]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-admin/admin-ajax.php
WordPress 4.2.3
[autoinstalls/wordpress.git] / wp-admin / admin-ajax.php
index a7e0b48dd0ba100529d901b299c82f0d32e94670..752da778f040315bb7f99d4ee0114062005c713e 100644 (file)
@@ -4,6 +4,8 @@
  *
  * @package WordPress
  * @subpackage Administration
+ *
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
  */
 
 /**
  *
  * @since 2.1.0
  */
-define('DOING_AJAX', true);
-define('WP_ADMIN', true);
-
-if ( ! isset( $_REQUEST['action'] ) )
-       die('-1');
-
-require_once('../wp-load.php');
-
-require_once('./includes/admin.php');
-@header('Content-Type: text/html; charset=' . get_option('blog_charset'));
-send_nosniff_header();
-
-do_action('admin_init');
-
-if ( ! is_user_logged_in() ) {
-
-       if ( isset( $_POST['action'] ) && $_POST['action'] == 'autosave' ) {
-               $id = isset($_POST['post_ID'])? (int) $_POST['post_ID'] : 0;
-
-               if ( ! $id )
-                       die('-1');
-
-               $message = sprintf( __('<strong>ALERT: You are logged out!</strong> Could not save draft. <a href="%s" target="_blank">Please log in again.</a>'), wp_login_url() );
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'autosave',
-                       'id' => $id,
-                       'data' => $message
-               ) );
-               $x->send();
-       }
-
-       if ( !empty( $_REQUEST['action'] ) )
-               do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );
-
-       die('-1');
+define( 'DOING_AJAX', true );
+if ( ! defined( 'WP_ADMIN' ) ) {
+       define( 'WP_ADMIN', true );
 }
 
-if ( isset( $_GET['action'] ) ) :
-switch ( $action = $_GET['action'] ) :
-case 'fetch-list' :
-
-       $list_class = $_GET['list_args']['class'];
-       check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' );
-
-       $current_screen = (object) $_GET['list_args']['screen'];
-       //TODO fix this in a better way see #15336
-       $current_screen->is_network = 'false' === $current_screen->is_network ? false : true;
-       $current_screen->is_user = 'false' === $current_screen->is_user ? false : true;
-
-       define( 'WP_NETWORK_ADMIN', $current_screen->is_network );
-       define( 'WP_USER_ADMIN', $current_screen->is_user );
-
-       $wp_list_table = _get_list_table( $list_class );
-       if ( ! $wp_list_table )
-               die( '0' );
+/** Load WordPress Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
-       if ( ! $wp_list_table->ajax_user_can() )
-               die( '-1' );
-
-       $wp_list_table->ajax_response();
+/** Allow for cross-domain requests (from the frontend). */
+send_origin_headers();
 
+// Require an action parameter
+if ( empty( $_REQUEST['action'] ) )
        die( '0' );
-       break;
-case 'ajax-tag-search' :
-       if ( isset( $_GET['tax'] ) ) {
-               $taxonomy = sanitize_key( $_GET['tax'] );
-               $tax = get_taxonomy( $taxonomy );
-               if ( ! $tax )
-                       die( '0' );
-               if ( ! current_user_can( $tax->cap->assign_terms ) )
-                       die( '-1' );
-       } else {
-               die('0');
-       }
-
-       $s = stripslashes( $_GET['q'] );
-
-       if ( false !== strpos( $s, ',' ) ) {
-               $s = explode( ',', $s );
-               $s = $s[count( $s ) - 1];
-       }
-       $s = trim( $s );
-       if ( strlen( $s ) < 2 )
-               die; // require 2 chars for matching
-
-       $results = $wpdb->get_col( $wpdb->prepare( "SELECT t.name FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.name LIKE (%s)", $taxonomy, '%' . like_escape( $s ) . '%' ) );
-
-       echo join( $results, "\n" );
-       die;
-       break;
-case 'wp-compression-test' :
-       if ( !current_user_can( 'manage_options' ) )
-               die('-1');
-
-       if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') ) {
-               update_site_option('can_compress_scripts', 0);
-               die('0');
-       }
-
-       if ( isset($_GET['test']) ) {
-               header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
