diff --git a/export.php b/export.php
index f69402d305..37efc02c62 100644
--- a/export.php
+++ b/export.php
@@ -36,7 +36,7 @@ $type = $what;
 
 // Check export type
 if (! isset($export_list[$type])) {
-    die(__('Bad type!'));
+    PMA_fatalError(__('Bad type!'));
 }
 
 /**
@@ -113,7 +113,7 @@ if ($export_type == 'server') {
 } elseif ($export_type == 'table' && strlen($db) && strlen($table)) {
     $err_url = 'tbl_export.php?' . PMA_generate_common_url($db, $table);
 } else {
-    die(__('Bad parameters!'));
+    PMA_fatalError(__('Bad parameters!'));
 }
 
 // Get the functions specific to the export type
diff --git a/file_echo.php b/file_echo.php
index 47e8dbe312..c776270791 100644
--- a/file_echo.php
+++ b/file_echo.php
@@ -18,7 +18,7 @@ if (isset($_REQUEST['filename']) && isset($_REQUEST['image'])) {
 
     /* Check whether MIME type is allowed */
     if (! isset($allowed[$_REQUEST['type']])) {
-        die(__('Invalid export type'));
+        PMA_fatalError(__('Invalid export type'));
     }
 
     /*
diff --git a/libraries/Config.class.php b/libraries/Config.class.php
index a1f8efeff2..dba6f082d8 100644
--- a/libraries/Config.class.php
+++ b/libraries/Config.class.php
@@ -880,19 +880,6 @@ class PMA_Config
         $this->source = trim($source);
     }
 
-    /**
-     * checks if the config folder still exists and terminates app if true
-     *
-     * @return void
-     */
-    function checkConfigFolder()
-    {
-        // Refuse to work while there still might be some world writable dir:
-        if (is_dir('./config')) {
-            die(__('Remove "./config" directory before using phpMyAdmin!'));
-        }
-    }
-
     /**
      * check config source
      *
@@ -953,7 +940,13 @@ class PMA_Config
                 $this->checkWebServerOs();
                 if ($this->get('PMA_IS_WINDOWS') == 0) {
                     $this->source_mtime = 0;
-                    die(__('Wrong permissions on configuration file, should not be world writable!'));
+                    /* Gettext is possibly still not loaded */
+                    if (function_exists('__')) {
+                        $msg = __('Wrong permissions on configuration file, should not be world writable!');
+                    } else {
+                        $msg = 'Wrong permissions on configuration file, should not be world writable!';
+                    }
+                    PMA_fatalError($msg);
                 }
             }
         }
diff --git a/libraries/auth/cookie.auth.lib.php b/libraries/auth/cookie.auth.lib.php
index 9a09a1900e..41a8c2d582 100644
--- a/libraries/auth/cookie.auth.lib.php
+++ b/libraries/auth/cookie.auth.lib.php
@@ -43,7 +43,7 @@ if (function_exists('mcrypt_encrypt')) {
         srand((double) microtime() * 1000000);
         $td = mcrypt_module_open(MCRYPT_BLOWFISH, '', MCRYPT_MODE_CBC, '');
         if ($td === false) {
-            die(__('Failed to use Blowfish from mcrypt!'));
+            PMA_fatalError(__('Failed to use Blowfish from mcrypt!'));
         }
         $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
         $GLOBALS['PMA_Config']->setCookie('pma_mcrypt_iv', base64_encode($iv));
diff --git a/libraries/common.inc.php b/libraries/common.inc.php
index f99e04a544..0c0392559e 100644
--- a/libraries/common.inc.php
+++ b/libraries/common.inc.php
@@ -153,7 +153,7 @@ if (!defined('PMA_MINIMUM_COMMON')) {
  * protect against possible exploits - there is no need to have so much variables
  */
 if (count($_REQUEST) > 1000) {
-    die(__('possible exploit'));
+    PMA_fatalError(__('possible exploit'));
 }
 
 /**
@@ -162,7 +162,7 @@ if (count($_REQUEST) > 1000) {
  */
 foreach ($GLOBALS as $key => $dummy) {
     if (is_numeric($key)) {
-        die(__('numeric key detected'));
+        PMA_fatalError(__('numeric key detected'));
     }
 }
 unset($dummy);
diff --git a/libraries/common.lib.php b/libraries/common.lib.php
index 7f8accc526..142f7d8673 100644
--- a/libraries/common.lib.php
+++ b/libraries/common.lib.php
@@ -776,9 +776,6 @@ function PMA_getTableList($db, $tables = null, $limit_offset = 0,
 
