diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 47e5c54072..7e24d7538d 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -6867,12 +6867,6 @@ parameters:
 			count: 1
 			path: src/Error/ErrorHandler.php
 
-		-
-			message: '#^Loose comparison via "\!\=" is not allowed\.$#'
-			identifier: notEqual.notAllowed
-			count: 1
-			path: src/Error/ErrorHandler.php
-
 		-
 			message: '#^Parameter \#1 \$value of function count expects array\|Countable, mixed given\.$#'
 			identifier: argument.type
diff --git a/resources/templates/error/get_display.twig b/resources/templates/error/get_display.twig
index 81a555a0e9..1eb7fc547d 100644
--- a/resources/templates/error/get_display.twig
+++ b/resources/templates/error/get_display.twig
@@ -5,7 +5,7 @@
 
   {{ message|raw }}
 
-  {%- if not is_user_error -%}
+  {%- if not is_user_error and formatted_backtrace is not empty -%}
     <p class="mt-3"><strong>Backtrace</strong></p>
     {{- formatted_backtrace|raw -}}
   {%- endif -%}
diff --git a/src/Config/FormDisplay.php b/src/Config/FormDisplay.php
index 326a695857..bc16adf814 100644
--- a/src/Config/FormDisplay.php
+++ b/src/Config/FormDisplay.php
@@ -16,6 +16,7 @@ namespace PhpMyAdmin\Config;
 
 use PhpMyAdmin\Config;
 use PhpMyAdmin\Config\Forms\User\UserFormList;
+use PhpMyAdmin\Error\ErrorHandler;
 use PhpMyAdmin\Html\MySQLDocumentation;
 use PhpMyAdmin\Util;
 
@@ -37,11 +38,8 @@ use function sprintf;
 use function str_ends_with;
 use function str_replace;
 use function str_starts_with;
-use function trigger_error;
 use function trim;
 
-use const E_USER_WARNING;
-
 /**
  * Form management class, displays and processes forms
  */
@@ -391,7 +389,7 @@ class FormDisplay
                 return $htmlOutput;
 
             case 'NULL':
-                trigger_error('Field ' . $systemPath . ' has no type', E_USER_WARNING);
+                ErrorHandler::getInstance()->addUserError('Field ' . $systemPath . ' has no type');
 
                 return null;
         }
diff --git a/src/Core.php b/src/Core.php
index e1666e55df..4c4f0c01e6 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -45,7 +45,6 @@ use function unserialize;
 use function urldecode;
 
 use const DATE_RFC1123;
-use const E_USER_WARNING;
 use const FILTER_VALIDATE_IP;
 
 /**
@@ -115,7 +114,7 @@ class Core
             throw new MissingExtensionException(Sanitize::convertBBCode($message));
         }
 
-        ErrorHandler::getInstance()->addError($message, E_USER_WARNING, '', 0, false);
+        ErrorHandler::getInstance()->addUserError($message, false);
     }
 
     /**
diff --git a/src/Dbal/DatabaseInterface.php b/src/Dbal/DatabaseInterface.php
index 0487152451..367e6f8fcc 100644
--- a/src/Dbal/DatabaseInterface.php
+++ b/src/Dbal/DatabaseInterface.php
@@ -60,12 +60,10 @@ use function strtoupper;
 use function strtr;
 use function substr;
 use function syslog;
-use function trigger_error;
 use function uasort;
 use function uksort;
 use function usort;
 
-use const E_USER_WARNING;
 use const LOG_INFO;
 use const LOG_NDELAY;
 use const LOG_PID;
@@ -1049,20 +1047,21 @@ class DatabaseInterface
                 . $this->quoteString($currentServer->sessionTimeZone);
 