-               header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
-               header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
-               header( 'Pragma: no-cache' );
-               header('Content-Type: application/x-javascript; charset=UTF-8');
-               $force_gzip = ( defined('ENFORCE_GZIP') && ENFORCE_GZIP );
-               $test_str = '"wpCompressionTest Lorem ipsum dolor sit amet consectetuer mollis sapien urna ut a. Eu nonummy condimentum fringilla tempor pretium platea vel nibh netus Maecenas. Hac molestie amet justo quis pellentesque est ultrices interdum nibh Morbi. Cras mattis pretium Phasellus ante ipsum ipsum ut sociis Suspendisse Lorem. Ante et non molestie. Porta urna Vestibulum egestas id congue nibh eu risus gravida sit. Ac augue auctor Ut et non a elit massa id sodales. Elit eu Nulla at nibh adipiscing mattis lacus mauris at tempus. Netus nibh quis suscipit nec feugiat eget sed lorem et urna. Pellentesque lacus at ut massa consectetuer ligula ut auctor semper Pellentesque. Ut metus massa nibh quam Curabitur molestie nec mauris congue. Volutpat molestie elit justo facilisis neque ac risus Ut nascetur tristique. Vitae sit lorem tellus et quis Phasellus lacus tincidunt nunc Fusce. Pharetra wisi Suspendisse mus sagittis libero lacinia Integer consequat ac Phasellus. Et urna ac cursus tortor aliquam Aliquam amet tellus volutpat Vestibulum. Justo interdum condimentum In augue congue tellus sollicitudin Quisque quis nibh."';
-
-                if ( 1 == $_GET['test'] ) {
-                       echo $test_str;
-                       die;
-                } elseif ( 2 == $_GET['test'] ) {
-                       if ( !isset($_SERVER['HTTP_ACCEPT_ENCODING']) )
-                               die('-1');
-                       if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
-                               header('Content-Encoding: deflate');
-                               $out = gzdeflate( $test_str, 1 );
-                       } elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
-                               header('Content-Encoding: gzip');
-                               $out = gzencode( $test_str, 1 );
-                       } else {
-                               die('-1');
-                       }
-                       echo $out;
-                       die;
-               } elseif ( 'no' == $_GET['test'] ) {
-                       update_site_option('can_compress_scripts', 0);
-               } elseif ( 'yes' == $_GET['test'] ) {
-                       update_site_option('can_compress_scripts', 1);
-               }
-       }
 
-       die('0');
-       break;
-case 'imgedit-preview' :
-       $post_id = intval($_GET['postid']);
-       if ( empty($post_id) || !current_user_can('edit_post', $post_id) )
-               die('-1');
+/** Load WordPress Administration APIs */
+require_once( ABSPATH . 'wp-admin/includes/admin.php' );
 
-       check_ajax_referer( "image_editor-$post_id" );
+/** Load Ajax Handlers for WordPress Core */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
 
-       include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
-       if ( ! stream_preview_image($post_id) )
-               die('-1');
+@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+@header( 'X-Robots-Tag: noindex' );
 
-       die();
-       break;
-case 'menu-quick-search':
-       if ( ! current_user_can( 'edit_theme_options' ) )
-               die('-1');
-
-       require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
-
-       _wp_ajax_menu_quick_search( $_REQUEST );
-
-       exit;
-       break;
-case 'oembed-cache' :
-       $return = ( $wp_embed->cache_oembed( $_GET['post'] ) ) ? '1' : '0';
-       die( $return );
-       break;
-default :
-       do_action( 'wp_ajax_' . $_GET['action'] );
-       die('0');
-       break;
-endswitch;
-endif;
-
-/**
- * Sends back current comment total and new page links if they need to be updated.
- *
- * Contrary to normal success AJAX response ("1"), die with time() on success.