     $table_groups = array();
 
-    // load PMA configuration
-    $PMA_Config = $GLOBALS['PMA_Config'];
-
     foreach ($tables as $table_name => $table) {
         // check for correct row count
         if (null === $table['Rows']) {
@@ -1034,7 +1031,6 @@ function PMA_showMessage(
             PMA_DBI_try_query('REPAIR TABLE ' . PMA_backquote($GLOBALS['table']));
         }
     }
-    unset($tbl_status);
 
     // In an Ajax request, $GLOBALS['cell_align_left'] may not be defined. Hence,
     // check for it's presence before using it
@@ -1223,8 +1219,6 @@ function PMA_showMessage(
             $edit_link = '';
         }
 
-        $url_qpart = PMA_generate_common_url($url_params);
-
         // Also we would like to get the SQL formed in some nice
         // php-code
         if (! empty($cfg['SQLQuery']['ShowAsPHP']) && ! $query_too_big) {
@@ -3232,7 +3226,7 @@ function PMA_expandUserString($string, $escape = null, $updates = array())
             if (! is_null($escape)) {
                 $column_names[] = $escape($column['Field']);
             } else {
-                $column_names[] = $field['Field'];
+                $column_names[] = $column['Field'];
             }
         }
 
@@ -3340,7 +3334,7 @@ function PMA_selectUploadFile($import_list, $uploaddir)
         )
         . '</label>';
     $extensions = '';
-    foreach ($import_list as $key => $val) {
+    foreach ($import_list as $val) {
         if (! empty($extensions)) {
             $extensions .= '|';
         }
@@ -3349,7 +3343,7 @@ function PMA_selectUploadFile($import_list, $uploaddir)
     $matcher = '@\.(' . $extensions . ')(\.('
         . PMA_supportedDecompressions() . '))?$@';
 
-    $active = (isset($timeout_passed) && $timeout_passed && isset($local_import_file))
+    $active = (isset($GLOBALS['timeout_passed']) && $GLOBALS['timeout_passed'] && isset($local_import_file))
         ? $local_import_file
         : '';
     $files = PMA_getFileSelectOptions(
@@ -3414,8 +3408,6 @@ function PMA_buildActionTitles()
  */
 function PMA_getSupportedDatatypes($html = false, $selected = '')
 {
-    global $cfg;
-
     if ($html) {
         // NOTE: the SELECT tag in not included in this snippet.
         $retval = '';
@@ -3831,7 +3823,7 @@ function PMA_currentUserHasPrivilege($priv, $db = null, $tbl = null)
         // need to escape wildcards in db and table names, see bug #3518484
         $tbl = str_replace(array('%', '_'), array('\%', '\_'), $tbl);
         $query .= " AND TABLE_NAME='%s'";
-        if ($retval = PMA_DBI_fetch_value(
+        if (PMA_DBI_fetch_value(
             sprintf(
                 $query,
                 'TABLE_PRIVILEGES',
diff --git a/libraries/config/messages.inc.php b/libraries/config/messages.inc.php
index db0c2b557e..61d1698bea 100644
--- a/libraries/config/messages.inc.php
+++ b/libraries/config/messages.inc.php
@@ -11,7 +11,7 @@
  */
 
 if (!function_exists('__')) {
-    die('Bad invocation!');
+    PMA_fatalError('Bad invocation!');
 }
 
 $strConfigAjaxEnable_desc = __('Improves efficiency of screen refresh');
diff --git a/libraries/core.lib.php b/libraries/core.lib.php
index 15bdd6f3d5..4af2e11e03 100644
--- a/libraries/core.lib.php
+++ b/libraries/core.lib.php
@@ -222,8 +222,6 @@ function PMA_fatalError($error_message, $message_args = null, $delete_session =
     // Displays the error message
     $lang = $GLOBALS['available_languages'][$GLOBALS['lang']][1];
     $dir = $GLOBALS['text_dir'];
-    $type = $error_header;
-    $error = $error_message;
 
