Changeset 56475 for trunk/src/wp-admin/includes/class-wp-debug-data.php

Timestamp:

08/26/2023 01:01:05 PM (13 months ago)

Author:

johnbillion

Message:

Database: Remove support for the mysql extension.

The mysql extension is no longer used in PHP 7 or above. There's a good amount of conditional code in wpdb and the health checks that can be removed now that only the mysqli functions are used.

Fixes #59118

File:

• trunk/src/wp-admin/includes/class-wp-debug-data.php (modified) (2 diffs)

trunk/src/wp-admin/includes/class-wp-debug-data.php

@@ -856 +856 @@
 
         // Populate the database debug fields.
-        if ( is_resource( $wpdb->dbh ) ) {
-            // Old mysql extension.
-            $extension = 'mysql';
-        } elseif ( is_object( $wpdb->dbh ) ) {
+        if ( is_object( $wpdb->dbh ) ) {
             // mysqli or PDO.
             $extension = get_class( $wpdb->dbh );
@@ -869 +866 @@
         $server = $wpdb->get_var( 'SELECT VERSION()' );
 
-        if ( isset( $wpdb->use_mysqli ) && $wpdb->use_mysqli ) {
-            $client_version = $wpdb->dbh->client_info;
-        } else {
-            // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_client_info,PHPCompatibility.Extensions.RemovedExtensions.mysql_DeprecatedRemoved
-            if ( preg_match( '|[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}|', mysql_get_client_info(), $matches ) ) {
-                $client_version = $matches[0];
-            } else {
-                $client_version = null;
-            }
-        }
+        $client_version = $wpdb->dbh->client_info;
 
         $info['wp-database']['fields']['extension'] = array(