars, $serverVarsSession
+        );
+
+        $output .= '</tbody>';
+        $output .= '</table>';
+
+        return $output;
+    }
+
+
+    /**
+     * Prints Html for Server Variables Items
+     *
+     * @param Array $serverVars        global variables
+     * @param Array $serverVarsSession session variables
+     *
+     * @return string
+     */
+    private function _getHtmlForServerVariablesItems(
+        $serverVars, $serverVarsSession
+    ) {
+        // list of static system variables
+        $static_variables = $this->_getStaticSystemVariables();
+
+        $output = '';
+        $odd_row = true;
+        foreach ($serverVars as $name => $value) {
+            $has_session_value = isset($serverVarsSession[$name])
+                && $serverVarsSession[$name] != $value;
+            $row_class = ($odd_row ? ' odd' : ' even')
+                . ($has_session_value ? ' diffSession' : '');
+            $docLink = isset($this->variable_doc_links[$name])
+                ? $this->variable_doc_links[$name] : null;
+            $formattedValue = $this->_formatVariable($name, $value);
+
+            $output .= Template::get('server/variables/variable_row')
+                ->render(
+                    array(
+                        'rowClass'    => $row_class,
+                        'editable'    => ! in_array(strtolower($name), $static_variables),
+                        'docLink'     => $docLink,
+                        'name'        => $name,
+                        'value'       => $formattedValue,
+                        'isSuperuser' => $this->dbi->isSuperuser(),
+                    )
+                );
+
+            if ($has_session_value) {
+                $formattedValue = $this->_formatVariable(
+                    $name, $serverVarsSession[$name]
+                );
+                $output .= Template::get('server/variables/session_variable_row')
+                    ->render(
+                        array(
+                            'rowClass' => $row_class,
+                            'value'    => $formattedValue,
+                        )
+                    );
+            }
+
+            $odd_row = ! $odd_row;
+        }
+
+        return $output;
+    }
+
+    /**
+     * Returns Array of documentation links
+     *
+     * $variable_doc_links[string $name] = array(
+     *    string $name,
+     *    string $anchor,
+     *    string $chapter,
+     *    string $type,
+     *    string $format);
+     * string $name: name of the system variable
+     * string $anchor: anchor to the documentation page
+     * string $chapter: chapter of "HTML, one page per chapter" documentation
+     * string $type: type of system variable
+     * string $format: if set to 'byte' it will format the variable
+     * with Util::formatByteDown()
+     *
+     * @return array
+     */
+    private function _getDocumentLinks()
+    {
+        $variable_doc_links = array();
+        $variable_doc_links['auto_increment_increment'] = array(
+            'auto_increment_increment',
+            'replication-options-master',
+            'sysvar');
+        $variable_doc_links['auto_increment_offset'] = array(
+            'auto_increment_offset',
+            'replication-options-master',
+            'sysvar');
+        $variable_doc_links['autocommit'] = array(
+            'autocommit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['automatic_sp_privileges'] = array(
+            'automatic_sp_privileges',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['back_log'] = array(
+            'back_log',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['basedir'] = array(
+            'basedir',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['big_tables'] = array(
+            'big-tables',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['bind_address'] = array(
+            'bind-address',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['binlog_cache_size'] = array(
+            'binlog_cache_size',
+            'replication-options-binary-log',
+            'sysvar',
+            'byte');
+        $variable_doc_links['binlog_checksum'] = array(
+            'binlog_checksum',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_direct_non_transactional_updates'] = array(
+            'binlog_direct_non_transactional_updates',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_format'] = array(
+            'binlog-format',
+            'server-options',
+            'sysvar');
+        $variable_doc_links['binlog_max_flush_queue_time'] = array(
+            'binlog_max_flush_queue_time',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_order_commits'] = array(
+            'binlog_order_commits',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_row_image'] = array(
+            'binlog_row_image',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_rows_query_log_events'] = array(
+            'binlog_rows_query_log_events',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['binlog_stmt_cache_size'] = array(
+            'binlog_stmt_cache_size',
+            'replication-options-binary-log',
+            'sysvar',
+            'byte');
+        $variable_doc_links['block_encryption_mode'] = array(
+            'block_encryption_mode',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['bulk_insert_buffer_size'] = array(
+            'bulk_insert_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['character_set_client'] = array(
+            'character_set_client',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['character_set_connection'] = array(
+            'character_set_connection',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['character_set_database'] = array(
+            'character_set_database',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['character_set_filesystem'] = array(
+            'character-set-filesystem',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['character_set_results'] = array(
+            'character_set_results',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['character_set_server'] = array(
+            'character-set-server',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['character_set_system'] = array(
+            'character_set_system',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['character_sets_dir'] = array(
+            'character-sets-dir',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['collation_connection'] = array(
+            'collation_connection',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['collation_database'] = array(
+            'collation_database',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['collation_server'] = array(
+            'collation-server',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['completion_type'] = array(
+            'completion_type',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['concurrent_insert'] = array(
+            'concurrent_insert',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['connect_timeout'] = array(
+            'connect_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['core_file'] = array(
+            'core_file',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['datadir'] = array(
+            'datadir',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['date_format'] = array(
+            'date_format',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['datetime_format'] = array(
+            'datetime_format',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['debug'] = array(
+            'debug',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['debug_sync'] = array(
+            'debug_sync',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['default_storage_engine'] = array(
+            'default-storage-engine',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['default_tmp_storage_engine'] = array(
+            'default_tmp_storage_engine',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['default_week_format'] = array(
+            'default_week_format',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['delay_key_write'] = array(
+            'delay-key-write',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['delayed_insert_limit'] = array(
+            'delayed_insert_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['delayed_insert_timeout'] = array(
+            'delayed_insert_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['delayed_queue_size'] = array(
+            'delayed_queue_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['disconnect_on_expired_password'] = array(
+            'disconnect_on_expired_password',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['div_precision_increment'] = array(
+            'div_precision_increment',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['end_markers_in_json'] = array(
+            'end_markers_in_json',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['enforce_gtid_consistency'] = array(
+            'enforce_gtid_consistency',
+            'replication-options-gtids',
+            'sysvar');
+        $variable_doc_links['eq_range_index_dive_limit'] = array(
+            'eq_range_index_dive_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['engine_condition_pushdown'] = array(
+            'engine-condition-pushdown',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['error_count'] = array(
+            'error_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['event_scheduler'] = array(
+            'event-scheduler',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['expire_logs_days'] = array(
+            'expire_logs_days',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['explicit_defaults_for_timestamp'] = array(
+            'explicit_defaults_for_timestamp',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['external_user'] = array(
+            'external_user',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['flush'] = array(
+            'flush',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['flush_time'] = array(
+            'flush_time',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['foreign_key_checks'] = array(
+            'foreign_key_checks',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ft_boolean_syntax'] = array(
+            'ft_boolean_syntax',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ft_max_word_len'] = array(
+            'ft_max_word_len',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ft_min_word_len'] = array(
+            'ft_min_word_len',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ft_query_expansion_limit'] = array(
+            'ft_query_expansion_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ft_stopword_file'] = array(
+            'ft_stopword_file',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['general_log'] = array(
+            'general-log',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['general_log_file'] = array(
+            'general_log_file',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['group_concat_max_len'] = array(
+            'group_concat_max_len',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['gtid_executed'] = array(
+            'gtid_executed',
+            'replication-options-gtids',
+            'sysvar');
+        $variable_doc_links['gtid_mode'] = array(
+            'gtid_mode',
+            'replication-options-gtids',
+            'sysvar');
+        $variable_doc_links['gtid_owned'] = array(
+            'gtid_owned',
+            'replication-options-gtids',
+            'sysvar');
+        $variable_doc_links['gtid_purged'] = array(
+            'gtid_purged',
+            'replication-options-gtids',
+            'sysvar');
+        $variable_doc_links['have_compress'] = array(
+            'have_compress',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_crypt'] = array(
+            'have_crypt',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_csv'] = array(
+            'have_csv',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_dynamic_loading'] = array(
+            'have_dynamic_loading',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_geometry'] = array(
+            'have_geometry',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_innodb'] = array(
+            'have_innodb',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_ndbcluster'] = array(
+            'have_ndbcluster',
+            'mysql-cluster-system-variables',
+            'sysvar');
+        $variable_doc_links['have_openssl'] = array(
+            'have_openssl',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_partitioning'] = array(
+            'have_partitioning',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_profiling'] = array(
+            'have_profiling',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_query_cache'] = array(
+            'have_query_cache',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_rtree_keys'] = array(
+            'have_rtree_keys',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_ssl'] = array(
+            'have_ssl',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['have_symlink'] = array(
+            'have_symlink',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['host_cache_size'] = array(
+            'host_cache_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['hostname'] = array(
+            'hostname',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['identity'] = array(
+            'identity',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ignore_builtin_innodb'] = array(
+            'ignore-builtin-innodb',
+            'innodb-parameters',
+            'option_mysqld');
+        $variable_doc_links['ignore_db_dirs'] = array(
+            'ignore_db_dirs',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['init_connect'] = array(
+            'init_connect',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['init_file'] = array(
+            'init-file',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['init_slave'] = array(
+            'init_slave',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['innodb_adaptive_flushing'] = array(
+            'innodb_adaptive_flushing',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_adaptive_flushing_lwm'] = array(
+            'innodb_adaptive_flushing_lwm',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_adaptive_hash_index'] = array(
+            'innodb_adaptive_hash_index',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_adaptive_max_sleep_delay'] = array(
+            'innodb_adaptive_max_sleep_delay',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_additional_mem_pool_size'] = array(
+            'innodb_additional_mem_pool_size',
+            'innodb-parameters',
+            'sysvar',
+            'byte');
+        $variable_doc_links['innodb_api_bk_commit_interval'] = array(
+            'innodb_api_bk_commit_interval',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_api_disable_rowlock'] = array(
+            'innodb_api_disable_rowlock',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_api_enable_binlog'] = array(
+            'innodb_api_enable_binlog',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_api_enable_mdl'] = array(
+            'innodb_api_enable_mdl',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_api_trx_level'] = array(
+            'innodb_api_trx_level',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_autoextend_increment'] = array(
+            'innodb_autoextend_increment',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_autoinc_lock_mode'] = array(
+            'innodb_autoinc_lock_mode',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_dump_at_shutdown'] = array(
+            'innodb_buffer_pool_dump_at_shutdown',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_dump_now'] = array(
+            'innodb_buffer_pool_dump_now',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_filename'] = array(
+            'innodb_buffer_pool_filename',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_instances'] = array(
+            'innodb_buffer_pool_instances',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_load_abort'] = array(
+            'innodb_buffer_pool_load_abort',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_load_at_startup'] = array(
+            'innodb_buffer_pool_load_at_startup',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_load_now'] = array(
+            'innodb_buffer_pool_load_now',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_buffer_pool_size'] = array(
+            'innodb_buffer_pool_size',
+            'innodb-parameters',
+            'sysvar',
+            'byte');
+        $variable_doc_links['innodb_change_buffer_max_size'] = array(
+            'innodb_change_buffer_max_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_change_buffering'] = array(
+            'innodb_change_buffering',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_checksum_algorithm'] = array(
+            'innodb_checksum_algorithm',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_checksums'] = array(
+            'innodb_checksums',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_cmp_per_index_enabled'] = array(
+            'innodb_cmp_per_index_enabled',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_commit_concurrency'] = array(
+            'innodb_commit_concurrency',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_compression_failure_threshold_pct'] = array(
+            'innodb_compression_failure_threshold_pct',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_compression_level'] = array(
+            'innodb_compression_level',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_compression_pad_pct_max'] = array(
+            'innodb_compression_pad_pct_max',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_concurrency_tickets'] = array(
+            'innodb_concurrency_tickets',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_data_file_path'] = array(
+            'innodb_data_file_path',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_data_home_dir'] = array(
+            'innodb_data_home_dir',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_disable_sort_file_cache'] = array(
+            'innodb_disable_sort_file_cache',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_doublewrite'] = array(
+            'innodb_doublewrite',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_fast_shutdown'] = array(
+            'innodb_fast_shutdown',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_file_format'] = array(
+            'innodb_file_format',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_file_format_check'] = array(
+            'innodb_file_format_check',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_file_format_max'] = array(
+            'innodb_file_format_max',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_file_per_table'] = array(
+            'innodb_file_per_table',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_flush_log_at_timeout'] = array(
+            'innodb_flush_log_at_timeout',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_flush_log_at_trx_commit'] = array(
+            'innodb_flush_log_at_trx_commit',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_flush_method'] = array(
+            'innodb_flush_method',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_flush_neighbors'] = array(
+            'innodb_flush_neighbors',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_flushing_avg_loops'] = array(
+            'innodb_flushing_avg_loops',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_force_load_corrupted'] = array(
+            'innodb_force_load_corrupted',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_force_recovery'] = array(
+            'innodb_force_recovery',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_aux_table'] = array(
+            'innodb_ft_aux_table',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_cache_size'] = array(
+            'innodb_ft_cache_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_enable_diag_print'] = array(
+            'innodb_ft_enable_diag_print',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_enable_stopword'] = array(
+            'innodb_ft_enable_stopword',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_max_token_size'] = array(
+            'innodb_ft_max_token_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_min_token_size'] = array(
+            'innodb_ft_min_token_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_num_word_optimize'] = array(
+            'innodb_ft_num_word_optimize',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_result_cache_limit'] = array(
+            'innodb_ft_result_cache_limit',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_server_stopword_table'] = array(
+            'innodb_ft_server_stopword_table',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_sort_pll_degree'] = array(
+            'innodb_ft_sort_pll_degree',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_total_cache_size'] = array(
+            'innodb_ft_total_cache_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_ft_user_stopword_table'] = array(
+            'innodb_ft_user_stopword_table',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_io_capacity'] = array(
+            'innodb_io_capacity',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_io_capacity_max'] = array(
+            'innodb_io_capacity_max',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_large_prefix'] = array(
+            'innodb_large_prefix',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_lock_wait_timeout'] = array(
+            'innodb_lock_wait_timeout',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_locks_unsafe_for_binlog'] = array(
+            'innodb_locks_unsafe_for_binlog',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_log_buffer_size'] = array(
+            'innodb_log_buffer_size',
+            'innodb-parameters',
+            'sysvar',
+            'byte');
+        $variable_doc_links['innodb_log_compressed_pages'] = array(
+            'innodb_log_compressed_pages',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_log_file_size'] = array(
+            'innodb_log_file_size',
+            'innodb-parameters',
+            'sysvar',
+            'byte');
+        $variable_doc_links['innodb_log_files_in_group'] = array(
+            'innodb_log_files_in_group',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_log_group_home_dir'] = array(
+            'innodb_log_group_home_dir',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_lru_scan_depth'] = array(
+            'innodb_lru_scan_depth',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_max_dirty_pages_pct'] = array(
+            'innodb_max_dirty_pages_pct',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_max_dirty_pages_pct_lwm'] = array(
+            'innodb_max_dirty_pages_pct_lwm',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_max_purge_lag'] = array(
+            'innodb_max_purge_lag',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_max_purge_lag_delay'] = array(
+            'innodb_max_purge_lag_delay',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_mirrored_log_groups'] = array(