     // on fatal errors it cannot hurt to always delete the current session
     if ($delete_session
@@ -429,7 +427,7 @@ function PMA_arrayWalkRecursive(&$array, $function, $apply_to_keys_also = false)
 {
     static $recursive_counter = 0;
     if (++$recursive_counter > 1000) {
-        die(__('possible deep recursion attack'));
+        PMA_fatalError(__('possible deep recursion attack'));
     }
     foreach ($array as $key => $value) {
         if (is_array($value)) {
diff --git a/libraries/header_http.inc.php b/libraries/header_http.inc.php
index 9873c5dbdf..38756be6f7 100644
--- a/libraries/header_http.inc.php
+++ b/libraries/header_http.inc.php
@@ -12,7 +12,7 @@ if (! defined('PHPMYADMIN')) {
  *
  */
 if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) {
-    die(__("GLOBALS overwrite attempt"));
+    PMA_fatalError(__("GLOBALS overwrite attempt"));
 }
 
 /**
diff --git a/libraries/header_meta_style.inc.php b/libraries/header_meta_style.inc.php
index c2e59c8316..eb010a9bea 100644
--- a/libraries/header_meta_style.inc.php
+++ b/libraries/header_meta_style.inc.php
@@ -12,7 +12,7 @@ if (! defined('PHPMYADMIN')) {
  *
  */
 if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) {
-    die(__("GLOBALS overwrite attempt"));
+    PMA_fatalError(__("GLOBALS overwrite attempt"));
 }
 
 /**
diff --git a/libraries/select_lang.lib.php b/libraries/select_lang.lib.php
index a2f1d34829..0eb94a796d 100644
--- a/libraries/select_lang.lib.php
+++ b/libraries/select_lang.lib.php
@@ -488,7 +488,7 @@ _textdomain('phpmyadmin');
  */
 
 if (! function_exists('__')) {
-    die('Bad invocation!');
+    PMA_fatalError('Bad invocation!');
 }
 
 /* l10n: Text direction, use either ltr or rtl */
diff --git a/setup/frames/form.inc.php b/setup/frames/form.inc.php
index a62b80a297..cf188eb2b0 100644
--- a/setup/frames/form.inc.php
+++ b/setup/frames/form.inc.php
@@ -22,7 +22,7 @@ require './libraries/config/setup.forms.php';
 $formset_id = filter_input(INPUT_GET, 'formset');
 $mode = filter_input(INPUT_GET, 'mode');
 if (! isset($forms[$formset_id])) {
-    die(__('Incorrect formset, check $formsets array in setup/frames/form.inc.php'));
+    PMA_fatalError(__('Incorrect formset, check $formsets array in setup/frames/form.inc.php'));
 }
 
 if (isset($GLOBALS['strConfigFormset_' . $formset_id])) {
diff --git a/setup/index.php b/setup/index.php
index 1b202ba842..d828c1ddfd 100644
--- a/setup/index.php
+++ b/setup/index.php
@@ -19,7 +19,7 @@ if ($page === '') {
 }
 if (!file_exists("./setup/frames/$page.inc.php")) {
     // it will happen only when enterung URL by hand, we don't care for these cases
-    die(__('Wrong GET file attribute value'));
+    PMA_fatalError(__('Wrong GET file attribute value'));
 }
 
 // Handle done action info
diff --git a/setup/lib/common.inc.php b/setup/lib/common.inc.php
index c547521ac6..38389bee0f 100644
--- a/setup/lib/common.inc.php
+++ b/setup/lib/common.inc.php
@@ -15,7 +15,7 @@ define('PMA_SETUP', true);
 chdir('..');
 
 if (!file_exists('./libraries/common.inc.php')) {
-    die('Bad invocation!');
+    PMA_fatalError('Bad invocation!');
 }
 
 require_once './libraries/common.inc.php';
@@ -52,4 +52,4 @@ ConfigFile::getInstance()->setPersistKeys(
 // allows for redirection even after sending some data
 ob_start();
 
-?>
\ No newline at end of file
+?>
diff --git a/setup/validate.php b/setup/validate.php
index edf562f24d..2cb8c93ca8 100644
--- a/setup/validate.php
+++ b/setup/validate.php
@@ -19,7 +19,7 @@ header('Content-type: application/json');
 $vids = explode(',', filter_input(INPUT_POST, 'id'));
 $values = json_decode(filter_input(INPUT_POST, 'values'));
 if (!($values instanceof stdClass)) {
-    die(__('Wrong data'));
+    PMA_fatalError(__('Wrong data'));
 }
 $values = (array)$values;
 $result = PMA_config_validate($vids, $values, true);