<?php

/**

 * WordPress AJAX Process Execution.

 *

 * @package WordPress

 * @subpackage Administration

 *

 */

/**

 * Executing AJAX process.

 *

 * @since 2.1.0

 */

define( 'DOING_AJAX', true );

/** Load WordPress Bootstrap */

require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );

/** Allow for cross-domain requests (from the frontend). */

send_origin_headers();

// Require an action parameter

if ( empty( $_REQUEST['action'] ) )

	die( '0' );

/** Load WordPress Administration APIs */

require_once( ABSPATH . 'wp-admin/includes/admin.php' );

/** Load Ajax Handlers for WordPress Core */

require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );

@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );

@header( 'X-Robots-Tag: noindex' );

send_nosniff_header();

nocache_headers();

/** This action is documented in wp-admin/admin.php */

do_action( 'admin_init' );

$core_actions_get = array(

	'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache',

	'autocomplete-user', 'dashboard-widgets', 'logged-in',

);

$core_actions_post = array(

	'oembed-cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',

	'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',

	'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',

	'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',

	'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',

	'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',

	'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',

	'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',

	'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',

	'send-attachment-to-editor', 'save-attachment-order', 'heartbeat', 'get-revision-diffs',

);

// Register core Ajax calls.

if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get ) )

	add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );

if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post ) )

	add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );

add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );

if ( is_user_logged_in() ) {

	/**

	 * Fires authenticated AJAX actions for logged-in users.

	 *

	 * refers to the name of the AJAX action callback being fired.

	 *

	 * @since 2.1.0

	 */

	do_action( 'wp_ajax_' . $_REQUEST['action'] );

} else {

	/**

	 * Fires non-authenticated AJAX actions for logged-out users.

	 *

	 * refers to the name of the AJAX action callback being fired.

	 *

	 * @since 2.8.0

	 */

	do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );

}

// Default status

die( '0' );