+            'innodb_mirrored_log_groups',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_monitor_disable'] = array(
+            'innodb_monitor_disable',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_monitor_enable'] = array(
+            'innodb_monitor_enable',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_monitor_reset'] = array(
+            'innodb_monitor_reset',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_monitor_reset_all'] = array(
+            'innodb_monitor_reset_all',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_old_blocks_pct'] = array(
+            'innodb_old_blocks_pct',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_old_blocks_time'] = array(
+            'innodb_old_blocks_time',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_online_alter_log_max_size'] = array(
+            'innodb_online_alter_log_max_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_open_files'] = array(
+            'innodb_open_files',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_optimize_fulltext_only'] = array(
+            'innodb_optimize_fulltext_only',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_page_size'] = array(
+            'innodb_page_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_print_all_deadlocks'] = array(
+            'innodb_print_all_deadlocks',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_purge_batch_size'] = array(
+            'innodb_purge_batch_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_purge_threads'] = array(
+            'innodb_purge_threads',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_random_read_ahead'] = array(
+            'innodb_random_read_ahead',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_read_ahead_threshold'] = array(
+            'innodb_read_ahead_threshold',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_read_io_threads'] = array(
+            'innodb_read_io_threads',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_read_only'] = array(
+            'innodb_read_only',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_replication_delay'] = array(
+            'innodb_replication_delay',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_rollback_on_timeout'] = array(
+            'innodb_rollback_on_timeout',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_rollback_segments'] = array(
+            'innodb_rollback_segments',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_sort_buffer_size'] = array(
+            'innodb_sort_buffer_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_spin_wait_delay'] = array(
+            'innodb_spin_wait_delay',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_auto_recalc'] = array(
+            'innodb_stats_auto_recalc',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_method'] = array(
+            'innodb_stats_method',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_on_metadata'] = array(
+            'innodb_stats_on_metadata',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_persistent'] = array(
+            'innodb_stats_persistent',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_persistent_sample_pages'] = array(
+            'innodb_stats_persistent_sample_pages',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_sample_pages'] = array(
+            'innodb_stats_sample_pages',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_stats_transient_sample_pages'] = array(
+            'innodb_stats_transient_sample_pages',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_status_output'] = array(
+            'innodb_status_output',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_status_output_locks'] = array(
+            'innodb_status_output_locks',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_strict_mode'] = array(
+            'innodb_strict_mode',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_support_xa'] = array(
+            'innodb_support_xa',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_sync_array_size'] = array(
+            'innodb_sync_array_size',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_sync_spin_loops'] = array(
+            'innodb_sync_spin_loops',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_table_locks'] = array(
+            'innodb_table_locks',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_thread_concurrency'] = array(
+            'innodb_thread_concurrency',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_thread_sleep_delay'] = array(
+            'innodb_thread_sleep_delay',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_undo_directory'] = array(
+            'innodb_undo_directory',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_undo_logs'] = array(
+            'innodb_undo_logs',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_undo_tablespaces'] = array(
+            'innodb_undo_tablespaces',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_use_native_aio'] = array(
+            'innodb_use_native_aio',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_use_sys_malloc'] = array(
+            'innodb_use_sys_malloc',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_version'] = array(
+            'innodb_version',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['innodb_write_io_threads'] = array(
+            'innodb_write_io_threads',
+            'innodb-parameters',
+            'sysvar');
+        $variable_doc_links['insert_id'] = array(
+            'insert_id',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['interactive_timeout'] = array(
+            'interactive_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['join_buffer_size'] = array(
+            'join_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['keep_files_on_create'] = array(
+            'keep_files_on_create',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['key_buffer_size'] = array(
+            'key_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['key_cache_age_threshold'] = array(
+            'key_cache_age_threshold',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['key_cache_block_size'] = array(
+            'key_cache_block_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['key_cache_division_limit'] = array(
+            'key_cache_division_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['language'] = array(
+            'language',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['large_files_support'] = array(
+            'large_files_support',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['large_page_size'] = array(
+            'large_page_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['large_pages'] = array(
+            'large-pages',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['last_insert_id'] = array(
+            'last_insert_id',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['lc_messages'] = array(
+            'lc-messages',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['lc_messages_dir'] = array(
+            'lc-messages-dir',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['lc_time_names'] = array(
+            'lc_time_names',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['license'] = array(
+            'license',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['local_infile'] = array(
+            'local_infile',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['lock_wait_timeout'] = array(
+            'lock_wait_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['locked_in_memory'] = array(
+            'locked_in_memory',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['log'] = array(
+            'log',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['log_bin'] = array(
+            'log_bin',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['log-bin'] = array(
+            'log-bin',
+            'replication-options-binary-log',
+            'option_mysqld');
+        $variable_doc_links['log_bin_basename'] = array(
+            'log_bin_basename',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['log_bin_index'] = array(
+            'log_bin_index',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['log_bin_trust_function_creators'] = array(
+            'log-bin-trust-function-creators',
+            'replication-options-binary-log',
+            'option_mysqld');
+        $variable_doc_links['log_bin_use_v1_row_events'] = array(
+            'log_bin_use_v1_row_events',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['log_error'] = array(
+            'log-error',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['log_output'] = array(
+            'log-output',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['log_queries_not_using_indexes'] = array(
+            'log-queries-not-using-indexes',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['log_slave_updates'] = array(
+            'log-slave-updates',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['log_slow_admin_statements'] = array(
+            'log_slow_admin_statements',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['log_slow_slave_statements'] = array(
+            'log_slow_slave_statements',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['log_throttle_queries_not_using_indexes'] = array(
+            'log_throttle_queries_not_using_indexes',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['log_slow_queries'] = array(
+            'log-slow-queries',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['log_warnings'] = array(
+            'log-warnings',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['long_query_time'] = array(
+            'long_query_time',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['low_priority_updates'] = array(
+            'low-priority-updates',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['lower_case_file_system'] = array(
+            'lower_case_file_system',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['lower_case_table_names'] = array(
+            'lower_case_table_names',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['master_info_repository'] = array(
+            'master_info_repository',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['master_verify_checksum'] = array(
+            'master_verify_checksum',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['master-bind'] = array(
+            '',
+            'replication-options',
+            0);
+        $variable_doc_links['max_allowed_packet'] = array(
+            'max_allowed_packet',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_binlog_cache_size'] = array(
+            'max_binlog_cache_size',
+            'replication-options-binary-log',
+            'sysvar',
+            'byte');
+        $variable_doc_links['max_binlog_size'] = array(
+            'max_binlog_size',
+            'replication-options-binary-log',
+            'sysvar',
+            'byte');
+        $variable_doc_links['max_binlog_stmt_cache_size'] = array(
+            'max_binlog_stmt_cache_size',
+            'replication-options-binary-log',
+            'sysvar',
+            'byte');
+        $variable_doc_links['max_connect_errors'] = array(
+            'max_connect_errors',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_connections'] = array(
+            'max_connections',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_delayed_threads'] = array(
+            'max_delayed_threads',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_error_count'] = array(
+            'max_error_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_heap_table_size'] = array(
+            'max_heap_table_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['max_insert_delayed_threads'] = array(
+            'max_insert_delayed_threads',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_join_size'] = array(
+            'max_join_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_length_for_sort_data'] = array(
+            'max_length_for_sort_data',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_long_data_size'] = array(
+            'max_long_data_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_prepared_stmt_count'] = array(
+            'max_prepared_stmt_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_relay_log_size'] = array(
+            'max_relay_log_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['max_seeks_for_key'] = array(
+            'max_seeks_for_key',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_sort_length'] = array(
+            'max_sort_length',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_sp_recursion_depth'] = array(
+            'max_sp_recursion_depth',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_tmp_tables'] = array(
+            'max_tmp_tables',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_user_connections'] = array(
+            'max_user_connections',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['max_write_lock_count'] = array(
+            'max_write_lock_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['metadata_locks_cache_size'] = array(
+            'metadata_locks_cache_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['metadata_locks_hash_instances'] = array(
+            'metadata_locks_hash_instances',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['memlock'] = array(
+            'memlock',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['min_examined_row_limit'] = array(
+            'min-examined-row-limit',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['multi_range_count'] = array(
+            'multi_range_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['myisam_data_pointer_size'] = array(
+            'myisam_data_pointer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['myisam_max_sort_file_size'] = array(
+            'myisam_max_sort_file_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['myisam_mmap_size'] = array(
+            'myisam_mmap_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['myisam_recover_options'] = array(
+            'myisam_recover_options',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['myisam_repair_threads'] = array(
+            'myisam_repair_threads',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['myisam_sort_buffer_size'] = array(
+            'myisam_sort_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['myisam_stats_method'] = array(
+            'myisam_stats_method',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['myisam_use_mmap'] = array(
+            'myisam_use_mmap',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['named_pipe'] = array(
+            'named_pipe',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['net_buffer_length'] = array(
+            'net_buffer_length',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['net_read_timeout'] = array(
+            'net_read_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['net_retry_count'] = array(
+            'net_retry_count',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['net_write_timeout'] = array(
+            'net_write_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['new'] = array(
+            'new',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['old'] = array(
+            'old',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['old_alter_table'] = array(
+            'old-alter-table',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['old_passwords'] = array(
+            'old-passwords',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['open_files_limit'] = array(
+            'open-files-limit',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['optimizer_prune_level'] = array(
+            'optimizer_prune_level',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_search_depth'] = array(
+            'optimizer_search_depth',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_switch'] = array(
+            'optimizer_switch',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_trace'] = array(
+            'optimizer_trace',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_trace_features'] = array(
+            'optimizer_trace_features',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_trace_limit'] = array(
+            'optimizer_trace_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_trace_max_mem_size'] = array(
+            'optimizer_trace_max_mem_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['optimizer_trace_offset'] = array(
+            'optimizer_trace_offset',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['partition'] = array(
+            'partition',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['performance_schema'] = array(
+            'performance_schema',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_accounts_size'] = array(
+            'performance_schema_accounts_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_digests_size'] = array(
+            'performance_schema_digests_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_events_stages_history_long_size']
+            = array(
+                'performance_schema_events_stages_history_long_size',
+                'performance-schema-system-variables',
+                'sysvar',
+            );
+        $variable_doc_links['performance_schema_events_stages_history_size'] = array(
+            'performance_schema_events_stages_history_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_events_statements_history_long_size']
+            = array(
+                'performance_schema_events_statements_history_long_size',
+                'performance-schema-system-variables',
+                'sysvar',
+            );
+        $variable_doc_links['performance_schema_events_statements_history_size'] = array(
+            'performance_schema_events_statements_history_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_events_waits_history_long_size'] = array(
+            'performance_schema_events_waits_history_long_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_events_waits_history_size'] = array(
+            'performance_schema_events_waits_history_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_hosts_size'] = array(
+            'performance_schema_hosts_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_cond_classes'] = array(
+            'performance_schema_max_cond_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_cond_instances'] = array(
+            'performance_schema_max_cond_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_file_classes'] = array(
+            'performance_schema_max_file_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_file_handles'] = array(
+            'performance_schema_max_file_handles',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_file_instances'] = array(
+            'performance_schema_max_file_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_mutex_classes'] = array(
+            'performance_schema_max_mutex_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_mutex_instances'] = array(
+            'performance_schema_max_mutex_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_rwlock_classes'] = array(
+            'performance_schema_max_rwlock_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_rwlock_instances'] = array(
+            'performance_schema_max_rwlock_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_socket_classes'] = array(
+            'performance_schema_max_socket_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_socket_instances'] = array(
+            'performance_schema_max_socket_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_stage_classes'] = array(
+            'performance_schema_max_stage_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_statement_classes'] = array(
+            'performance_schema_max_statement_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_table_handles'] = array(
+            'performance_schema_max_table_handles',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_table_instances'] = array(
+            'performance_schema_max_table_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_thread_classes'] = array(
+            'performance_schema_max_thread_classes',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_max_thread_instances'] = array(
+            'performance_schema_max_thread_instances',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_session_connect_attrs_size'] = array(
+            'performance_schema_session_connect_attrs_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_setup_actors_size'] = array(
+            'performance_schema_setup_actors_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_setup_objects_size'] = array(
+            'performance_schema_setup_objects_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['performance_schema_users_size'] = array(
+            'performance_schema_users_size',
+            'performance-schema-system-variables',
+            'sysvar');
+        $variable_doc_links['pid_file'] = array(
+            'pid-file',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['plugin_dir'] = array(
+            'plugin_dir',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['port'] = array(
+            'port',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['preload_buffer_size'] = array(
+            'preload_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['profiling'] = array(
+            'profiling',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['profiling_history_size'] = array(
+            'profiling_history_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['protocol_version'] = array(
+            'protocol_version',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['proxy_user'] = array(
+            'proxy_user',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['pseudo_thread_id'] = array(
+            'pseudo_thread_id',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['query_alloc_block_size'] = array(
+            'query_alloc_block_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['query_cache_limit'] = array(
+            'query_cache_limit',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['query_cache_min_res_unit'] = array(
+            'query_cache_min_res_unit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['query_cache_size'] = array(
+            'query_cache_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['query_cache_type'] = array(
+            'query_cache_type',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['query_cache_wlock_invalidate'] = array(
+            'query_cache_wlock_invalidate',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['query_prealloc_size'] = array(
+            'query_prealloc_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['rand_seed1'] = array(
+            'rand_seed1',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rand_seed2'] = array(
+            'rand_seed2',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['range_alloc_block_size'] = array(
+            'range_alloc_block_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['read_buffer_size'] = array(
+            'read_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['read_only'] = array(