             if (! $this->tryQuery($sqlQueryTz)) {
-                $errorMessageTz = sprintf(
-                    __(
-                        'Unable to use timezone "%1$s" for server %2$d. '
-                        . 'Please check your configuration setting for '
-                        . '[em]$cfg[\'Servers\'][%3$d][\'SessionTimeZone\'][/em]. '
-                        . 'phpMyAdmin is currently using the default time zone '
-                        . 'of the database server.',
+                $errorHandler = ErrorHandler::getInstance();
+                $errorHandler->addUserError(
+                    sprintf(
+                        __(
+                            'Unable to use timezone "%1$s" for server %2$d. '
+                            . 'Please check your configuration setting for '
+                            . '[em]$cfg[\'Servers\'][%3$d][\'SessionTimeZone\'][/em]. '
+                            . 'phpMyAdmin is currently using the default time zone '
+                            . 'of the database server.',
+                        ),
+                        $currentServer->sessionTimeZone,
+                        Current::$server,
+                        Current::$server,
                     ),
-                    $currentServer->sessionTimeZone,
-                    Current::$server,
-                    Current::$server,
                 );
-
-                trigger_error($errorMessageTz, E_USER_WARNING);
             }
         }
 
@@ -1092,10 +1091,8 @@ class DatabaseInterface
         );
 
         if ($result === false) {
-            trigger_error(
-                __('Failed to set configured collation connection!'),
-                E_USER_WARNING,
-            );
+            $errorHandler = ErrorHandler::getInstance();
+            $errorHandler->addUserError(__('Failed to set configured collation connection!'));
 
             return;
         }
@@ -1606,33 +1603,20 @@ class DatabaseInterface
         try {
             $result = $this->extension->connect($server);
         } catch (ConnectionException $exception) {
-            trigger_error($exception->getMessage(), E_USER_WARNING);
+            $errorHandler->addUserError($exception->getMessage());
 
             return null;
         }
 
         $errorHandler->setHideLocation(false);
 
-        if ($result !== null) {
-            $this->connections[$target->value] = $result;
-            /* Run post connect for user connections */
-            if ($target === ConnectionType::User) {
-                $this->postConnect($currentServer);
-            }
-
-            return $result;
+        $this->connections[$target->value] = $result;
+        /* Run post connect for user connections */
+        if ($target === ConnectionType::User) {
+            $this->postConnect($currentServer);
         }
 
-        if ($connectionType === ConnectionType::ControlUser) {
-            trigger_error(
-                __(
-                    'Connection for controluser as defined in your configuration failed.',
-                ),
-                E_USER_WARNING,
-            );
-        }
-
-        return null;
+        return $result;
     }
 
     /**
@@ -1702,6 +1686,11 @@ class DatabaseInterface
         return $this->extension->getError($this->connections[$connectionType->value]);
     }
 
+    public function getConnectionErrorNumber(): int
+    {
+        return $this->extension->getConnectionErrorNumber();
+    }
+
     /**
      * returns last inserted auto_increment id for given $link
      */
diff --git a/src/Dbal/DbiExtension.php b/src/Dbal/DbiExtension.php
index 2c7e4ad33b..dc0f9bc08c 100644
--- a/src/Dbal/DbiExtension.php
+++ b/src/Dbal/DbiExtension.php
@@ -20,7 +20,7 @@ interface DbiExtension
      *
      * @throws ConnectionException
      */
-    public function connect(Server $server): Connection|null;
+    public function connect(Server $server): Connection;
 
     /**
      * selects given database
@@ -74,6 +74,11 @@ interface DbiExtension
      */
     public function getError(Connection $connection): string;
 
+    /**
+     * Returns the error code for the most recent connection attempt.
+     */
+    public function getConnectionErrorNumber(): int;
+
     /**
      * returns the number of rows affected by last query
      *
diff --git a/src/Dbal/DbiMysqli.php b/src/Dbal/DbiMysqli.php
index 3965544ca6..17a31f6e45 100644
--- a/src/Dbal/DbiMysqli.php
+++ b/src/Dbal/DbiMysqli.php
@@ -16,8 +16,8 @@ use PhpMyAdmin\Query\Utilities;
 
 use function __;
 use function defined;
+use function mysqli_connect_errno;
 use function mysqli_get_client_info;
-use function mysqli_init;
 use function mysqli_report;
 use function sprintf;
 use function str_contains;
@@ -39,15 +39,11 @@ use const MYSQLI_USE_RESULT;
  */
 class DbiMysqli implements DbiExtension
 {
-    public function connect(Server $server): Connection|null
+    public function connect(Server $server): Connection
     {
         mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
 
-        $mysqli = mysqli_init();
-
-        if ($mysqli === false) {
-            return null;
-        }
+        $mysqli = new mysqli();
 
