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<?php
/**
* Query Monitor plugin for WordPress
*
* @package query-monitor
* @link https://github.com/johnbillion/query-monitor
* @author John Blackbourn
* @copyright 2009-2025 John Blackbourn
* @license GPL v2 or later
*
* Plugin Name: Query Monitor
* Description: The developer tools panel for WordPress.
* Version: 3.19.0
* Plugin URI: https://querymonitor.com/
* Author: John Blackbourn
* Author URI: https://querymonitor.com/
* Text Domain: query-monitor
* Domain Path: /languages/
* Requires at least: 6.0
* Requires PHP: 7.4
* License URI: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* License: GPL v2 or later
*
* 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 2 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.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
define( 'QM_VERSION', '3.19.0' );
// This must be required before vendor/autoload.php so QM can serve its own message about PHP compatibility.
require_once __DIR__ . '/classes/PHP.php';
if ( ! QM_PHP::version_met() ) {
add_action( 'all_admin_notices', 'QM_PHP::php_version_nope' );
return;
}
if ( ! file_exists( __DIR__ . '/vendor/autoload.php' ) ) {
add_action( 'all_admin_notices', 'QM_PHP::vendor_nope' );
return;
}
require_once __DIR__ . '/vendor/autoload.php';
// Safety check to ensure the autoloader is operational.
if ( ! class_exists( 'QM_Activation' ) ) {
return;
}
QM_Activation::init( __FILE__ );
if ( defined( 'WP_CLI' ) && WP_CLI ) {
QM_CLI::init( __FILE__ );
}
if ( defined( 'QM_DISABLED' ) && QM_DISABLED ) {
return;
}
if ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) {
return;
}
if ( 'cli' === php_sapi_name() && ! defined( 'QM_TESTS' ) ) {
# For the time being, let's not load QM when using the CLI because we've no persistent storage and no means of
# outputting collected data on the CLI. This will hopefully change in a future version of QM.
return;
}
if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
# Let's not load QM during cron events for the same reason as above.
return;
}
# Don't load QM during plugin updates to prevent function signature changes causing issues between versions.
if ( is_admin() ) {
if ( isset( $_GET['action'] ) && 'upgrade-plugin' === $_GET['action'] ) {
return;
}
if ( isset( $_POST['action'] ) && 'update-plugin' === $_POST['action'] ) {
return;
}
}
QueryMonitor::init( __FILE__ )->set_up();
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