- *
- * @since 2.7
- *
- * @param int $comment_id
- * @return die
- */
-function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
-       $total = (int) @$_POST['_total'];
-       $per_page = (int) @$_POST['_per_page'];
-       $page = (int) @$_POST['_page'];
-       $url = esc_url_raw( @$_POST['_url'] );
-       // JS didn't send us everything we need to know. Just die with success message
-       if ( !$total || !$per_page || !$page || !$url )
-               die( (string) time() );
-
-       $total += $delta;
-       if ( $total < 0 )
-               $total = 0;
-
-       // Only do the expensive stuff on a page-break, and about 1 other time per page
-       if ( 0 == $total % $per_page || 1 == mt_rand( 1, $per_page ) ) {
-               $post_id = 0;
-               $status = 'total_comments'; // What type of comment count are we looking for?
-               $parsed = parse_url( $url );
-               if ( isset( $parsed['query'] ) ) {
-                       parse_str( $parsed['query'], $query_vars );
-                       if ( !empty( $query_vars['comment_status'] ) )
-                               $status = $query_vars['comment_status'];
-                       if ( !empty( $query_vars['p'] ) )
-                               $post_id = (int) $query_vars['p'];
-               }
-
-               $comment_count = wp_count_comments($post_id);
-
-               if ( isset( $comment_count->$status ) ) // We're looking for a known type of comment count
-                       $total = $comment_count->$status;
-                       // else use the decremented value from above
-       }
-
-       $time = time(); // The time since the last comment count
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'comment',
-               'id' => $comment_id, // here for completeness - not used
-               'supplemental' => array(
-                       'total_items_i18n' => sprintf( _n( '1 item', '%s items', $total ), number_format_i18n( $total ) ),
-                       'total_pages' => ceil( $total / $per_page ),
-                       'total_pages_i18n' => number_format_i18n( ceil( $total / $per_page ) ),
-                       'total' => $total,
-                       'time' => $time
-               )
-       ) );
-       $x->send();
-}
-
-function _wp_ajax_add_hierarchical_term() {
-       $action = $_POST['action'];
-       $taxonomy = get_taxonomy(substr($action, 4));
-       check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
-       if ( !current_user_can( $taxonomy->cap->edit_terms ) )
-               die('-1');
-       $names = explode(',', $_POST['new'.$taxonomy->name]);
-       $parent = isset($_POST['new'.$taxonomy->name.'_parent']) ? (int) $_POST['new'.$taxonomy->name.'_parent'] : 0;
-       if ( 0 > $parent )
-               $parent = 0;
-       if ( $taxonomy->name == 'category' )
-               $post_category = isset($_POST['post_category']) ? (array) $_POST['post_category'] : array();
-       else
-               $post_category = ( isset($_POST['tax_input']) && isset($_POST['tax_input'][$taxonomy->name]) ) ? (array) $_POST['tax_input'][$taxonomy->name] : array();
-       $checked_categories = array_map( 'absint', (array) $post_category );
-       $popular_ids = wp_popular_terms_checklist($taxonomy->name, 0, 10, false);
-
-       foreach ( $names as $cat_name ) {
-               $cat_name = trim($cat_name);
-               $category_nicename = sanitize_title($cat_name);
-               if ( '' === $category_nicename )
-                       continue;
-               if ( !($cat_id = term_exists($cat_name, $taxonomy->name, $parent)) ) {
-                       $new_term = wp_insert_term($cat_name, $taxonomy->name, array('parent' => $parent));
-                       $cat_id = $new_term['term_id'];
-               }
-               $checked_categories[] = $cat_id;
-               if ( $parent ) // Do these all at once in a second
-                       continue;
-               $category = get_term( $cat_id, $taxonomy->name );
-               ob_start();
-                       wp_terms_checklist( 0, array( 'taxonomy' => $taxonomy->name, 'descendants_and_self' => $cat_id, 'selected_cats' => $checked_categories, 'popular_cats' => $popular_ids ));
-               $data = ob_get_contents();
-               ob_end_clean();
-               $add = array(
-                       'what' => $taxonomy->name,
-                       'id' => $cat_id,