         $clientFlags = 0;
 
@@ -254,6 +250,14 @@ class DbiMysqli implements DbiExtension
         return Utilities::formatError($errorNumber, $errorMessage);
     }
 
+    /**
+     * Returns the error code for the most recent connection attempt.
+     */
+    public function getConnectionErrorNumber(): int
+    {
+        return mysqli_connect_errno();
+    }
+
     /**
      * returns the number of rows affected by last query
      *
diff --git a/src/Error/Error.php b/src/Error/Error.php
index a750701ff9..afe97ca957 100644
--- a/src/Error/Error.php
+++ b/src/Error/Error.php
@@ -326,6 +326,10 @@ class Error extends Message
      */
     public static function formatBacktrace(array $backtrace): string
     {
+        if ($backtrace === []) {
+            return '';
+        }
+
         $retval = '<ol class="list-group">';
 
         foreach ($backtrace as $step) {
diff --git a/src/Error/ErrorHandler.php b/src/Error/ErrorHandler.php
index 82bcb31329..bf3c52a0e6 100644
--- a/src/Error/ErrorHandler.php
+++ b/src/Error/ErrorHandler.php
@@ -197,34 +197,24 @@ class ErrorHandler
         string $errfile,
         int $errline,
     ): bool {
-        if (function_exists('error_reporting')) {
-            /**
-             * Check if Error Control Operator (@) was used, but still show
-             * user errors even in this case.
-             * See: https://github.com/phpmyadmin/phpmyadmin/issues/16729
-             */
-            $isSilenced = (error_reporting() & $errno) === 0;
-
-            $config = Config::getInstance();
-            if (
-                $config->config->environment === 'development'
-                && ! $isSilenced
-            ) {
-                throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
-            }
-
-            if (
-                $isSilenced &&
-                $this->errorReporting != 0 &&
-                ($errno & (E_USER_WARNING | E_USER_ERROR | E_USER_NOTICE | E_USER_DEPRECATED)) === 0
-            ) {
-                return false;
-            }
-        } elseif (($errno & (E_USER_WARNING | E_USER_ERROR | E_USER_NOTICE | E_USER_DEPRECATED)) === 0) {
+        if (! function_exists('error_reporting')) {
             return false;
         }
 
-        $this->addError($errstr, $errno, $errfile, $errline);
+        /**
+         * Check if Error Control Operator (@) was used.
+         * See: https://github.com/phpmyadmin/phpmyadmin/issues/16729
+         */
+        $isSilenced = (error_reporting() & $errno) === 0;
+
+        $config = Config::getInstance();
+        if ($config->config->environment === 'development' && ! $isSilenced) {
+            throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
+        }
+
+        if (! $isSilenced || $this->errorReporting === 0) {
+            $this->addError($errstr, $errno, $errfile, $errline);
+        }
 
         return false;
     }
@@ -314,6 +304,30 @@ class ErrorHandler
         }
     }
 
+    public function addUserError(string $message, bool $escape = true): void
+    {
+        // The file name and line number are not relevant for user errors
+        $error = new Error(
+            E_USER_WARNING,
+            $escape ? htmlspecialchars($message) : $message,
+            __FILE__,
+            __LINE__,
+        );
+        $this->errors[$error->getHash()] = $error;
+    }
+
+    public function addNotice(string $message, bool $escape = true): void
+    {
+        // The file name and line number are not relevant for user errors
+        $error = new Error(
+            E_USER_NOTICE,
+            $escape ? htmlspecialchars($message) : $message,
+            __FILE__,
+            __LINE__,
+        );
+        $this->errors[$error->getHash()] = $error;
+    }
+
     /**
      * display fatal error and exit
      *
diff --git a/src/Navigation/NavigationTree.php b/src/Navigation/NavigationTree.php
index 1235add74a..cb580fe280 100644
--- a/src/Navigation/NavigationTree.php
+++ b/src/Navigation/NavigationTree.php
@@ -12,6 +12,7 @@ use PhpMyAdmin\ConfigStorage\Relation;
 use PhpMyAdmin\ConfigStorage\RelationParameters;
 use PhpMyAdmin\Current;
 use PhpMyAdmin\Dbal\DatabaseInterface;
+use PhpMyAdmin\Error\ErrorHandler;
 use PhpMyAdmin\Favorites\RecentFavoriteTables;
 use PhpMyAdmin\Favorites\TableType;
 use PhpMyAdmin\Html\Generator;
@@ -67,12 +68,9 @@ use function strnatcasecmp;
 use function strrpos;
 use function strstr;
 use function substr;
-use function trigger_error;
 use function trim;
 use function usort;
 