+            'read_only',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['read_rnd_buffer_size'] = array(
+            'read_rnd_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['relay_log'] = array(
+            'relay_log',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay_log_basename'] = array(
+            'relay_log_basename',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay-log-index'] = array(
+            'relay-log-index',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['relay_log_index'] = array(
+            'relay_log_index',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay_log_info_file'] = array(
+            'relay_log_info_file',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay_log_info_repository'] = array(
+            'relay_log_info_repository',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay_log_purge'] = array(
+            'relay_log_purge',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['relay_log_recovery'] = array(
+            'relay_log_recovery',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['relay_log_space_limit'] = array(
+            'relay_log_space_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['report_host'] = array(
+            'report-host',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['report_password'] = array(
+            'report-password',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['report_port'] = array(
+            'report-port',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['report_user'] = array(
+            'report-user',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['rpl_stop_slave_timeout'] = array(
+            'rpl_stop_slave_timeout',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['rpl_recovery_rank'] = array(
+            'rpl_recovery_rank',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['rpl_semi_sync_master_enabled'] = array(
+            'rpl_semi_sync_master_enabled',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rpl_semi_sync_master_timeout'] = array(
+            'rpl_semi_sync_master_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rpl_semi_sync_master_trace_level'] = array(
+            'rpl_semi_sync_master_trace_level',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rpl_semi_sync_master_wait_no_slave'] = array(
+            'rpl_semi_sync_master_wait_no_slave',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rpl_semi_sync_slave_enabled'] = array(
+            'rpl_semi_sync_slave_enabled',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['rpl_semi_sync_slave_trace_level'] = array(
+            'rpl_semi_sync_slave_trace_level',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['safe_show_database'] = array(
+            'safe-show-database',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['secure_auth'] = array(
+            'secure-auth',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['secure_file_priv'] = array(
+            'secure-file-priv',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['server_id'] = array(
+            'server-id',
+            'replication-options',
+            'option_mysqld');
+        $variable_doc_links['server_id_bits'] = array(
+            'server_id_bits',
+            'mysql-cluster-system-variables',
+            'sysvar');
+        $variable_doc_links['server_uuid'] = array(
+            'server_uuid',
+            'replication-options',
+            'sysvar');
+        $variable_doc_links['shared_memory'] = array(
+            'shared_memory',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['shared_memory_base_name'] = array(
+            'shared_memory_base_name',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['skip_external_locking'] = array(
+            'skip-external-locking',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['skip_name_resolve'] = array(
+            'skip-name-resolve',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['skip_networking'] = array(
+            'skip-networking',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['skip_show_database'] = array(
+            'skip-show-database',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['slave_allow_batching'] = array(
+            'slave_allow_batching',
+            'mysql-cluster-system-variables',
+            'sysvar');
+        $variable_doc_links['slave_checkpoint_group'] = array(
+            'slave_checkpoint_group',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_checkpoint_period'] = array(
+            'slave_checkpoint_period',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_compressed_protocol'] = array(
+            'slave_compressed_protocol',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_exec_mode'] = array(
+            'slave_exec_mode',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_load_tmpdir'] = array(
+            'slave-load-tmpdir',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['slave_max_allowed_packet'] = array(
+            'slave_max_allowed_packet',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_net_timeout'] = array(
+            'slave-net-timeout',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['slave_parallel_workers'] = array(
+            'slave_parallel_workers',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_pending_jobs_size_max'] = array(
+            'slave_pending_jobs_size_max',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_rows_search_algorithms'] = array(
+            'slave_rows_search_algorithms',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_skip_errors'] = array(
+            'slave-skip-errors',
+            'replication-options-slave',
+            'option_mysqld');
+        $variable_doc_links['slave_sql_verify_checksum'] = array(
+            'slave_sql_verify_checksum',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_transaction_retries'] = array(
+            'slave_transaction_retries',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slave_type_conversions'] = array(
+            'slave_type_conversions',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['slow_launch_time'] = array(
+            'slow_launch_time',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['slow_query_log'] = array(
+            'slow-query-log',
+            'server-options',
+            'server-system-variables');
+        $variable_doc_links['slow_query_log_file'] = array(
+            'slow_query_log_file',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['socket'] = array(
+            'socket',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['sort_buffer_size'] = array(
+            'sort_buffer_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['sql_auto_is_null'] = array(
+            'sql_auto_is_null',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_big_selects'] = array(
+            'sql_big_selects',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_big_tables'] = array(
+            'big-tables',
+            'server-options',
+            'server-system-variables');
+        $variable_doc_links['sql_buffer_result'] = array(
+            'sql_buffer_result',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_log_bin'] = array(
+            'sql_log_bin',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_log_off'] = array(
+            'sql_log_off',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_log_update'] = array(
+            'sql_log_update',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_low_priority_updates'] = array(
+            'sql_low_priority_updates',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_max_join_size'] = array(
+            'sql_max_join_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_mode'] = array(
+            'sql-mode',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['sql_notes'] = array(
+            'sql_notes',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_quote_show_create'] = array(
+            'sql_quote_show_create',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_safe_updates'] = array(
+            'sql_safe_updates',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_select_limit'] = array(
+            'sql_select_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sql_slave_skip_counter'] = array(
+            'sql_slave_skip_counter',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['sql_warnings'] = array(
+            'sql_warnings',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ssl_ca'] = array(
+            'ssl-ca',
+            'ssl-options',
+            'option_general');
+        $variable_doc_links['ssl_capath'] = array(
+            'ssl-capath',
+            'ssl-options',
+            'option_general');
+        $variable_doc_links['ssl_cert'] = array(
+            'ssl-cert',
+            'ssl-options',
+            'option_general');
+        $variable_doc_links['ssl_cipher'] = array(
+            'ssl-cipher',
+            'ssl-options',
+            'option_general');
+        $variable_doc_links['ssl_crl'] = array(
+            'ssl_crl',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ssl_crlpath'] = array(
+            'ssl_crlpath',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['ssl_key'] = array(
+            'ssl-key',
+            'ssl-options',
+            'option_general');
+        $variable_doc_links['storage_engine'] = array(
+            'storage_engine',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['stored_program_cache'] = array(
+            'stored_program_cache',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sync_binlog'] = array(
+            'sync_binlog',
+            'replication-options-binary-log',
+            'sysvar');
+        $variable_doc_links['sync_frm'] = array(
+            'sync_frm',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['sync_master_info'] = array(
+            'sync_master_info',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['sync_relay_log'] = array(
+            'sync_relay_log',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['sync_relay_log_info'] = array(
+            'sync_relay_log_info',
+            'replication-options-slave',
+            'sysvar');
+        $variable_doc_links['system_time_zone'] = array(
+            'system_time_zone',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['table_definition_cache'] = array(
+            'table_definition_cache',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['table_lock_wait_timeout'] = array(
+            'table_lock_wait_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['table_open_cache'] = array(
+            'table_open_cache',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['table_open_cache_instances'] = array(
+            'table_open_cache_instances',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['table_type'] = array(
+            'table_type',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['thread_cache_size'] = array(
+            'thread_cache_size',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['thread_concurrency'] = array(
+            'thread_concurrency',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['thread_handling'] = array(
+            'thread_handling',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['thread_stack'] = array(
+            'thread_stack',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['time_format'] = array(
+            'time_format',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['time_zone'] = array(
+            'time_zone',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['timed_mutexes'] = array(
+            'timed_mutexes',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['timestamp'] = array(
+            'timestamp',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['tmp_table_size'] = array(
+            'tmp_table_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['tmpdir'] = array(
+            'tmpdir',
+            'server-options',
+            'option_mysqld');
+        $variable_doc_links['transaction_alloc_block_size'] = array(
+            'transaction_alloc_block_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['transaction_prealloc_size'] = array(
+            'transaction_prealloc_size',
+            'server-system-variables',
+            'sysvar',
+            'byte');
+        $variable_doc_links['tx_isolation'] = array(
+            'tx_isolation',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['tx_read_only'] = array(
+            'tx_read_only',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['unique_checks'] = array(
+            'unique_checks',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['updatable_views_with_limit'] = array(
+            'updatable_views_with_limit',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['version'] = array(
+            'version',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['version_comment'] = array(
+            'version_comment',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['version_compile_machine'] = array(
+            'version_compile_machine',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['version_compile_os'] = array(
+            'version_compile_os',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['wait_timeout'] = array(
+            'wait_timeout',
+            'server-system-variables',
+            'sysvar');
+        $variable_doc_links['warning_count'] = array(
+            'warning_count',
+            'server-system-variables',
+            'sysvar');
+        return $variable_doc_links;
+    }
+
+    /**
+     * Returns array of static system variables (i.e. read-only)
+     *
+     * @return array
+     */
+    private function _getStaticSystemVariables()
+    {
+        $static_variables = array(
+            'back_log',
+            'basedir',
+            'bind_address',
+            'binlog_row_image',
+            'character_set_system',
+            'character_sets_dir',
+            'core_file',
+            'datadir',
+            'date_format',
+            'datetime_format',
+            'disconnect_on_expired_password',
+            'engine_condition_pushdown',
+            'error_count',
+            'explicit_defaults_for_timestamp',
+            'external_user',
+            'ft_max_word_len',
+            'ft_min_word_len',
+            'ft_query_expansion_limit',
+            'ft_stopword_file',
+            'gtid_executed',
+            'gtid_owned',
+            'have_compress',
+            'have_crypt',
+            'have_csv',
+            'have_dynamic_loading',
+            'have_geometry',
+            'have_innodb',
+            'have_ndbcluster',
+            'have_openssl',
+            'have_partitioning',
+            'have_profiling',
+            'have_query_cache',
+            'have_rtree_keys',
+            'have_ssl',
+            'have_symlink',
+            'hostname',
+            'ignore_builtin_innodb',
+            'ignore_db_dirs',
+            'init_file',
+            'innodb_additional_mem_pool_size',
+            'innodb_api_disable_rowlock',
+            'innodb_api_enable_binlog',
+            'innodb_api_enable_mdl',
+            'innodb_autoinc_lock_mode',
+            'innodb_buffer_pool_instances',
+            'innodb_buffer_pool_load_at_startup',
+            'innodb_checksums',
+            'innodb_data_file_path',
+            'innodb_data_home_dir',
+            'innodb_doublewrite',
+            'innodb_file_format_check',
+            'innodb_flush_method',
+            'innodb_force_load_corrupted',
+            'innodb_force_recovery',
+            'innodb_ft_cache_size',
+            'innodb_ft_max_token_size',
+            'innodb_ft_min_token_size',
+            'innodb_ft_sort_pll_degree',
+            'innodb_ft_total_cache_size',
+            'innodb_locks_unsafe_for_binlog',
+            'innodb_log_buffer_size',
+            'innodb_log_file_size',
+            'innodb_log_files_in_group',
+            'innodb_log_group_home_dir',
+            'innodb_mirrored_log_groups',
+            'innodb_open_files',
+            'innodb_page_size',
+            'innodb_purge_threads',
+            'innodb_read_io_threads',
+            'innodb_read_only',
+            'innodb_rollback_on_timeout',
+            'innodb_sort_buffer_size',
+            'innodb_sync_array_size',
+            'innodb_undo_directory',
+            'innodb_undo_tablespaces',
+            'innodb_use_native_aio',
+            'innodb_use_sys_malloc',
+            'innodb_version',
+            'innodb_write_io_threads',
+            'language',
+            'large_files_support',
+            'large_page_size',
+            'large_pages',
+            'lc_messages_dir',
+            'license',
+            'locked_in_memory',
+            'log',
+            'log_bin',
+            'log-bin',
+            'log_bin_basename',
+            'log_bin_index',
+            'log_bin_use_v1_row_events',
+            'log_error',
+            'log_slave_updates',
+            'log_slow_queries',
+            'lower_case_file_system',
+            'lower_case_table_names',
+            'master-bind',
+            'max_long_data_size',
+            'max_tmp_tables',
+            'metadata_locks_cache_size',
+            'metadata_locks_hash_instances',
+            'memlock',
+            'multi_range_count',
+            'myisam_mmap_size',
+            'myisam_recover_options',
+            'named_pipe',
+            'old',
+            'open_files_limit',
+            'partition',
+            'performance_schema',
+            'performance_schema_accounts_size',
+            'performance_schema_digests_size',
+            'performance_schema_events_stages_history_long_size',
+            'performance_schema_events_stages_history_size',
+            'performance_schema_events_statements_history_long_size',
+            'performance_schema_events_statements_history_size',
+            'performance_schema_events_waits_history_long_size',
+            'performance_schema_events_waits_history_size',
+            'performance_schema_hosts_size',
+            'performance_schema_max_cond_classes',
+            'performance_schema_max_cond_instances',
+            'performance_schema_max_file_classes',
+            'performance_schema_max_file_handles',
+            'performance_schema_max_file_instances',
+            'performance_schema_max_mutex_classes',
+            'performance_schema_max_mutex_instances',
+            'performance_schema_max_rwlock_classes',
+            'performance_schema_max_rwlock_instances',
+            'performance_schema_max_socket_classes',
+            'performance_schema_max_socket_instances',
+            'performance_schema_max_stage_classes',
+            'performance_schema_max_statement_classes',
+            'performance_schema_max_table_handles',
+            'performance_schema_max_table_instances',
+            'performance_schema_max_thread_classes',
+            'performance_schema_max_thread_instances',
+            'performance_schema_session_connect_attrs_size',
+            'performance_schema_setup_actors_size',
+            'performance_schema_setup_objects_size',
+            'performance_schema_users_size',
+            'pid_file',
+            'plugin_dir',
+            'port',
+            'protocol_version',
+            'proxy_user',
+            'relay_log',
+            'relay_log_basename',
+            'relay-log-index',
+            'relay_log_index',
+            'relay_log_info_file',
+            'relay_log_recovery',
+            'relay_log_space_limit',
+            'report_host',
+            'report_password',
+            'report_port',
+            'report_user',
+            'rpl_recovery_rank',
+            'safe_show_database',
+            'secure_file_priv',
+            'server_id_bits',
+            'server_uuid',
+            'shared_memory',
+            'shared_memory_base_name',
+            'skip_external_locking',
+            'skip_name_resolve',
+            'skip_networking',
+            'skip_show_database',
+            'slave_checkpoint_group',
+            'slave_checkpoint_period',
+            'slave_load_tmpdir',
+            'slave_rows_search_algorithms',
+            'slave_skip_errors',
+            'slave_type_conversions',
+            'socket',
+            'sql_big_tables',
+            'sql_log_update',
+            'sql_low_priority_updates',
+            'sql_max_join_size',
+            'ssl_ca',
+            'ssl_capath',
+            'ssl_cert',
+            'ssl_cipher',
+            'ssl_crl',
+            'ssl_crlpath',
+            'ssl_key',
+            'system_time_zone',
+            'table_lock_wait_timeout',
+            'table_open_cache_instances',
+            'table_type',
+            'thread_concurrency',
+            'thread_handling',
+            'thread_stack',
+            'time_format',
+            'tmpdir',
+            'version',
+            'version_comment',
+            'version_compile_machine',
+            'version_compile_os',
+            'warning_count',
+        );
+
+        return $static_variables;
+    }
+}
\ No newline at end of file
diff --git a/libraries/server_variables.lib.php b/libraries/server_variables.lib.php
deleted file mode 100644
index 418d16dfcd..0000000000
--- a/libraries/server_variables.lib.php
+++ /dev/null
@@ -1,2463 +0,0 @@
-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-
-/**
- * functions for displaying server variables
- *
- * @usedby  server_variables.php
- *
- * @package PhpMyAdmin
- */
-if (! defined('PHPMYADMIN')) {
-    exit;
-}
-
-/**
- * Get Ajax return when $_REQUEST['type'] === 'getval'
- *
- * @param Array $variable_doc_links documentation links
- *
- * @return null
- */
-function PMA_getAjaxReturnForGetVal($variable_doc_links)
-{
-    $response = PMA\libraries\Response::getInstance();
-
-    // Send with correct charset
-    header('Content-Type: text/html; charset=UTF-8');
-    // Do not use double quotes inside the query to avoid a problem
-    // when server is running in ANSI_QUOTES sql_mode
-    $varValue = $GLOBALS['dbi']->fetchSingleRow(
-        'SHOW GLOBAL VARIABLES WHERE Variable_name=\''
-        . PMA\libraries\Util::sqlAddSlashes($_REQUEST['varName']) . '\';',
-        'NUM'
-    );
-    if (isset($variable_doc_links[$_REQUEST['varName']][3])
-        && $variable_doc_links[$_REQUEST['varName']][3] == 'byte'
-    ) {
-        $response->addJSON(
-            'message',
-            implode(
-                ' ', PMA\libraries\Util::formatByteDown($varValue[1], 3, 3)
-            )
-        );
-    } else {
-        $response->addJSON(
-            'message',
-            $varValue[1]
-        );
-    }
-}
-/**
- * Get Ajax return when $_REQUEST['type'] === 'setval'
- *
- * @param Array $variable_doc_links documentation links
- *
- * @return null
- */
-function PMA_getAjaxReturnForSetVal($variable_doc_links)
-{
-    $response = PMA\libraries\Response::getInstance();
-
-    $value = $_REQUEST['varValue'];
-    $matches = array();
-
-    if (isset($variable_doc_links[$_REQUEST['varName']][3])
-        && $variable_doc_links[$_REQUEST['varName']][3] == 'byte'
-        && preg_match(
-            '/^\s*(\d+(\.\d+)?)\s*(mb|kb|mib|kib|gb|gib)\s*$/i',
-            $value,
-            $matches