-                       'data' => str_replace( array("\n", "\t"), '', $data),
-                       'position' => -1
-               );
-       }
-
-       if ( $parent ) { // Foncy - replace the parent and all its children
-               $parent = get_term( $parent, $taxonomy->name );
-               $term_id = $parent->term_id;
-
-               while ( $parent->parent ) { // get the top parent
-                       $parent = &get_term( $parent->parent, $taxonomy->name );
-                       if ( is_wp_error( $parent ) )
-                               break;
-                       $term_id = $parent->term_id;
-               }
-
-               ob_start();
-                       wp_terms_checklist( 0, array('taxonomy' => $taxonomy->name, 'descendants_and_self' => $term_id, 'selected_cats' => $checked_categories, 'popular_cats' => $popular_ids));
-               $data = ob_get_contents();
-               ob_end_clean();
-               $add = array(
-                       'what' => $taxonomy->name,
-                       'id' => $term_id,
-                       'data' => str_replace( array("\n", "\t"), '', $data),
-                       'position' => -1
-               );
-       }
-
-       ob_start();
-               wp_dropdown_categories( array(
-                       'taxonomy' => $taxonomy->name, 'hide_empty' => 0, 'name' => 'new'.$taxonomy->name.'_parent', 'orderby' => 'name',
-                       'hierarchical' => 1, 'show_option_none' => '&mdash; '.$taxonomy->labels->parent_item.' &mdash;'
-               ) );
-       $sup = ob_get_contents();
-       ob_end_clean();
-       $add['supplemental'] = array( 'newcat_parent' => $sup );
-
-       $x = new WP_Ajax_Response( $add );
-       $x->send();
+send_nosniff_header();
+nocache_headers();
+
+/** This action is documented in wp-admin/admin.php */
+do_action( 'admin_init' );
+
+$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',
+       'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'closed-postboxes',
+       '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',
+       'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail',
+       'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'press-this-save-post',
+       'press-this-add-category',
+);
+
+// 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( '-', '_', $_POST['action'] ), 1 );
+
+add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );
+
+if ( is_user_logged_in() ) {
+       /**
+        * Fires authenticated AJAX actions for logged-in users.
+        *
+        * The dynamic portion of the hook name, `$_REQUEST['action']`,
+        * refers to the name of the AJAX action callback being fired.
+        *
+        * @since 2.1.0
+        */
+       do_action( 'wp_ajax_' . $_REQUEST['action'] );
+} else {
+       /**
+        * Fires non-authenticated AJAX actions for logged-out users.
+        *
+        * The dynamic portion of the hook name, `$_REQUEST['action']`,
+        * refers to the name of the AJAX action callback being fired.
+        *
+        * @since 2.8.0
+        */
+       do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );
 }
-
-$id = isset($_POST['id'])? (int) $_POST['id'] : 0;
-switch ( $action = $_POST['action'] ) :
-case 'delete-comment' : // On success, die with time() instead of 1
-       if ( !$comment = get_comment( $id ) )
-               die( (string) time() );
-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) )
-               die('-1');
-
-       check_ajax_referer( "delete-comment_$id" );
-       $status = wp_get_comment_status( $comment->comment_ID );
-
-       $delta = -1;
-       if ( isset($_POST['trash']) && 1 == $_POST['trash'] ) {
-               if ( 'trash' == $status )
-                       die( (string) time() );
-               $r = wp_trash_comment( $comment->comment_ID );
-       } elseif ( isset($_POST['untrash']) && 1 == $_POST['untrash'] ) {
-               if ( 'trash' != $status )
-                       die( (string) time() );
-               $r = wp_untrash_comment( $comment->comment_ID );
-               if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) // undo trash, not in trash
-                       $delta = 1;
-       } elseif ( isset($_POST['spam']) && 1 == $_POST['spam'] ) {
-               if ( 'spam' == $status )
-                       die( (string) time() );
-               $r = wp_spam_comment( $comment->comment_ID );