-use const E_USER_WARNING;
-
 /**
  * Displays a collapsible of database objects in the navigation frame
  */
@@ -739,13 +737,12 @@ class NavigationTree
         foreach ($prefixes as $key => $value) {
             // warn about large groups
             if ($value > 500 && ! $this->largeGroupWarning) {
-                trigger_error(
+                ErrorHandler::getInstance()->addUserError(
                     __(
                         'There are large item groups in navigation panel which '
                         . 'may affect the performance. Consider disabling item '
                         . 'grouping in the navigation panel.',
                     ),
-                    E_USER_WARNING,
                 );
                 $this->largeGroupWarning = true;
             }
diff --git a/src/Plugins/Auth/AuthenticationConfig.php b/src/Plugins/Auth/AuthenticationConfig.php
index 3a37360b75..7f48a6ec82 100644
--- a/src/Plugins/Auth/AuthenticationConfig.php
+++ b/src/Plugins/Auth/AuthenticationConfig.php
@@ -11,7 +11,6 @@ use PhpMyAdmin\Config;
 use PhpMyAdmin\Dbal\DatabaseInterface;
 use PhpMyAdmin\Error\ErrorHandler;
 use PhpMyAdmin\Exceptions\AuthenticationFailure;
-use PhpMyAdmin\Html\Generator;
 use PhpMyAdmin\Http\Response;
 use PhpMyAdmin\Plugins\AuthenticationPlugin;
 use PhpMyAdmin\ResponseRenderer;
@@ -23,10 +22,6 @@ use function count;
 use function ob_get_clean;
 use function ob_start;
 use function sprintf;
-use function trigger_error;
-
-use const E_USER_NOTICE;
-use const E_USER_WARNING;
 
 /**
  * Handles the config authentication method
@@ -70,11 +65,8 @@ class AuthenticationConfig extends AuthenticationPlugin
     public function showFailure(AuthenticationFailure $failure): Response
     {
         $this->logFailure($failure);
-
-        $connError = DatabaseInterface::getInstance()->getError();
-        if ($connError === '' || $connError === '0') {
-            $connError = __('Cannot connect: invalid settings.');
-        }
+        $dbi = DatabaseInterface::getInstance();
+        $errorHandler = ErrorHandler::getInstance();
 
         /* HTML header */
         $responseRenderer = ResponseRenderer::getInstance();
@@ -97,7 +89,7 @@ class AuthenticationConfig extends AuthenticationPlugin
             <td>';
         $config = Config::getInstance();
         if ($failure->failureType === AuthenticationFailure::ALLOW_DENIED) {
-            trigger_error($failure->getMessage(), E_USER_NOTICE);
+            $errorHandler->addNotice($failure->getMessage());
         } else {
             // Check whether user has configured something
             if ($config->sourceMtime == 0) {
@@ -110,11 +102,7 @@ class AuthenticationConfig extends AuthenticationPlugin
                     '<a href="setup/">',
                     '</a>',
                 ) , '</p>' , "\n";
-            } elseif (
-                DatabaseInterface::$errorNumber === null
-                || DatabaseInterface::$errorNumber !== 2002
-                && DatabaseInterface::$errorNumber !== 2003
-            ) {
+            } elseif ($dbi->getConnectionErrorNumber() !== 2002 && $dbi->getConnectionErrorNumber() !== 2003) {
                 // if we display the "Server not responding" error, do not confuse
                 // users by telling them they have a settings problem
                 // (note: it's true that they could have a badly typed host name,
@@ -122,7 +110,7 @@ class AuthenticationConfig extends AuthenticationPlugin
                 //  rejected the connection, which is not really what happened)
                 // 2002 is the error given by mysqli
                 // 2003 is the error given by mysql
-                trigger_error(
+                $errorHandler->addUserError(
                     __(
                         'phpMyAdmin tried to connect to the MySQL server, and the'
                         . ' server rejected the connection. You should check the'
@@ -130,14 +118,11 @@ class AuthenticationConfig extends AuthenticationPlugin
                         . ' make sure that they correspond to the information given'
                         . ' by the administrator of the MySQL server.',
                     ),
-                    E_USER_WARNING,
                 );
             }
-
-            echo Generator::mysqlDie($connError, '', true, '', false);
         }
 