-        )
-    ) {
-        $exp = array(
-            'kb' => 1,
-            'kib' => 1,
-            'mb' => 2,
-            'mib' => 2,
-            'gb' => 3,
-            'gib' => 3
-        );
-        $value = floatval($matches[1]) * PMA\libraries\Util::pow(
-            1024,
-            $exp[/*overload*/mb_strtolower($matches[3])]
-        );
-    } else {
-        $value = PMA\libraries\Util::sqlAddSlashes($value);
-    }
-
-    if (! is_numeric($value)) {
-        $value="'" . $value . "'";
-    }
-
-    if (! preg_match("/[^a-zA-Z0-9_]+/", $_REQUEST['varName'])
-        && $GLOBALS['dbi']->query(
-            'SET GLOBAL ' . $_REQUEST['varName'] . ' = ' . $value
-        )
-    ) {
-        // Some values are rounded down etc.
-        $varValue = $GLOBALS['dbi']->fetchSingleRow(
-            'SHOW GLOBAL VARIABLES WHERE Variable_name="'
-            . PMA\libraries\Util::sqlAddSlashes($_REQUEST['varName'])
-            . '";', 'NUM'
-        );
-        $response->addJSON(
-            'variable',
-            PMA_formatVariable(
-                $_REQUEST['varName'],
-                $varValue[1],
-                $variable_doc_links
-            )
-        );
-    } else {
-        $response->setRequestStatus(false);
-        $response->addJSON(
-            'error',
-            __('Setting variable failed')
-        );
-    }
-}
-
-/**
- * Format Variable
- *
- * @param string $name               variable name
- * @param number $value              variable value
- * @param array  $variable_doc_links documentation links
- *
- * @return string formatted string
- */
-function PMA_formatVariable($name, $value, $variable_doc_links)
-{
-    if (is_numeric($value)) {
-        if (isset($variable_doc_links[$name][3])
-            && $variable_doc_links[$name][3]=='byte'
-        ) {
-            return '<abbr title="'
-                . PMA\libraries\Util::formatNumber($value, 0) . '">'
-                . implode(' ', PMA\libraries\Util::formatByteDown($value, 3, 3))
-                . '</abbr>';
-        } else {
-            return PMA\libraries\Util::formatNumber($value, 0);
-        }
-    }
-    return htmlspecialchars($value);
-}
-
-/**
- * Prints link templates
- *
- * @return string
- */
-function PMA_getHtmlForLinkTemplates()
-{
-    $url = 'server_variables.php' . PMA_URL_getCommon();
-    $output  = '<a style="display: none;" href="'
-        . $url . '" class="ajax saveLink">';
-    $output .= PMA\libraries\Util::getIcon('b_save.png', __('Save')) . '</a> ';
-    $output .= '<a style="display: none;" href="#" class="cancelLink">';
-    $output .= PMA\libraries\Util::getIcon('b_close.png', __('Cancel')) . '</a> ';
-    $output .= PMA\libraries\Util::getImage(
-        'b_help.png',
-        __('Documentation'),
-        array('style' => 'display:none', 'id' => 'docImage')
-    );
-    return $output;
-}
-
-/**
- * Prints Html for Server Variables
- *
- * @param Array $variable_doc_links documentation links
- * @param Array $serverVars         global variables
- * @param Array $serverVarsSession  session variables
- *
- * @return string
- */
-function PMA_getHtmlForServerVariables(
-    $variable_doc_links, $serverVars, $serverVarsSession
-) {
-    $value = ! empty($_REQUEST['filter'])
-        ? htmlspecialchars($_REQUEST['filter'])
-        : '';
-    $output = '<fieldset id="tableFilter">'
-        . '<legend>' . __('Filters') . '</legend>'
-        . '<div class="formelement">'
-        . '<label for="filterText">' .  __('Containing the word:') . '</label>'
-        . '<input name="filterText" type="text" id="filterText"'
-        . ' style="vertical-align: baseline;" value="' . $value . '" />'
-        . '</div>'
-        . '</fieldset>';
-
-    $output .= '<table id="serverVariables" class="data filteredData noclick">'
-        . '<thead><tr class="var-header var-row">'
-        . '<td class="var-action">' . __('Action') . '</td>'
-        . '<td class="var-name">' .  __('Variable') . '</td>'
-        . '<td class="var-value">'
-        . __('Session value') . ' / ' . __('Global value')
-        . '</td>'
-        . '</tr>'
-        . '</thead>';
-
-    $output .= PMA_getHtmlForServerVariablesItems(
-        $variable_doc_links, $serverVars, $serverVarsSession
-    );
-
-    $output .= '</table>';
-
-    return $output;
-}
-
-
-/**
- * Prints Html for Server Variables Items
- *
- * @param Array $variable_doc_links documentation links
- * @param Array $serverVars         global variables
- * @param Array $serverVarsSession  session variables
- *
- * @return string
- */
-function PMA_getHtmlForServerVariablesItems(
-    $variable_doc_links, $serverVars, $serverVarsSession
-) {
-    // list of static system variables
-    $static_variables = PMA_getStaticSystemVariables();
-
-    $output = '<tbody>';
-    $odd_row = true;
-    foreach ($serverVars as $name => $value) {
-        $has_session_value = isset($serverVarsSession[$name])
-            && $serverVarsSession[$name] != $value;
-        $row_class = ($odd_row ? ' odd' : ' even')
-            . ($has_session_value ? ' diffSession' : '');
-
-        $output .= '<tr class="var-row' . $row_class . '">';
-
-        $output .= '<td class="var-action">';
-
-        // Edit Link active only for Dynamic System variables
-        if (! in_array(strtolower($name), $static_variables)) {
-            $output .= '<a href="#" class="editLink">'
-                . PMA\libraries\Util::getIcon('b_edit.png', __('Edit')) . '</a>';
-        } else {
-            $output .= '<span title="'
-                . __('This is a read-only variable and can not be edited')
-                . '" class="read_only_var" >'
-                . PMA\libraries\Util::getIcon('bd_edit.png', __('Edit'))
-                . '</span>';
-        }
-
-        $output .= '</td>';
-
-        $output .= '<td class="var-name">';
-        // To display variable documentation link
-        if (isset($variable_doc_links[$name])) {
-            $output .= '<span title="'
-                . htmlspecialchars(str_replace('_', ' ', $name)) . '">';
-            $output .= PMA\libraries\Util::showMySQLDocu(
-                $variable_doc_links[$name][1],
-                false,
-                $variable_doc_links[$name][2] . '_' . $variable_doc_links[$name][0],
-                true
-            );
-            $output .= htmlspecialchars(str_replace('_', ' ', $name));
-            $output .= '</a>';
-            $output .= '</span>';
-        } else {
-            $output .= htmlspecialchars(str_replace('_', ' ', $name));
-        }
-        $output .= '</td>';
-
-        $output .= '<td class="var-value value'
-            . ($GLOBALS['dbi']->isSuperuser() ? ' editable' : '') . '">&nbsp;'
-            . PMA_formatVariable($name, $value, $variable_doc_links)
-            . '</td>'
-            . '</tr>';
-
-        if ($has_session_value) {
-            $output .= '<tr class="var-row' . ($odd_row ? ' odd' : ' even') . '">'
-                . '<td class="var-action"></td>'
-                . '<td class="var-name session">(' . __('Session value') . ')</td>'
-                . '<td class="var-value value">&nbsp;'
-                . PMA_formatVariable(
-                    $name,
-                    $serverVarsSession[$name],
-                    $variable_doc_links
-                ) . '</td>'
-                . '</tr>';
-        }
-
-        $odd_row = ! $odd_row;
-    }
-    $output .= '</tbody>';
-
-    return $output;
-}
-
-/**
- * Returns Array of documentation links
- *
- * $variable_doc_links[string $name] = array(
- *    string $name,
- *    string $anchor,
- *    string $chapter,
- *    string $type,
- *    string $format);
- * string $name: name of the system variable
- * string $anchor: anchor to the documentation page
- * string $chapter: chapter of "HTML, one page per chapter" documentation
- * string $type: type of system variable
- * string $format: if set to 'byte' it will format the variable
- * with PMA\libraries\Util::formatByteDown()
- *
- * @return array
- */
-function PMA_getArrayForDocumentLinks()
-{
-    $variable_doc_links = array();
-    $variable_doc_links['auto_increment_increment'] = array(
-        'auto_increment_increment',
-        'replication-options-master',
-        'sysvar');
-    $variable_doc_links['auto_increment_offset'] = array(
-        'auto_increment_offset',
-        'replication-options-master',
-        'sysvar');
-    $variable_doc_links['autocommit'] = array(
-        'autocommit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['automatic_sp_privileges'] = array(
-        'automatic_sp_privileges',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['back_log'] = array(
-        'back_log',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['basedir'] = array(
-        'basedir',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['big_tables'] = array(
-        'big-tables',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['bind_address'] = array(
-        'bind-address',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['binlog_cache_size'] = array(
-        'binlog_cache_size',
-        'replication-options-binary-log',
-        'sysvar',
-        'byte');
-    $variable_doc_links['binlog_checksum'] = array(
-        'binlog_checksum',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_direct_non_transactional_updates'] = array(
-        'binlog_direct_non_transactional_updates',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_format'] = array(
-        'binlog-format',
-        'server-options',
-        'sysvar');
-    $variable_doc_links['binlog_max_flush_queue_time'] = array(
-        'binlog_max_flush_queue_time',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_order_commits'] = array(
-        'binlog_order_commits',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_row_image'] = array(
-        'binlog_row_image',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_rows_query_log_events'] = array(
-        'binlog_rows_query_log_events',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['binlog_stmt_cache_size'] = array(
-        'binlog_stmt_cache_size',
-        'replication-options-binary-log',
-        'sysvar',
-        'byte');
-    $variable_doc_links['block_encryption_mode'] = array(
-        'block_encryption_mode',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['bulk_insert_buffer_size'] = array(
-        'bulk_insert_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['character_set_client'] = array(
-        'character_set_client',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['character_set_connection'] = array(
-        'character_set_connection',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['character_set_database'] = array(
-        'character_set_database',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['character_set_filesystem'] = array(
-        'character-set-filesystem',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['character_set_results'] = array(
-        'character_set_results',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['character_set_server'] = array(
-        'character-set-server',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['character_set_system'] = array(
-        'character_set_system',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['character_sets_dir'] = array(
-        'character-sets-dir',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['collation_connection'] = array(
-        'collation_connection',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['collation_database'] = array(
-        'collation_database',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['collation_server'] = array(
-        'collation-server',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['completion_type'] = array(
-        'completion_type',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['concurrent_insert'] = array(
-        'concurrent_insert',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['connect_timeout'] = array(
-        'connect_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['core_file'] = array(
-        'core_file',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['datadir'] = array(
-        'datadir',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['date_format'] = array(
-        'date_format',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['datetime_format'] = array(
-        'datetime_format',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['debug'] = array(
-        'debug',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['debug_sync'] = array(
-        'debug_sync',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['default_storage_engine'] = array(
-        'default-storage-engine',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['default_tmp_storage_engine'] = array(
-        'default_tmp_storage_engine',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['default_week_format'] = array(
-        'default_week_format',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['delay_key_write'] = array(
-        'delay-key-write',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['delayed_insert_limit'] = array(
-        'delayed_insert_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['delayed_insert_timeout'] = array(
-        'delayed_insert_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['delayed_queue_size'] = array(
-        'delayed_queue_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['disconnect_on_expired_password'] = array(
-        'disconnect_on_expired_password',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['div_precision_increment'] = array(
-        'div_precision_increment',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['end_markers_in_json'] = array(
-        'end_markers_in_json',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['enforce_gtid_consistency'] = array(
-        'enforce_gtid_consistency',
-        'replication-options-gtids',
-        'sysvar');
-    $variable_doc_links['eq_range_index_dive_limit'] = array(
-        'eq_range_index_dive_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['engine_condition_pushdown'] = array(
-        'engine-condition-pushdown',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['error_count'] = array(
-        'error_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['event_scheduler'] = array(
-        'event-scheduler',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['expire_logs_days'] = array(
-        'expire_logs_days',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['explicit_defaults_for_timestamp'] = array(
-        'explicit_defaults_for_timestamp',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['external_user'] = array(
-        'external_user',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['flush'] = array(
-        'flush',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['flush_time'] = array(
-        'flush_time',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['foreign_key_checks'] = array(
-        'foreign_key_checks',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ft_boolean_syntax'] = array(
-        'ft_boolean_syntax',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ft_max_word_len'] = array(
-        'ft_max_word_len',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ft_min_word_len'] = array(
-        'ft_min_word_len',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ft_query_expansion_limit'] = array(
-        'ft_query_expansion_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ft_stopword_file'] = array(
-        'ft_stopword_file',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['general_log'] = array(
-        'general-log',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['general_log_file'] = array(
-        'general_log_file',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['group_concat_max_len'] = array(
-        'group_concat_max_len',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['gtid_executed'] = array(
-        'gtid_executed',
-        'replication-options-gtids',
-        'sysvar');
-    $variable_doc_links['gtid_mode'] = array(
-        'gtid_mode',
-        'replication-options-gtids',
-        'sysvar');
-    $variable_doc_links['gtid_owned'] = array(
-        'gtid_owned',
-        'replication-options-gtids',
-        'sysvar');
-    $variable_doc_links['gtid_purged'] = array(
-        'gtid_purged',
-        'replication-options-gtids',
-        'sysvar');
-    $variable_doc_links['have_compress'] = array(
-        'have_compress',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_crypt'] = array(
-        'have_crypt',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_csv'] = array(
-        'have_csv',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_dynamic_loading'] = array(
-        'have_dynamic_loading',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_geometry'] = array(
-        'have_geometry',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_innodb'] = array(
-        'have_innodb',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_ndbcluster'] = array(
-        'have_ndbcluster',
-        'mysql-cluster-system-variables',
-        'sysvar');
-    $variable_doc_links['have_openssl'] = array(
-        'have_openssl',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_partitioning'] = array(
-        'have_partitioning',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_profiling'] = array(
-        'have_profiling',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_query_cache'] = array(
-        'have_query_cache',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_rtree_keys'] = array(
-        'have_rtree_keys',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_ssl'] = array(
-        'have_ssl',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['have_symlink'] = array(
-        'have_symlink',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['host_cache_size'] = array(
-        'host_cache_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['hostname'] = array(
-        'hostname',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['identity'] = array(
-        'identity',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ignore_builtin_innodb'] = array(
-        'ignore-builtin-innodb',
-        'innodb-parameters',
-        'option_mysqld');
-    $variable_doc_links['ignore_db_dirs'] = array(
-        'ignore_db_dirs',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['init_connect'] = array(
-        'init_connect',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['init_file'] = array(
-        'init-file',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['init_slave'] = array(
-        'init_slave',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['innodb_adaptive_flushing'] = array(
-        'innodb_adaptive_flushing',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_adaptive_flushing_lwm'] = array(
-        'innodb_adaptive_flushing_lwm',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_adaptive_hash_index'] = array(
-        'innodb_adaptive_hash_index',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_adaptive_max_sleep_delay'] = array(
-        'innodb_adaptive_max_sleep_delay',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_additional_mem_pool_size'] = array(
-        'innodb_additional_mem_pool_size',
-        'innodb-parameters',
-        'sysvar',
-        'byte');
-    $variable_doc_links['innodb_api_bk_commit_interval'] = array(
-        'innodb_api_bk_commit_interval',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_api_disable_rowlock'] = array(
-        'innodb_api_disable_rowlock',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_api_enable_binlog'] = array(
-        'innodb_api_enable_binlog',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_api_enable_mdl'] = array(
-        'innodb_api_enable_mdl',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_api_trx_level'] = array(
-        'innodb_api_trx_level',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_autoextend_increment'] = array(
-        'innodb_autoextend_increment',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_autoinc_lock_mode'] = array(
-        'innodb_autoinc_lock_mode',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_dump_at_shutdown'] = array(
-        'innodb_buffer_pool_dump_at_shutdown',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_dump_now'] = array(
-        'innodb_buffer_pool_dump_now',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_filename'] = array(
-        'innodb_buffer_pool_filename',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_instances'] = array(
-        'innodb_buffer_pool_instances',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_load_abort'] = array(
-        'innodb_buffer_pool_load_abort',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_load_at_startup'] = array(
-        'innodb_buffer_pool_load_at_startup',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_load_now'] = array(
-        'innodb_buffer_pool_load_now',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_buffer_pool_size'] = array(
-        'innodb_buffer_pool_size',
-        'innodb-parameters',
-        'sysvar',
-        'byte');
-    $variable_doc_links['innodb_change_buffer_max_size'] = array(
-        'innodb_change_buffer_max_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_change_buffering'] = array(
-        'innodb_change_buffering',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_checksum_algorithm'] = array(
-        'innodb_checksum_algorithm',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_checksums'] = array(
-        'innodb_checksums',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_cmp_per_index_enabled'] = array(
-        'innodb_cmp_per_index_enabled',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_commit_concurrency'] = array(
-        'innodb_commit_concurrency',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_compression_failure_threshold_pct'] = array(
-        'innodb_compression_failure_threshold_pct',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_compression_level'] = array(
-        'innodb_compression_level',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_compression_pad_pct_max'] = array(
-        'innodb_compression_pad_pct_max',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_concurrency_tickets'] = array(
-        'innodb_concurrency_tickets',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_data_file_path'] = array(
-        'innodb_data_file_path',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_data_home_dir'] = array(
-        'innodb_data_home_dir',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_disable_sort_file_cache'] = array(
-        'innodb_disable_sort_file_cache',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_doublewrite'] = array(
-        'innodb_doublewrite',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_fast_shutdown'] = array(
-        'innodb_fast_shutdown',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_file_format'] = array(
-        'innodb_file_format',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_file_format_check'] = array(
-        'innodb_file_format_check',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_file_format_max'] = array(
