Ticket #47738: 47738.patch

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

@@ -705 +705 @@
                         $extension = null;
                 }
 
-                /*
-                 * Check what database engine is used, this will throw compatibility
-                 * warnings from PHP compatibility testers, but `mysql_*` is
-                 * still valid in PHP 5.6, so we need to account for that.
-                 */
-                if ( method_exists( $wpdb, 'db_version' ) ) {
-                        if ( $wpdb->use_mysqli ) {
-                                // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysqli_get_server_info
-                                $server = mysqli_get_server_info( $wpdb->dbh );
-                        } else {
-                                // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_server_info
-                                $server = mysql_get_server_info( $wpdb->dbh );
-                        }
-                } else {
-                        $server = null;
-                }
+                $server = $wpdb->db_version();
 
                 if ( isset( $wpdb->use_mysqli ) && $wpdb->use_mysqli ) {
                         $client_version = $wpdb->dbh->client_info;

src/wp-admin/includes/class-wp-site-health.php

@@ -130 +130 @@
                                 $mysql_server_type = mysql_get_server_info( $wpdb->dbh );
                         }
 
-                        $this->mysql_server_version = $wpdb->get_var( 'SELECT VERSION()' );
+                        $this->mysql_server_version = $wpdb->db_version();
                 }
 
                 $this->health_check_mysql_rec_version = '5.6';