-        ErrorHandler::getInstance()->dispUserErrors();
+        $errorHandler->dispUserErrors();
         echo '</td>
         </tr>
         <tr>
diff --git a/src/Plugins/Export/ExportSql.php b/src/Plugins/Export/ExportSql.php
index 0f7860ac04..d7db94927a 100644
--- a/src/Plugins/Export/ExportSql.php
+++ b/src/Plugins/Export/ExportSql.php
@@ -15,6 +15,7 @@ use PhpMyAdmin\Database\Events;
 use PhpMyAdmin\Database\Routines;
 use PhpMyAdmin\Dbal\ConnectionType;
 use PhpMyAdmin\Dbal\DatabaseInterface;
+use PhpMyAdmin\Exceptions\ExportException;
 use PhpMyAdmin\Export\Export;
 use PhpMyAdmin\Export\StructureOrData;
 use PhpMyAdmin\Http\ServerRequest;
@@ -44,7 +45,6 @@ use PhpMyAdmin\Version;
 use function __;
 use function array_keys;
 use function bin2hex;
-use function defined;
 use function explode;
 use function implode;
 use function in_array;
@@ -62,9 +62,7 @@ use function str_contains;
 use function str_repeat;
 use function str_replace;
 use function strtoupper;
-use function trigger_error;
 
-use const E_USER_ERROR;
 use const PHP_VERSION;
 
 /**
@@ -1420,11 +1418,8 @@ class ExportSql extends ExportPlugin
         if ($tmpError !== '') {
             $message = sprintf(__('Error reading structure for table %s:'), $db . '.' . $table);
             $message .= ' ' . $tmpError;
-            if (! defined('TESTSUITE')) {
-                trigger_error($message, E_USER_ERROR);
-            }
 
-            return $this->exportComment($message);
+            throw new ExportException($message);
         }
 
         // Old mode is stored so it can be restored once exporting is done.
@@ -2053,13 +2048,8 @@ class ExportSql extends ExportPlugin
         if ($tmpError !== '') {
             $message = sprintf(__('Error reading data for table %s:'), $db . '.' . $table);
             $message .= ' ' . $tmpError;
-            if (! defined('TESTSUITE')) {
-                trigger_error($message, E_USER_ERROR);
-            }
 
-            return $this->export->outputHandler(
-                $this->exportComment($message),
-            );
+            throw new ExportException($message);
         }
 
         if ($result === false) {
diff --git a/src/Routing/Routing.php b/src/Routing/Routing.php
index f4e7a82e33..052cd5d846 100644
--- a/src/Routing/Routing.php
+++ b/src/Routing/Routing.php
@@ -18,6 +18,7 @@ use PhpMyAdmin\Controllers\Setup\ShowConfigController;
 use PhpMyAdmin\Controllers\Setup\ValidateController;
 use PhpMyAdmin\Core;
 use PhpMyAdmin\Current;
+use PhpMyAdmin\Error\ErrorHandler;
 use PhpMyAdmin\Http\Factory\ResponseFactory;
 use PhpMyAdmin\Http\Response;
 use PhpMyAdmin\Http\ServerRequest;
@@ -42,12 +43,10 @@ use function mb_strrpos;
 use function mb_substr;
 use function rawurldecode;
 use function sprintf;
-use function trigger_error;
 use function urldecode;
 use function var_export;
 
 use const CACHE_DIR;
-use const E_USER_WARNING;
 
