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Editing: class-ai1wm-database-mysqli.php

<?php
/**
 * Copyright (C) 2014-2025 ServMask Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Attribution: This code is part of the All-in-One WP Migration plugin, developed by
 *
 * ███████╗███████╗██████╗ ██╗   ██╗███╗   ███╗ █████╗ ███████╗██╗  ██╗
 * ██╔════╝██╔════╝██╔══██╗██║   ██║████╗ ████║██╔══██╗██╔════╝██║ ██╔╝
 * ███████╗█████╗  ██████╔╝██║   ██║██╔████╔██║███████║███████╗█████╔╝
 * ╚════██║██╔══╝  ██╔══██╗╚██╗ ██╔╝██║╚██╔╝██║██╔══██║╚════██║██╔═██╗
 * ███████║███████╗██║  ██║ ╚████╔╝ ██║ ╚═╝ ██║██║  ██║███████║██║  ██╗
 * ╚══════╝╚══════╝╚═╝  ╚═╝  ╚═══╝  ╚═╝     ╚═╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( 'Kangaroos cannot jump here' );
}

class Ai1wm_Database_Mysqli extends Ai1wm_Database {

/**
	 * Check whether table has auto increment attribute
	 *
	 * @param  string  $table_name Table name
	 * @return boolean
	 */
	public function has_auto_increment( $table_name ) {
		return stripos( $this->get_create_table( $table_name ), 'AUTO_INCREMENT' ) !== false;
	}

/**
	 * Run MySQL query
	 *
	 * @param  string $input SQL query
	 * @return mixed
	 */
	public function query( $input ) {
		if ( ! mysqli_real_query( $this->wpdb->dbh, $input ) ) {
			$mysqli_errno = 0;

// Get MySQL error code
			if ( ! empty( $this->wpdb->dbh ) ) {
				if ( $this->wpdb->dbh instanceof mysqli ) {
					$mysqli_errno = mysqli_errno( $this->wpdb->dbh );
				} else {
					$mysqli_errno = 2006;
				}
			}

// MySQL server has gone away, try to reconnect
			if ( empty( $this->wpdb->dbh ) || 2006 === $mysqli_errno ) {
				if ( ! $this->wpdb->check_connection( false ) ) {
					throw new Ai1wm_Database_Exception( __( 'Error reconnecting to the database. <a href="https://help.servmask.com/knowledgebase/mysql-error-reconnecting/" target="_blank">Technical details</a>', 'all-in-one-wp-migration' ), 503 );
				}

mysqli_real_query( $this->wpdb->dbh, $input );
			}
		}

// The parameter $mode has had no effect as of PHP 8.1.0.
		if ( ( PHP_MAJOR_VERSION >= 8 && PHP_MINOR_VERSION >= 1 ) || ! defined( 'MYSQLI_STORE_RESULT_COPY_DATA' ) ) {
			return mysqli_store_result( $this->wpdb->dbh );
		}

// Copy results from the internal mysqlnd buffer into the PHP variables fetched
		return mysqli_store_result( $this->wpdb->dbh, MYSQLI_STORE_RESULT_COPY_DATA );
	}

/**
	 * Escape string input for MySQL query
	 *
	 * @param  string $input String to escape
	 * @return string
	 */
	public function escape( $input ) {
		return mysqli_real_escape_string( $this->wpdb->dbh, $input );
	}

/**
	 * Return the error code for the most recent function call
	 *
	 * @return integer
	 */
	public function errno() {
		return mysqli_errno( $this->wpdb->dbh );
	}

/**
	 * Return a string description of the last error
	 *
	 * @return string
	 */
	public function error() {
		return mysqli_error( $this->wpdb->dbh );
	}

/**
	 * Return server info
	 *
	 * @return string
	 */
	public function server_info() {
		return mysqli_get_server_info( $this->wpdb->dbh );
	}

/**
	 * Return the result from MySQL query as associative array
	 *
	 * @param  mixed $result MySQL resource
	 * @return array
	 */
	public function fetch_assoc( &$result ) {
		if ( $result === false ) {
			return false;
		}

return mysqli_fetch_assoc( $result );
	}

/**
	 * Return the result from MySQL query as row
	 *
	 * @param  mixed $result MySQL resource
	 * @return array
	 */
	public function fetch_row( &$result ) {
		if ( $result === false ) {
			return false;
		}

return mysqli_fetch_row( $result );
	}

/**
	 * Return the number for rows from MySQL results
	 *
	 * @param  mixed $result MySQL resource
	 * @return integer
	 */
	public function num_rows( &$result ) {
		if ( $result === false ) {
			return 0;
		}

return mysqli_num_rows( $result );
	}

/**
	 * Free MySQL result memory
	 *
	 * @param  mixed $result MySQL resource
	 * @return boolean
	 */
	public function free_result( &$result ) {
		if ( $result === false ) {
			return true;
		}

return mysqli_free_result( $result );
	}
}