-        'innodb_file_format_max',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_file_per_table'] = array(
-        'innodb_file_per_table',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_flush_log_at_timeout'] = array(
-        'innodb_flush_log_at_timeout',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_flush_log_at_trx_commit'] = array(
-        'innodb_flush_log_at_trx_commit',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_flush_method'] = array(
-        'innodb_flush_method',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_flush_neighbors'] = array(
-        'innodb_flush_neighbors',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_flushing_avg_loops'] = array(
-        'innodb_flushing_avg_loops',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_force_load_corrupted'] = array(
-        'innodb_force_load_corrupted',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_force_recovery'] = array(
-        'innodb_force_recovery',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_aux_table'] = array(
-        'innodb_ft_aux_table',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_cache_size'] = array(
-        'innodb_ft_cache_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_enable_diag_print'] = array(
-        'innodb_ft_enable_diag_print',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_enable_stopword'] = array(
-        'innodb_ft_enable_stopword',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_max_token_size'] = array(
-        'innodb_ft_max_token_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_min_token_size'] = array(
-        'innodb_ft_min_token_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_num_word_optimize'] = array(
-        'innodb_ft_num_word_optimize',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_result_cache_limit'] = array(
-        'innodb_ft_result_cache_limit',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_server_stopword_table'] = array(
-        'innodb_ft_server_stopword_table',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_sort_pll_degree'] = array(
-        'innodb_ft_sort_pll_degree',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_total_cache_size'] = array(
-        'innodb_ft_total_cache_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_ft_user_stopword_table'] = array(
-        'innodb_ft_user_stopword_table',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_io_capacity'] = array(
-        'innodb_io_capacity',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_io_capacity_max'] = array(
-        'innodb_io_capacity_max',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_large_prefix'] = array(
-        'innodb_large_prefix',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_lock_wait_timeout'] = array(
-        'innodb_lock_wait_timeout',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_locks_unsafe_for_binlog'] = array(
-        'innodb_locks_unsafe_for_binlog',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_log_buffer_size'] = array(
-        'innodb_log_buffer_size',
-        'innodb-parameters',
-        'sysvar',
-        'byte');
-    $variable_doc_links['innodb_log_compressed_pages'] = array(
-        'innodb_log_compressed_pages',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_log_file_size'] = array(
-        'innodb_log_file_size',
-        'innodb-parameters',
-        'sysvar',
-        'byte');
-    $variable_doc_links['innodb_log_files_in_group'] = array(
-        'innodb_log_files_in_group',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_log_group_home_dir'] = array(
-        'innodb_log_group_home_dir',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_lru_scan_depth'] = array(
-        'innodb_lru_scan_depth',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_max_dirty_pages_pct'] = array(
-        'innodb_max_dirty_pages_pct',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_max_dirty_pages_pct_lwm'] = array(
-        'innodb_max_dirty_pages_pct_lwm',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_max_purge_lag'] = array(
-        'innodb_max_purge_lag',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_max_purge_lag_delay'] = array(
-        'innodb_max_purge_lag_delay',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_mirrored_log_groups'] = array(
-        'innodb_mirrored_log_groups',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_monitor_disable'] = array(
-        'innodb_monitor_disable',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_monitor_enable'] = array(
-        'innodb_monitor_enable',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_monitor_reset'] = array(
-        'innodb_monitor_reset',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_monitor_reset_all'] = array(
-        'innodb_monitor_reset_all',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_old_blocks_pct'] = array(
-        'innodb_old_blocks_pct',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_old_blocks_time'] = array(
-        'innodb_old_blocks_time',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_online_alter_log_max_size'] = array(
-        'innodb_online_alter_log_max_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_open_files'] = array(
-        'innodb_open_files',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_optimize_fulltext_only'] = array(
-        'innodb_optimize_fulltext_only',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_page_size'] = array(
-        'innodb_page_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_print_all_deadlocks'] = array(
-        'innodb_print_all_deadlocks',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_purge_batch_size'] = array(
-        'innodb_purge_batch_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_purge_threads'] = array(
-        'innodb_purge_threads',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_random_read_ahead'] = array(
-        'innodb_random_read_ahead',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_read_ahead_threshold'] = array(
-        'innodb_read_ahead_threshold',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_read_io_threads'] = array(
-        'innodb_read_io_threads',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_read_only'] = array(
-        'innodb_read_only',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_replication_delay'] = array(
-        'innodb_replication_delay',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_rollback_on_timeout'] = array(
-        'innodb_rollback_on_timeout',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_rollback_segments'] = array(
-        'innodb_rollback_segments',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_sort_buffer_size'] = array(
-        'innodb_sort_buffer_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_spin_wait_delay'] = array(
-        'innodb_spin_wait_delay',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_auto_recalc'] = array(
-        'innodb_stats_auto_recalc',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_method'] = array(
-        'innodb_stats_method',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_on_metadata'] = array(
-        'innodb_stats_on_metadata',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_persistent'] = array(
-        'innodb_stats_persistent',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_persistent_sample_pages'] = array(
-        'innodb_stats_persistent_sample_pages',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_sample_pages'] = array(
-        'innodb_stats_sample_pages',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_stats_transient_sample_pages'] = array(
-        'innodb_stats_transient_sample_pages',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_status_output'] = array(
-        'innodb_status_output',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_status_output_locks'] = array(
-        'innodb_status_output_locks',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_strict_mode'] = array(
-        'innodb_strict_mode',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_support_xa'] = array(
-        'innodb_support_xa',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_sync_array_size'] = array(
-        'innodb_sync_array_size',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_sync_spin_loops'] = array(
-        'innodb_sync_spin_loops',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_table_locks'] = array(
-        'innodb_table_locks',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_thread_concurrency'] = array(
-        'innodb_thread_concurrency',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_thread_sleep_delay'] = array(
-        'innodb_thread_sleep_delay',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_undo_directory'] = array(
-        'innodb_undo_directory',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_undo_logs'] = array(
-        'innodb_undo_logs',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_undo_tablespaces'] = array(
-        'innodb_undo_tablespaces',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_use_native_aio'] = array(
-        'innodb_use_native_aio',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_use_sys_malloc'] = array(
-        'innodb_use_sys_malloc',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_version'] = array(
-        'innodb_version',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['innodb_write_io_threads'] = array(
-        'innodb_write_io_threads',
-        'innodb-parameters',
-        'sysvar');
-    $variable_doc_links['insert_id'] = array(
-        'insert_id',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['interactive_timeout'] = array(
-        'interactive_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['join_buffer_size'] = array(
-        'join_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['keep_files_on_create'] = array(
-        'keep_files_on_create',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['key_buffer_size'] = array(
-        'key_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['key_cache_age_threshold'] = array(
-        'key_cache_age_threshold',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['key_cache_block_size'] = array(
-        'key_cache_block_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['key_cache_division_limit'] = array(
-        'key_cache_division_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['language'] = array(
-        'language',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['large_files_support'] = array(
-        'large_files_support',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['large_page_size'] = array(
-        'large_page_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['large_pages'] = array(
-        'large-pages',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['last_insert_id'] = array(
-        'last_insert_id',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['lc_messages'] = array(
-        'lc-messages',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['lc_messages_dir'] = array(
-        'lc-messages-dir',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['lc_time_names'] = array(
-        'lc_time_names',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['license'] = array(
-        'license',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['local_infile'] = array(
-        'local_infile',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['lock_wait_timeout'] = array(
-        'lock_wait_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['locked_in_memory'] = array(
-        'locked_in_memory',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['log'] = array(
-        'log',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['log_bin'] = array(
-        'log_bin',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['log-bin'] = array(
-        'log-bin',
-        'replication-options-binary-log',
-        'option_mysqld');
-    $variable_doc_links['log_bin_basename'] = array(
-        'log_bin_basename',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['log_bin_index'] = array(
-        'log_bin_index',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['log_bin_trust_function_creators'] = array(
-        'log-bin-trust-function-creators',
-        'replication-options-binary-log',
-        'option_mysqld');
-    $variable_doc_links['log_bin_use_v1_row_events'] = array(
-        'log_bin_use_v1_row_events',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['log_error'] = array(
-        'log-error',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['log_output'] = array(
-        'log-output',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['log_queries_not_using_indexes'] = array(
-        'log-queries-not-using-indexes',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['log_slave_updates'] = array(
-        'log-slave-updates',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['log_slow_admin_statements'] = array(
-        'log_slow_admin_statements',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['log_slow_slave_statements'] = array(
-        'log_slow_slave_statements',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['log_throttle_queries_not_using_indexes'] = array(
-        'log_throttle_queries_not_using_indexes',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['log_slow_queries'] = array(
-        'log-slow-queries',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['log_warnings'] = array(
-        'log-warnings',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['long_query_time'] = array(
-        'long_query_time',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['low_priority_updates'] = array(
-        'low-priority-updates',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['lower_case_file_system'] = array(
-        'lower_case_file_system',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['lower_case_table_names'] = array(
-        'lower_case_table_names',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['master_info_repository'] = array(
-        'master_info_repository',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['master_verify_checksum'] = array(
-        'master_verify_checksum',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['master-bind'] = array(
-        '',
-        'replication-options',
-        0);
-    $variable_doc_links['max_allowed_packet'] = array(
-        'max_allowed_packet',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_binlog_cache_size'] = array(
-        'max_binlog_cache_size',
-        'replication-options-binary-log',
-        'sysvar',
-        'byte');
-    $variable_doc_links['max_binlog_size'] = array(
-        'max_binlog_size',
-        'replication-options-binary-log',
-        'sysvar',
-        'byte');
-    $variable_doc_links['max_binlog_stmt_cache_size'] = array(
-        'max_binlog_stmt_cache_size',
-        'replication-options-binary-log',
-        'sysvar',
-        'byte');
-    $variable_doc_links['max_connect_errors'] = array(
-        'max_connect_errors',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_connections'] = array(
-        'max_connections',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_delayed_threads'] = array(
-        'max_delayed_threads',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_error_count'] = array(
-        'max_error_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_heap_table_size'] = array(
-        'max_heap_table_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['max_insert_delayed_threads'] = array(
-        'max_insert_delayed_threads',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_join_size'] = array(
-        'max_join_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_length_for_sort_data'] = array(
-        'max_length_for_sort_data',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_long_data_size'] = array(
-        'max_long_data_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_prepared_stmt_count'] = array(
-        'max_prepared_stmt_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_relay_log_size'] = array(
-        'max_relay_log_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['max_seeks_for_key'] = array(
-        'max_seeks_for_key',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_sort_length'] = array(
-        'max_sort_length',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_sp_recursion_depth'] = array(
-        'max_sp_recursion_depth',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_tmp_tables'] = array(
-        'max_tmp_tables',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_user_connections'] = array(
-        'max_user_connections',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['max_write_lock_count'] = array(
-        'max_write_lock_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['metadata_locks_cache_size'] = array(
-        'metadata_locks_cache_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['metadata_locks_hash_instances'] = array(
-        'metadata_locks_hash_instances',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['memlock'] = array(
-        'memlock',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['min_examined_row_limit'] = array(
-        'min-examined-row-limit',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['multi_range_count'] = array(
-        'multi_range_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['myisam_data_pointer_size'] = array(
-        'myisam_data_pointer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['myisam_max_sort_file_size'] = array(
-        'myisam_max_sort_file_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['myisam_mmap_size'] = array(
-        'myisam_mmap_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['myisam_recover_options'] = array(
-        'myisam_recover_options',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['myisam_repair_threads'] = array(
-        'myisam_repair_threads',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['myisam_sort_buffer_size'] = array(
-        'myisam_sort_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['myisam_stats_method'] = array(
-        'myisam_stats_method',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['myisam_use_mmap'] = array(
-        'myisam_use_mmap',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['named_pipe'] = array(
-        'named_pipe',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['net_buffer_length'] = array(
-        'net_buffer_length',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['net_read_timeout'] = array(
-        'net_read_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['net_retry_count'] = array(
-        'net_retry_count',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['net_write_timeout'] = array(
-        'net_write_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['new'] = array(
-        'new',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['old'] = array(
-        'old',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['old_alter_table'] = array(
-        'old-alter-table',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['old_passwords'] = array(
-        'old-passwords',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['open_files_limit'] = array(
-        'open-files-limit',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['optimizer_prune_level'] = array(
-        'optimizer_prune_level',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_search_depth'] = array(
-        'optimizer_search_depth',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_switch'] = array(
-        'optimizer_switch',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_trace'] = array(
-        'optimizer_trace',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_trace_features'] = array(
-        'optimizer_trace_features',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_trace_limit'] = array(
-        'optimizer_trace_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_trace_max_mem_size'] = array(
-        'optimizer_trace_max_mem_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['optimizer_trace_offset'] = array(
-        'optimizer_trace_offset',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['partition'] = array(
-        'partition',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['performance_schema'] = array(
-        'performance_schema',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_accounts_size'] = array(
-        'performance_schema_accounts_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_digests_size'] = array(
-        'performance_schema_digests_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_events_stages_history_long_size']
-        = array(
-            'performance_schema_events_stages_history_long_size',
-            'performance-schema-system-variables',
-            'sysvar',
-        );
-    $variable_doc_links['performance_schema_events_stages_history_size'] = array(
-        'performance_schema_events_stages_history_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_events_statements_history_long_size']
-        = array(
-            'performance_schema_events_statements_history_long_size',
-            'performance-schema-system-variables',
-            'sysvar',
-        );
-    $variable_doc_links['performance_schema_events_statements_history_size'] = array(
-        'performance_schema_events_statements_history_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_events_waits_history_long_size'] = array(
-        'performance_schema_events_waits_history_long_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_events_waits_history_size'] = array(
-        'performance_schema_events_waits_history_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_hosts_size'] = array(
-        'performance_schema_hosts_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_cond_classes'] = array(
-        'performance_schema_max_cond_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_cond_instances'] = array(
-        'performance_schema_max_cond_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_file_classes'] = array(
-        'performance_schema_max_file_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_file_handles'] = array(
-        'performance_schema_max_file_handles',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_file_instances'] = array(
-        'performance_schema_max_file_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_mutex_classes'] = array(
-        'performance_schema_max_mutex_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_mutex_instances'] = array(
-        'performance_schema_max_mutex_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_rwlock_classes'] = array(
-        'performance_schema_max_rwlock_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_rwlock_instances'] = array(
-        'performance_schema_max_rwlock_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_socket_classes'] = array(
-        'performance_schema_max_socket_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_socket_instances'] = array(
-        'performance_schema_max_socket_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_stage_classes'] = array(
-        'performance_schema_max_stage_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_statement_classes'] = array(