 /**
  * Class used to warm up the routing cache and manage routing.
@@ -119,7 +118,7 @@ class Routing
                 && ! self::writeCache(sprintf('<?php return %s;', var_export($dispatchData, true)))
             ) {
                 $_SESSION['isRoutesCacheFileValid'] = false;
-                trigger_error(
+                ErrorHandler::getInstance()->addUserError(
                     sprintf(
                         __(
                             'The routing cache could not be written, '
@@ -127,7 +126,6 @@ class Routing
                         ),
                         self::ROUTES_CACHE_FILE,
                     ),
-                    E_USER_WARNING,
                 );
             }
         }
diff --git a/tests/unit/Plugins/Auth/AuthenticationConfigTest.php b/tests/unit/Plugins/Auth/AuthenticationConfigTest.php
index 475448d413..1e6788958d 100644
--- a/tests/unit/Plugins/Auth/AuthenticationConfigTest.php
+++ b/tests/unit/Plugins/Auth/AuthenticationConfigTest.php
@@ -108,17 +108,6 @@ class AuthenticationConfigTest extends AbstractTestCase
             $html,
         );
 
-        self::assertStringContainsString(
-            '<strong>MySQL said: </strong><a href="index.php?route=/url&url=https%3A%2F%2F' .
-            'dev.mysql.com%2Fdoc%2Frefman%2F5.5%2Fen%2Fserver-error-reference.html"' .
-            ' target="mysql_doc">' .
-            '<img src="themes/dot.gif" title="Documentation" alt="Documentation" ' .
-            'class="icon ic_b_help"></a>',
-            $html,
-        );
-
-        self::assertStringContainsString('Cannot connect: invalid settings.', $html);
-
         self::assertStringContainsString(
             '<a href="index.php?route=/&server=2&lang=en" '
             . 'class="btn btn-primary mt-1 mb-1 disableAjax">Retry to connect</a>',
diff --git a/tests/unit/Plugins/Export/ExportSqlTest.php b/tests/unit/Plugins/Export/ExportSqlTest.php
index 8b4b3a1b8c..695b2053a1 100644
--- a/tests/unit/Plugins/Export/ExportSqlTest.php
+++ b/tests/unit/Plugins/Export/ExportSqlTest.php
@@ -11,6 +11,7 @@ use PhpMyAdmin\ConfigStorage\RelationParameters;
 use PhpMyAdmin\Current;
 use PhpMyAdmin\Dbal\ConnectionType;
 use PhpMyAdmin\Dbal\DatabaseInterface;
+use PhpMyAdmin\Exceptions\ExportException;
 use PhpMyAdmin\Export\Export;
 use PhpMyAdmin\Http\Factory\ServerRequestFactory;
 use PhpMyAdmin\Plugins\Export\ExportSql;
@@ -855,11 +856,13 @@ SQL;
 
         $this->object->setExportOptions($request, []);
 
-        $result = $this->object->getTableDef('db', 'table', true, false);
+        $this->expectException(ExportException::class);
+        $this->expectExceptionMessage('Error reading structure for table db.table: error occurred');
+
+        $this->object->getTableDef('db', 'table', true, false);
 
         $dbiDummy->assertAllQueriesConsumed();
         $dbiDummy->assertAllErrorCodesConsumed();
-        self::assertStringContainsString('-- Error reading structure for table db.table: error occurred', $result);
     }
 
     public function testGetTableComments(): void
@@ -1257,15 +1260,12 @@ SQL;
 
         $this->object->setExportOptions($request, []);
 
-        ob_start();
+        $this->expectException(ExportException::class);
+        $this->expectExceptionMessage('Error reading data for table db.table: err');
+
         self::assertTrue(
             $this->object->exportData('db', 'table', 'SELECT'),
         );
-        $result = ob_get_clean();
-
-        self::assertIsString($result);
-
-        self::assertStringContainsString('-- Error reading data for table db.table: err', $result);
     }
 
     public function testMakeCreateTableMSSQLCompatible(): void
diff --git a/tests/unit/Stubs/DbiDummy.php b/tests/unit/Stubs/DbiDummy.php
index 7b8870d751..659451e351 100644
--- a/tests/unit/Stubs/DbiDummy.php
+++ b/tests/unit/Stubs/DbiDummy.php
@@ -253,6 +253,14 @@ class DbiDummy implements DbiExtension
         return array_shift($this->fifoErrorCodes) ?? '';
     }
 
+    /**
+     * Returns the error code for the most recent connection attempt.
+     */
+    public function getConnectionErrorNumber(): int
+    {
+        return 0;
+    }
+
     /**
      * returns the number of rows affected by last query
      *