-       } elseif ( isset($_POST['unspam']) && 1 == $_POST['unspam'] ) {
-               if ( 'spam' != $status )
-                       die( (string) time() );
-               $r = wp_unspam_comment( $comment->comment_ID );
-               if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) // undo spam, not in spam
-                       $delta = 1;
-       } elseif ( isset($_POST['delete']) && 1 == $_POST['delete'] ) {
-               $r = wp_delete_comment( $comment->comment_ID );
-       } else {
-               die('-1');
-       }
-
-       if ( $r ) // Decide if we need to send back '1' or a more complicated response including page links and comment counts
-               _wp_ajax_delete_comment_response( $comment->comment_ID, $delta );
-       die( '0' );
-       break;
-case 'delete-tag' :
-       $tag_id = (int) $_POST['tag_ID'];
-       check_ajax_referer( "delete-tag_$tag_id" );
-
-       $taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
-       $tax = get_taxonomy($taxonomy);
-
-       if ( !current_user_can( $tax->cap->delete_terms ) )
-               die('-1');
-
-       $tag = get_term( $tag_id, $taxonomy );
-       if ( !$tag || is_wp_error( $tag ) )
-               die('1');
-
-       if ( wp_delete_term($tag_id, $taxonomy))
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-link' :
-       check_ajax_referer( "delete-bookmark_$id" );
-       if ( !current_user_can( 'manage_links' ) )
-               die('-1');
-
-       $link = get_bookmark( $id );
-       if ( !$link || is_wp_error( $link ) )
-               die('1');
-
-       if ( wp_delete_link( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'delete-meta' :
-       check_ajax_referer( "delete-meta_$id" );
-       if ( !$meta = get_post_meta_by_id( $id ) )
-               die('1');
-
-       if ( !current_user_can( 'edit_post', $meta->post_id ) || is_protected_meta( $meta->meta_key ) )
-               die('-1');
-       if ( delete_meta( $meta->meta_id ) )
-               die('1');
-       die('0');
-       break;
-case 'delete-post' :
-       check_ajax_referer( "{$action}_$id" );
-       if ( !current_user_can( 'delete_post', $id ) )
-               die('-1');
-
-       if ( !get_post( $id ) )
-               die('1');
-
-       if ( wp_delete_post( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'trash-post' :
-case 'untrash-post' :
-       check_ajax_referer( "{$action}_$id" );
-       if ( !current_user_can( 'delete_post', $id ) )
-               die('-1');
-
-       if ( !get_post( $id ) )
-               die('1');
-
-       if ( 'trash-post' == $action )
-               $done = wp_trash_post( $id );
-       else
-               $done = wp_untrash_post( $id );
-
-       if ( $done )
-               die('1');
-
-       die('0');
-       break;
-case 'delete-page' :
-       check_ajax_referer( "{$action}_$id" );
-       if ( !current_user_can( 'delete_page', $id ) )
-               die('-1');
-
-       if ( !get_page( $id ) )
-               die('1');
-
-       if ( wp_delete_post( $id ) )
-               die('1');
-       else
-               die('0');
-       break;
-case 'dim-comment' : // On success, die with time() instead of 1
-
-       if ( !$comment = get_comment( $id ) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'comment',
-                       'id' => new WP_Error('invalid_comment', sprintf(__('Comment %d does not exist'), $id))
-               ) );
-               $x->send();
-       }
-
-       if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) && !current_user_can( 'moderate_comments' ) )
-               die('-1');
-
-       $current = wp_get_comment_status( $comment->comment_ID );
-       if ( $_POST['new'] == $current )
-               die( (string) time() );
-
-       check_ajax_referer( "approve-comment_$id" );
-       if ( in_array( $current, array( 'unapproved', 'spam' ) ) )
-               $result = wp_set_comment_status( $comment->comment_ID, 'approve', true );
-       else
-               $result = wp_set_comment_status( $comment->comment_ID, 'hold', true );
-
-       if ( is_wp_error($result) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'comment',
-                       'id' => $result
-               ) );
-               $x->send();
-       }
-
-       // Decide if we need to send back '1' or a more complicated response including page links and comment counts
-       _wp_ajax_delete_comment_response( $comment->comment_ID );