-        'performance_schema_max_statement_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_table_handles'] = array(
-        'performance_schema_max_table_handles',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_table_instances'] = array(
-        'performance_schema_max_table_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_thread_classes'] = array(
-        'performance_schema_max_thread_classes',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_max_thread_instances'] = array(
-        'performance_schema_max_thread_instances',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_session_connect_attrs_size'] = array(
-        'performance_schema_session_connect_attrs_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_setup_actors_size'] = array(
-        'performance_schema_setup_actors_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_setup_objects_size'] = array(
-        'performance_schema_setup_objects_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['performance_schema_users_size'] = array(
-        'performance_schema_users_size',
-        'performance-schema-system-variables',
-        'sysvar');
-    $variable_doc_links['pid_file'] = array(
-        'pid-file',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['plugin_dir'] = array(
-        'plugin_dir',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['port'] = array(
-        'port',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['preload_buffer_size'] = array(
-        'preload_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['profiling'] = array(
-        'profiling',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['profiling_history_size'] = array(
-        'profiling_history_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['protocol_version'] = array(
-        'protocol_version',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['proxy_user'] = array(
-        'proxy_user',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['pseudo_thread_id'] = array(
-        'pseudo_thread_id',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['query_alloc_block_size'] = array(
-        'query_alloc_block_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['query_cache_limit'] = array(
-        'query_cache_limit',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['query_cache_min_res_unit'] = array(
-        'query_cache_min_res_unit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['query_cache_size'] = array(
-        'query_cache_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['query_cache_type'] = array(
-        'query_cache_type',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['query_cache_wlock_invalidate'] = array(
-        'query_cache_wlock_invalidate',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['query_prealloc_size'] = array(
-        'query_prealloc_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['rand_seed1'] = array(
-        'rand_seed1',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rand_seed2'] = array(
-        'rand_seed2',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['range_alloc_block_size'] = array(
-        'range_alloc_block_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['read_buffer_size'] = array(
-        'read_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['read_only'] = array(
-        'read_only',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['read_rnd_buffer_size'] = array(
-        'read_rnd_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['relay_log'] = array(
-        'relay_log',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay_log_basename'] = array(
-        'relay_log_basename',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay-log-index'] = array(
-        'relay-log-index',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['relay_log_index'] = array(
-        'relay_log_index',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay_log_info_file'] = array(
-        'relay_log_info_file',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay_log_info_repository'] = array(
-        'relay_log_info_repository',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay_log_purge'] = array(
-        'relay_log_purge',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['relay_log_recovery'] = array(
-        'relay_log_recovery',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['relay_log_space_limit'] = array(
-        'relay_log_space_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['report_host'] = array(
-        'report-host',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['report_password'] = array(
-        'report-password',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['report_port'] = array(
-        'report-port',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['report_user'] = array(
-        'report-user',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['rpl_stop_slave_timeout'] = array(
-        'rpl_stop_slave_timeout',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['rpl_recovery_rank'] = array(
-        'rpl_recovery_rank',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['rpl_semi_sync_master_enabled'] = array(
-        'rpl_semi_sync_master_enabled',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rpl_semi_sync_master_timeout'] = array(
-        'rpl_semi_sync_master_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rpl_semi_sync_master_trace_level'] = array(
-        'rpl_semi_sync_master_trace_level',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rpl_semi_sync_master_wait_no_slave'] = array(
-        'rpl_semi_sync_master_wait_no_slave',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rpl_semi_sync_slave_enabled'] = array(
-        'rpl_semi_sync_slave_enabled',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['rpl_semi_sync_slave_trace_level'] = array(
-        'rpl_semi_sync_slave_trace_level',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['safe_show_database'] = array(
-        'safe-show-database',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['secure_auth'] = array(
-        'secure-auth',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['secure_file_priv'] = array(
-        'secure-file-priv',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['server_id'] = array(
-        'server-id',
-        'replication-options',
-        'option_mysqld');
-    $variable_doc_links['server_id_bits'] = array(
-        'server_id_bits',
-        'mysql-cluster-system-variables',
-        'sysvar');
-    $variable_doc_links['server_uuid'] = array(
-        'server_uuid',
-        'replication-options',
-        'sysvar');
-    $variable_doc_links['shared_memory'] = array(
-        'shared_memory',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['shared_memory_base_name'] = array(
-        'shared_memory_base_name',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['skip_external_locking'] = array(
-        'skip-external-locking',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['skip_name_resolve'] = array(
-        'skip-name-resolve',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['skip_networking'] = array(
-        'skip-networking',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['skip_show_database'] = array(
-        'skip-show-database',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['slave_allow_batching'] = array(
-        'slave_allow_batching',
-        'mysql-cluster-system-variables',
-        'sysvar');
-    $variable_doc_links['slave_checkpoint_group'] = array(
-        'slave_checkpoint_group',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_checkpoint_period'] = array(
-        'slave_checkpoint_period',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_compressed_protocol'] = array(
-        'slave_compressed_protocol',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_exec_mode'] = array(
-        'slave_exec_mode',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_load_tmpdir'] = array(
-        'slave-load-tmpdir',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['slave_max_allowed_packet'] = array(
-        'slave_max_allowed_packet',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_net_timeout'] = array(
-        'slave-net-timeout',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['slave_parallel_workers'] = array(
-        'slave_parallel_workers',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_pending_jobs_size_max'] = array(
-        'slave_pending_jobs_size_max',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_rows_search_algorithms'] = array(
-        'slave_rows_search_algorithms',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_skip_errors'] = array(
-        'slave-skip-errors',
-        'replication-options-slave',
-        'option_mysqld');
-    $variable_doc_links['slave_sql_verify_checksum'] = array(
-        'slave_sql_verify_checksum',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_transaction_retries'] = array(
-        'slave_transaction_retries',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slave_type_conversions'] = array(
-        'slave_type_conversions',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['slow_launch_time'] = array(
-        'slow_launch_time',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['slow_query_log'] = array(
-        'slow-query-log',
-        'server-options',
-        'server-system-variables');
-    $variable_doc_links['slow_query_log_file'] = array(
-        'slow_query_log_file',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['socket'] = array(
-        'socket',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['sort_buffer_size'] = array(
-        'sort_buffer_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['sql_auto_is_null'] = array(
-        'sql_auto_is_null',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_big_selects'] = array(
-        'sql_big_selects',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_big_tables'] = array(
-        'big-tables',
-        'server-options',
-        'server-system-variables');
-    $variable_doc_links['sql_buffer_result'] = array(
-        'sql_buffer_result',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_log_bin'] = array(
-        'sql_log_bin',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_log_off'] = array(
-        'sql_log_off',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_log_update'] = array(
-        'sql_log_update',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_low_priority_updates'] = array(
-        'sql_low_priority_updates',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_max_join_size'] = array(
-        'sql_max_join_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_mode'] = array(
-        'sql-mode',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['sql_notes'] = array(
-        'sql_notes',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_quote_show_create'] = array(
-        'sql_quote_show_create',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_safe_updates'] = array(
-        'sql_safe_updates',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_select_limit'] = array(
-        'sql_select_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sql_slave_skip_counter'] = array(
-        'sql_slave_skip_counter',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['sql_warnings'] = array(
-        'sql_warnings',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ssl_ca'] = array(
-        'ssl-ca',
-        'ssl-options',
-        'option_general');
-    $variable_doc_links['ssl_capath'] = array(
-        'ssl-capath',
-        'ssl-options',
-        'option_general');
-    $variable_doc_links['ssl_cert'] = array(
-        'ssl-cert',
-        'ssl-options',
-        'option_general');
-    $variable_doc_links['ssl_cipher'] = array(
-        'ssl-cipher',
-        'ssl-options',
-        'option_general');
-    $variable_doc_links['ssl_crl'] = array(
-        'ssl_crl',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ssl_crlpath'] = array(
-        'ssl_crlpath',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['ssl_key'] = array(
-        'ssl-key',
-        'ssl-options',
-        'option_general');
-    $variable_doc_links['storage_engine'] = array(
-        'storage_engine',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['stored_program_cache'] = array(
-        'stored_program_cache',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sync_binlog'] = array(
-        'sync_binlog',
-        'replication-options-binary-log',
-        'sysvar');
-    $variable_doc_links['sync_frm'] = array(
-        'sync_frm',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['sync_master_info'] = array(
-        'sync_master_info',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['sync_relay_log'] = array(
-        'sync_relay_log',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['sync_relay_log_info'] = array(
-        'sync_relay_log_info',
-        'replication-options-slave',
-        'sysvar');
-    $variable_doc_links['system_time_zone'] = array(
-        'system_time_zone',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['table_definition_cache'] = array(
-        'table_definition_cache',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['table_lock_wait_timeout'] = array(
-        'table_lock_wait_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['table_open_cache'] = array(
-        'table_open_cache',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['table_open_cache_instances'] = array(
-        'table_open_cache_instances',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['table_type'] = array(
-        'table_type',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['thread_cache_size'] = array(
-        'thread_cache_size',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['thread_concurrency'] = array(
-        'thread_concurrency',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['thread_handling'] = array(
-        'thread_handling',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['thread_stack'] = array(
-        'thread_stack',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['time_format'] = array(
-        'time_format',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['time_zone'] = array(
-        'time_zone',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['timed_mutexes'] = array(
-        'timed_mutexes',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['timestamp'] = array(
-        'timestamp',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['tmp_table_size'] = array(
-        'tmp_table_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['tmpdir'] = array(
-        'tmpdir',
-        'server-options',
-        'option_mysqld');
-    $variable_doc_links['transaction_alloc_block_size'] = array(
-        'transaction_alloc_block_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['transaction_prealloc_size'] = array(
-        'transaction_prealloc_size',
-        'server-system-variables',
-        'sysvar',
-        'byte');
-    $variable_doc_links['tx_isolation'] = array(
-        'tx_isolation',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['tx_read_only'] = array(
-        'tx_read_only',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['unique_checks'] = array(
-        'unique_checks',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['updatable_views_with_limit'] = array(
-        'updatable_views_with_limit',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['version'] = array(
-        'version',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['version_comment'] = array(
-        'version_comment',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['version_compile_machine'] = array(
-        'version_compile_machine',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['version_compile_os'] = array(
-        'version_compile_os',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['wait_timeout'] = array(
-        'wait_timeout',
-        'server-system-variables',
-        'sysvar');
-    $variable_doc_links['warning_count'] = array(
-        'warning_count',
-        'server-system-variables',
-        'sysvar');
-    return $variable_doc_links;
-}
-
-/**
- * Returns array of static system variables (i.e. read-only)
- *
- * @return array
- */
-function PMA_getStaticSystemVariables()
-{
-    $static_variables = array(
-        'back_log',
-        'basedir',
-        'bind_address',
-        'binlog_row_image',
-        'character_set_system',
-        'character_sets_dir',
-        'core_file',
-        'datadir',
-        'date_format',
-        'datetime_format',
-        'disconnect_on_expired_password',
-        'engine_condition_pushdown',
-        'error_count',
-        'explicit_defaults_for_timestamp',
-        'external_user',
-        'ft_max_word_len',
-        'ft_min_word_len',
-        'ft_query_expansion_limit',
-        'ft_stopword_file',
-        'gtid_executed',
-        'gtid_owned',
-        'have_compress',
-        'have_crypt',
-        'have_csv',
-        'have_dynamic_loading',
-        'have_geometry',
-        'have_innodb',
-        'have_ndbcluster',
-        'have_openssl',
-        'have_partitioning',
-        'have_profiling',
-        'have_query_cache',
-        'have_rtree_keys',
-        'have_ssl',
-        'have_symlink',
-        'hostname',
-        'ignore_builtin_innodb',
-        'ignore_db_dirs',
-        'init_file',
-        'innodb_additional_mem_pool_size',
-        'innodb_api_disable_rowlock',
-        'innodb_api_enable_binlog',
-        'innodb_api_enable_mdl',
-        'innodb_autoinc_lock_mode',
-        'innodb_buffer_pool_instances',
-        'innodb_buffer_pool_load_at_startup',
-        'innodb_checksums',
-        'innodb_data_file_path',
-        'innodb_data_home_dir',
-        'innodb_doublewrite',
-        'innodb_file_format_check',
-        'innodb_flush_method',
-        'innodb_force_load_corrupted',
-        'innodb_force_recovery',
-        'innodb_ft_cache_size',
-        'innodb_ft_max_token_size',
-        'innodb_ft_min_token_size',
-        'innodb_ft_sort_pll_degree',
-        'innodb_ft_total_cache_size',
-        'innodb_locks_unsafe_for_binlog',
-        'innodb_log_buffer_size',
-        'innodb_log_file_size',
-        'innodb_log_files_in_group',
-        'innodb_log_group_home_dir',
-        'innodb_mirrored_log_groups',
-        'innodb_open_files',
-        'innodb_page_size',
-        'innodb_purge_threads',
-        'innodb_read_io_threads',
-        'innodb_read_only',
-        'innodb_rollback_on_timeout',
-        'innodb_sort_buffer_size',
-        'innodb_sync_array_size',
-        'innodb_undo_directory',
-        'innodb_undo_tablespaces',
-        'innodb_use_native_aio',
-        'innodb_use_sys_malloc',
-        'innodb_version',
-        'innodb_write_io_threads',
-        'language',
-        'large_files_support',
-        'large_page_size',
-        'large_pages',
-        'lc_messages_dir',
-        'license',
-        'locked_in_memory',
-        'log',
-        'log_bin',
-        'log-bin',
-        'log_bin_basename',
-        'log_bin_index',
-        'log_bin_use_v1_row_events',
-        'log_error',
-        'log_slave_updates',
-        'log_slow_queries',
-        'lower_case_file_system',
-        'lower_case_table_names',
-        'master-bind',
-        'max_long_data_size',
-        'max_tmp_tables',
-        'metadata_locks_cache_size',
-        'metadata_locks_hash_instances',
-        'memlock',
-        'multi_range_count',
-        'myisam_mmap_size',
-        'myisam_recover_options',
-        'named_pipe',
-        'old',
-        'open_files_limit',
-        'partition',
-        'performance_schema',
-        'performance_schema_accounts_size',
-        'performance_schema_digests_size',
-        'performance_schema_events_stages_history_long_size',
-        'performance_schema_events_stages_history_size',
-        'performance_schema_events_statements_history_long_size',
-        'performance_schema_events_statements_history_size',
-        'performance_schema_events_waits_history_long_size',
-        'performance_schema_events_waits_history_size',
-        'performance_schema_hosts_size',
-        'performance_schema_max_cond_classes',
-        'performance_schema_max_cond_instances',
-        'performance_schema_max_file_classes',
-        'performance_schema_max_file_handles',
-        'performance_schema_max_file_instances',
-        'performance_schema_max_mutex_classes',
-        'performance_schema_max_mutex_instances',
-        'performance_schema_max_rwlock_classes',
-        'performance_schema_max_rwlock_instances',
-        'performance_schema_max_socket_classes',
-        'performance_schema_max_socket_instances',
-        'performance_schema_max_stage_classes',
-        'performance_schema_max_statement_classes',
-        'performance_schema_max_table_handles',
-        'performance_schema_max_table_instances',
-        'performance_schema_max_thread_classes',
-        'performance_schema_max_thread_instances',
-        'performance_schema_session_connect_attrs_size',
-        'performance_schema_setup_actors_size',
-        'performance_schema_setup_objects_size',
-        'performance_schema_users_size',
-        'pid_file',
-        'plugin_dir',
-        'port',
-        'protocol_version',
-        'proxy_user',
-        'relay_log',
-        'relay_log_basename',
-        'relay-log-index',
-        'relay_log_index',
-        'relay_log_info_file',
-        'relay_log_recovery',
-        'relay_log_space_limit',
-        'report_host',
-        'report_password',
-        'report_port',
-        'report_user',
-        'rpl_recovery_rank',
-        'safe_show_database',
-        'secure_file_priv',
-        'server_id_bits',
-        'server_uuid',
-        'shared_memory',
-        'shared_memory_base_name',
-        'skip_external_locking',
-        'skip_name_resolve',
-        'skip_networking',
-        'skip_show_database',
-        'slave_checkpoint_group',
-        'slave_checkpoint_period',
-        'slave_load_tmpdir',
-        'slave_rows_search_algorithms',
-        'slave_skip_errors',
-        'slave_type_conversions',
-        'socket',
-        'sql_big_tables',
-        'sql_log_update',
-        'sql_low_priority_updates',
-        'sql_max_join_size',
-        'ssl_ca',
-        'ssl_capath',
-        'ssl_cert',
-        'ssl_cipher',
-        'ssl_crl',
-        'ssl_crlpath',
-        'ssl_key',
-        'system_time_zone',
-        'table_lock_wait_timeout',
-        'table_open_cache_instances',
-        'table_type',
-        'thread_concurrency',
-        'thread_handling',
-        'thread_stack',
-        'time_format',
-        'tmpdir',
-        'version',
-        'version_comment',
-        'version_compile_machine',
-        'version_compile_os',
-        'warning_count',
-    );
-
-    return $static_variables;
-
-}
-
diff --git a/server_variables.php b/server_variables.php
index 8c0091a030..a5c35ff605 100644
--- a/server_variables.php
+++ b/server_variables.php
@@ -1,97 +1,32 @@
 <?php
 /* vim: set expandtab sw=4 ts=4 sts=4: */
+
 /**
- * Server variables
+ * Handles server variables page.
  *
  * @package PhpMyAdmin
  */
 
