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Direktori : /var/www/knwn/wp-content/plugins/query-monitor/dispatchers/ |
Current File : /var/www/knwn/wp-content/plugins/query-monitor/dispatchers/AJAX.php |
<?php /** * Ajax request dispatcher. * * @package query-monitor */ if ( ! defined( 'ABSPATH' ) ) { exit; } class QM_Dispatcher_AJAX extends QM_Dispatcher { public $id = 'ajax'; public function __construct( QM_Plugin $qm ) { parent::__construct( $qm ); // This dispatcher needs to run on a priority lower than 1 so it can output // its headers before wp_ob_end_flush_all() flushes all the output buffers: // https://github.com/WordPress/wordpress-develop/blob/0a3a3c5119897c6d551a42ae9b5dbfa4f576f2c9/src/wp-includes/default-filters.php#L382 add_action( 'shutdown', array( $this, 'dispatch' ), 0 ); } /** * @return void */ public function init() { if ( ! self::user_can_view() ) { return; } if ( QM_Util::is_ajax() ) { // Start an output buffer for Ajax requests so headers can be output at the end: ob_start(); } parent::init(); } /** * @return void */ public function dispatch() { if ( ! $this->should_dispatch() ) { return; } $this->before_output(); foreach ( $this->get_outputters( 'headers' ) as $id => $output ) { $output->output(); } $this->after_output(); } /** * @return void */ protected function before_output() { require_once $this->qm->plugin_path( 'output/Headers.php' ); foreach ( glob( $this->qm->plugin_path( 'output/headers/*.php' ) ) as $file ) { require_once $file; } } /** * @return void */ protected function after_output() { # flush once, because we're nice if ( ob_get_length() ) { ob_flush(); } } /** * @return bool */ public function is_active() { if ( ! QM_Util::is_ajax() ) { return false; } if ( ! self::user_can_view() ) { return false; } # If the headers have already been sent then we can't do anything about it if ( headers_sent() ) { return false; } # Don't process if the minimum required actions haven't fired: if ( is_admin() ) { if ( ! did_action( 'admin_init' ) ) { return false; } } else { if ( ! did_action( 'wp' ) ) { return false; } } return true; } } /** * @param array<string, QM_Dispatcher> $dispatchers * @param QM_Plugin $qm * @return array<string, QM_Dispatcher> */ function register_qm_dispatcher_ajax( array $dispatchers, QM_Plugin $qm ) { $dispatchers['ajax'] = new QM_Dispatcher_AJAX( $qm ); return $dispatchers; } add_filter( 'qm/dispatchers', 'register_qm_dispatcher_ajax', 10, 2 );