-use PMA\libraries\Message;
-use PMA\libraries\Util;
+namespace PMA;
+
+use PMA\libraries\controllers\server\ServerVariablesController;
+use PMA\libraries\Response;
 
 require_once 'libraries/common.inc.php';
-require_once 'libraries/server_variables.lib.php';
 
-$response = PMA\libraries\Response::getInstance();
-$header   = $response->getHeader();
-$scripts  = $header->getScripts();
-$scripts->addFile('server_variables.js');
+$container = libraries\di\Container::getDefaultContainer();
+$container->factory(
+    'PMA\libraries\controllers\server\ServerVariablesController'
+);
+$container->alias(
+    'ServerVariablesController',
+    'PMA\libraries\controllers\server\ServerVariablesController'
+);
+$container->set('PMA\libraries\Response', Response::getInstance());
+$container->alias('response', 'PMA\libraries\Response');
 
-/**
- * Does the common work
- */
-require 'libraries/server_common.inc.php';
-
-/**
- * Array of documentation links
- */
-$variable_doc_links = PMA_getArrayForDocumentLinks();
-
-/**
- * Ajax request
- */
-
-if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true) {
-    if (isset($_REQUEST['type'])) {
-        if ($_REQUEST['type'] === 'getval') {
-            PMA_getAjaxReturnForGetVal($variable_doc_links);
-        } else if ($_REQUEST['type'] === 'setval') {
-            PMA_getAjaxReturnForSetVal($variable_doc_links);
-        }
-        exit;
-    }
-}
-
-/**
- * Displays the sub-page heading
- */
-$doc_link = PMA\libraries\Util::showMySQLDocu('server_system_variables');
-$response->addHtml(PMA_getHtmlForSubPageHeader('variables', $doc_link));
-
-/**
- * Sends the queries and buffers the results
- */
-$serverVarsResult = $GLOBALS['dbi']->tryQuery('SHOW SESSION VARIABLES;');
-
-if ($serverVarsResult !== false) {
-
-    $serverVarsSession = array();
-    while ($arr = $GLOBALS['dbi']->fetchRow($serverVarsResult)) {
-        $serverVarsSession[$arr[0]] = $arr[1];
-    }
-    $GLOBALS['dbi']->freeResult($serverVarsResult);
-
-    $serverVars = $GLOBALS['dbi']->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
-
-    /**
-     * Link templates
-     */
-    $response->addHtml(PMA_getHtmlForLinkTemplates());
-
-    /**
-     * Displays the page
-     */
-    $response->addHtml(
-        PMA_getHtmlForServerVariables(
-            $variable_doc_links, $serverVars, $serverVarsSession
-        )
-    );
-} else {
-    /**
-     * Display the error message
-     */
-    $response->addHTML(
-        Message::error(
-            sprintf(
-                __('Not enough privilege to view server variables and settings. %s'),
-                Util::showMySQLDocu(
-                    'server-system-variables',
-                    false,
-                    'sysvar_show_compatibility_56'
-                )
-            )
-        )->getDisplay()
-    );
-}
-
-exit;
+/** @var ServerVariablesController $controller */
+$controller = $container->get(
+    'ServerVariablesController', array()
+);
+$controller->indexAction();
diff --git a/templates/server/variables/link_template.phtml b/templates/server/variables/link_template.phtml
new file mode 100644
index 0000000000..ab7bbd2add
--- /dev/null
+++ b/templates/server/variables/link_template.phtml
@@ -0,0 +1,13 @@
+<a style="display: none;" href="<?php echo $url; ?>" class="ajax saveLink">
+    <?php echo \PMA\libraries\Util::getIcon('b_save.png', __('Save')); ?>
+</a>
+<a style="display: none;" href="#" class="cancelLink">
+    <?php echo \PMA\libraries\Util::getIcon('b_close.png', __('Cancel')); ?>
+</a>
+<?php
+echo \PMA\libraries\Util::getImage(
+    'b_help.png',
+    __('Documentation'),
+    array('style' => 'display:none', 'id' => 'docImage')
+);
+?>
\ No newline at end of file
diff --git a/templates/server/variables/session_variable_row.phtml b/templates/server/variables/session_variable_row.phtml
new file mode 100644
index 0000000000..e9c05e4fed
--- /dev/null
+++ b/templates/server/variables/session_variable_row.phtml
@@ -0,0 +1,5 @@
+<tr class="var-row <?php echo $rowClass; ?>">
+    <td class="var-action"></td>
+    <td class="var-name session">(<?php echo __('Session value'); ?> )</td>
+    <td class="var-value value">&nbsp;<?php echo htmlspecialchars($value); ?></td>
+</tr>
\ No newline at end of file
diff --git a/templates/server/variables/variable_filter.phtml b/templates/server/variables/variable_filter.phtml
new file mode 100644
index 0000000000..392f2a9cf9
--- /dev/null
+++ b/templates/server/variables/variable_filter.phtml
@@ -0,0 +1,9 @@
+<fieldset id="tableFilter">
+    <legend><?php echo __('Filters'); ?></legend>
+    <div class="formelement">
+        <label for="filterText"><?php echo __('Containing the word:'); ?></label>
+        <input name="filterText" type="text" id="filterText"
+               style="vertical-align: baseline;"
+               value="<?php echo htmlspecialchars($filterValue); ?>" />
+    </div>
+</fieldset>
\ No newline at end of file
diff --git a/templates/server/variables/variable_row.phtml b/templates/server/variables/variable_row.phtml
new file mode 100644
index 0000000000..e4bafd74ea
--- /dev/null
+++ b/templates/server/variables/variable_row.phtml
@@ -0,0 +1,25 @@
+<tr class="var-row <?php echo $rowClass; ?>">
+    <td class="var-action">
+    <?php if ($editable): ?>
+        <a href="#" class="editLink"><?php echo \PMA\libraries\Util::getIcon('b_edit.png', __('Edit')) ?></a>
+    <?php else: ?>
+        <span title="<?php echo __('This is a read-only variable and can not be edited') ?>" class="read_only_var">
+            <?php echo \PMA\libraries\Util::getIcon('bd_edit.png', __('Edit')) ?>
+        </span>
+    <?php endif; ?>
+    </td>
+    <td class="var-name">
+    <?php if ($docLink != null): ?>
+        <span title="<?php echo htmlspecialchars(str_replace('_', ' ', $name)); ?>">
+            <?php
+                echo \PMA\libraries\Util::showMySQLDocu($docLink[1], false, $docLink[2] . '_' . $docLink[0], true);
+                echo htmlspecialchars(str_replace('_', ' ', $name));
+                echo '</a>';
+            ?>
+        </span>
+    <?php else: ?>
+        <?php echo htmlspecialchars(str_replace('_', ' ', $name)); ?>
+    <?php endif; ?>
+    </td>
+    <td class="var-value value <?php echo ($isSuperuser ? ' editable' : '') ?>">&nbsp;<?php echo htmlspecialchars($value); ?></td>
+</tr>
\ No newline at end of file
diff --git a/templates/server/variables/variable_table_head.phtml b/templates/server/variables/variable_table_head.phtml
new file mode 100644
index 0000000000..dec0629cad
--- /dev/null
+++ b/templates/server/variables/variable_table_head.phtml
@@ -0,0 +1,7 @@
+<thead>
+    <tr class="var-header var-row">
+        <td class="var-action"><?php echo __('Action'); ?></td>
+        <td class="var-name"><?php echo __('Variable'); ?></td>
+        <td class="var-value"><?php echo __('Session value'); ?> / <?php echo __('Global value'); ?></td>
+    </tr>
+</thead>
\ No newline at end of file
diff --git a/test/libraries/PMA_server_variables_test.php b/test/classes/controllers/ServerVariablesControllerTest.php
similarity index 63%
rename from test/libraries/PMA_server_variables_test.php
rename to test/classes/controllers/ServerVariablesControllerTest.php
index ba6508d085..0c70f0dd9a 100644
--- a/test/libraries/PMA_server_variables_test.php
+++ b/test/classes/controllers/ServerVariablesControllerTest.php
@@ -1,35 +1,35 @@
 <?php
 /* vim: set expandtab sw=4 ts=4 sts=4: */
 /**
- * tests for server_variables.lib.php
+ * Holds ServerVariablesControllerTest class
  *
  * @package PhpMyAdmin-test
  */
 
-/*
- * Include to test.
- */
+use PMA\libraries\di\Container;
 use PMA\libraries\Theme;
 
-
 require_once 'libraries/php-gettext/gettext.inc';
 require_once 'libraries/url_generating.lib.php';
-require_once 'libraries/server_variables.lib.php';
 
 require_once 'libraries/database_interface.inc.php';
+require_once 'test/libraries/stubs/ResponseStub.php';
 
 require_once 'libraries/sanitizing.lib.php';
 require_once 'libraries/js_escape.lib.php';
 
 /**
- * class PMA_ServerVariables_Test
- *
- * this class is for testing server_variables.lib.php functions
+ * Tests for ServerVariablesController class
  *
  * @package PhpMyAdmin-test
  */
-class PMA_ServerVariables_Test extends PHPUnit_Framework_TestCase
+class ServerVariablesControllerTest extends PHPUnit_Framework_TestCase
 {
+    /**
+     * @var \PMA\Test\Stubs\Response
+     */
+    private $response;
+
     /**
      * Test for setUp
      *
@@ -104,50 +104,76 @@ class PMA_ServerVariables_Test extends PHPUnit_Framework_TestCase
             ->will($this->returnValueMap($fetchResult));
 
         $GLOBALS['dbi'] = $dbi;
+
+        $container = Container::getDefaultContainer();
+        $container->set('dbi', $GLOBALS['dbi']);
+        $this->response = new \PMA\Test\Stubs\Response();
+        $container->set('PMA\libraries\Response', $this->response);
+        $container->alias('response', 'PMA\libraries\Response');
     }
 
     /**
-     * Test for PMA_formatVariable
+     * Test for _formatVariable()
      *
      * @return void
      */
-    public function testPMAFormatVariable()
+    public function testFormatVariable()
     {
+        $class = new ReflectionClass('\PMA\libraries\controllers\server\ServerVariablesController');
+        $method = $class->getMethod('_formatVariable');
+        $method->setAccessible(true);
+
+        $container = Container::getDefaultContainer();
+        $container->factory('PMA\libraries\controllers\server\ServerVariablesController');
+        $container->alias(
+            'ServerVariablesController', 'PMA\libraries\controllers\server\ServerVariablesController'
+        );
+        $ctrl = $container->get('ServerVariablesController');
+
         //Call the test function
         $name_for_value_byte = "binlog_cache_size";
         $name_for_value_not_byte = "auto_increment_increment";
         $name_for_value_not_num = "PMA_key";
 
-        $variable_doc_links = PMA_getArrayForDocumentLinks();
-
         //name is_numeric and the value type is byte
         $this->assertEquals(
             '<abbr title="3">3 B</abbr>',
-            PMA_formatVariable($name_for_value_byte, "3", $variable_doc_links)
+            $method->invoke($ctrl, $name_for_value_byte, "3")
         );
 
         //name is_numeric and the value type is not byte
         $this->assertEquals(
             '3',
-            PMA_formatVariable($name_for_value_not_byte, "3", $variable_doc_links)
+            $method->invoke($ctrl, $name_for_value_not_byte, "3")
         );
 
         //value is not a number
         $this->assertEquals(
             'value',
-            PMA_formatVariable($name_for_value_not_num, "value", $variable_doc_links)
+            $method->invoke($ctrl, $name_for_value_not_num, "value")
         );
     }
 
     /**
-     * Test for PMA_getHtmlForLinkTemplates
+     * Test for _getHtmlForLinkTemplates()
      *
      * @return void
      */
-    public function testPMAGetHtmlForLinkTemplates()
+    public function testGetHtmlForLinkTemplates()
     {
+        $class = new ReflectionClass('\PMA\libraries\controllers\server\ServerVariablesController');
+        $method = $class->getMethod('_getHtmlForLinkTemplates');
+        $method->setAccessible(true);
+
+        $container = Container::getDefaultContainer();
+        $container->factory('PMA\libraries\controllers\server\ServerVariablesController');
+        $container->alias(
+            'ServerVariablesController', 'PMA\libraries\controllers\server\ServerVariablesController'
+        );
+        $ctrl = $container->get('ServerVariablesController');
+
         //Call the test function
-        $html = PMA_getHtmlForLinkTemplates();
+        $html = $method->invoke($ctrl);
         $url = 'server_variables.php' . PMA_URL_getCommon(array());
 
         //validate 1: URL
@@ -167,22 +193,30 @@ class PMA_ServerVariables_Test extends PHPUnit_Framework_TestCase
     }
 
     /**
-     * Test for PMA_getHtmlForServerVariables
+     * Test for PMA_getHtmlForServerVariables()
      *
      * @return void
      */
     public function testPMAGetHtmlForServerVariables()
     {
-        //Call the test function
-        $_REQUEST['filter'] = "auto-commit";
-        $variable_doc_links = PMA_getArrayForDocumentLinks();
 
+        $class = new ReflectionClass('\PMA\libraries\controllers\server\ServerVariablesController');
+        $method = $class->getMethod('_getHtmlForLinkTemplates');
+        $method->setAccessible(true);
+
+        $container = Container::getDefaultContainer();
+        $container->factory('PMA\libraries\controllers\server\ServerVariablesController');
+        $container->alias(
+            'ServerVariablesController', 'PMA\libraries\controllers\server\ServerVariablesController'
+        );
+        $ctrl = $container->get('ServerVariablesController');
+
+        $_REQUEST['filter'] = "auto-commit";
         $serverVarsSession
             = $GLOBALS['dbi']->fetchResult('SHOW SESSION VARIABLES;', 0, 1);
         $serverVars = $GLOBALS['dbi']->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
-        $html = PMA_getHtmlForServerVariables(
-            $variable_doc_links, $serverVars, $serverVarsSession
-        );
+
+        $html = $method->invoke($ctrl, $serverVars, $serverVarsSession);
 
         //validate 1: Filters
         $this->assertContains(
@@ -214,21 +248,28 @@ class PMA_ServerVariables_Test extends PHPUnit_Framework_TestCase
     }
 
     /**
-     * Test for PMA_getHtmlForServerVariablesItems
+     * Test for _getHtmlForServerVariablesItems()
      *
      * @return void
      */
-    public function testPMAGetHtmlForServerVariablesItems()
+    public function testGetHtmlForServerVariablesItems()
     {
-        //Call the test function
-        $variable_doc_links = PMA_getArrayForDocumentLinks();
+        $class = new ReflectionClass('\PMA\libraries\controllers\server\ServerVariablesController');
+        $method = $class->getMethod('_getHtmlForServerVariablesItems');
+        $method->setAccessible(true);
+
+        $container = Container::getDefaultContainer();
+        $container->factory('PMA\libraries\controllers\server\ServerVariablesController');
+        $container->alias(
+            'ServerVariablesController', 'PMA\libraries\controllers\server\ServerVariablesController'
+        );
+        $ctrl = $container->get('ServerVariablesController');
 
         $serverVarsSession
             = $GLOBALS['dbi']->fetchResult('SHOW SESSION VARIABLES;', 0, 1);
         $serverVars = $GLOBALS['dbi']->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
-        $html = PMA_getHtmlForServerVariablesItems(
-            $variable_doc_links, $serverVars, $serverVarsSession
-        );
+
+        $html = $method->invoke($ctrl, $serverVars, $serverVarsSession);
 
         //validate 1: variable: auto_increment_increment
         $name = "auto_increment_increment";