-       die( '0' );
-       break;
-case 'add-link-category' : // On the Fly
-       check_ajax_referer( $action );
-       if ( !current_user_can( 'manage_categories' ) )
-               die('-1');
-       $names = explode(',', $_POST['newcat']);
-       $x = new WP_Ajax_Response();
-       foreach ( $names as $cat_name ) {
-               $cat_name = trim($cat_name);
-               $slug = sanitize_title($cat_name);
-               if ( '' === $slug )
-                       continue;
-               if ( !$cat_id = term_exists( $cat_name, 'link_category' ) ) {
-                       $cat_id = wp_insert_term( $cat_name, 'link_category' );
-               }
-               $cat_id = $cat_id['term_id'];
-               $cat_name = esc_html(stripslashes($cat_name));
-               $x->add( array(
-                       'what' => 'link-category',
-                       'id' => $cat_id,
-                       'data' => "<li id='link-category-$cat_id'><label for='in-link-category-$cat_id' class='selectit'><input value='" . esc_attr($cat_id) . "' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>",
-                       'position' => -1
-               ) );
-       }
-       $x->send();
-       break;
-case 'add-tag' :
-       check_ajax_referer( 'add-tag' );
-       $post_type = !empty($_POST['post_type']) ? $_POST['post_type'] : 'post';
-       $taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
-       $tax = get_taxonomy($taxonomy);
-
-       if ( !current_user_can( $tax->cap->edit_terms ) )
-               die('-1');
-
-       $x = new WP_Ajax_Response();
-
-       $tag = wp_insert_term($_POST['tag-name'], $taxonomy, $_POST );
-
-       if ( !$tag || is_wp_error($tag) || (!$tag = get_term( $tag['term_id'], $taxonomy )) ) {
-               $message = __('An error has occurred. Please reload the page and try again.');
-               if ( is_wp_error($tag) && $tag->get_error_message() )
-                       $message = $tag->get_error_message();
-
-               $x->add( array(
-                       'what' => 'taxonomy',
-                       'data' => new WP_Error('error', $message )
-               ) );
-               $x->send();
-       }
-
-       set_current_screen( $_POST['screen'] );
-
-       $wp_list_table = _get_list_table('WP_Terms_List_Table');
-
-       $level = 0;
-       if ( is_taxonomy_hierarchical($taxonomy) ) {
-               $level = count( get_ancestors( $tag->term_id, $taxonomy ) );
-               ob_start();
-               $wp_list_table->single_row( $tag, $level );
-               $noparents = ob_get_clean();
-       }
-
-       ob_start();
-       $wp_list_table->single_row( $tag );
-       $parents = ob_get_clean();
-
-       $x->add( array(
-               'what' => 'taxonomy',
-               'supplemental' => compact('parents', 'noparents')
-               ) );
-       $x->add( array(
-               'what' => 'term',
-               'position' => $level,
-               'supplemental' => (array) $tag
-               ) );
-       $x->send();
-       break;
-case 'get-tagcloud' :
-       if ( isset( $_POST['tax'] ) ) {
-               $taxonomy = sanitize_key( $_POST['tax'] );
-               $tax = get_taxonomy( $taxonomy );
-               if ( ! $tax )
-                       die( '0' );
-               if ( ! current_user_can( $tax->cap->assign_terms ) )
-                       die( '-1' );
-       } else {
-               die('0');
-       }
-
-       $tags = get_terms( $taxonomy, array( 'number' => 45, 'orderby' => 'count', 'order' => 'DESC' ) );
-
-       if ( empty( $tags ) )
-               die( isset( $tax->no_tagcloud ) ? $tax->no_tagcloud : __('No tags found!') );
-
-       if ( is_wp_error( $tags ) )
-               die( $tags->get_error_message() );
-
-       foreach ( $tags as $key => $tag ) {
-               $tags[ $key ]->link = '#';
-               $tags[ $key ]->id = $tag->term_id;
-       }
-
-       // We need raw tag names here, so don't filter the output
-       $return = wp_generate_tag_cloud( $tags, array('filter' => 0) );
-
-       if ( empty($return) )
-               die('0');
-
-       echo $return;
-
-       exit;
-       break;
-case 'get-comments' :
-       check_ajax_referer( $action );
-
-       set_current_screen( 'edit-comments' );
-
-       $wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
-
-       if ( !current_user_can( 'edit_post', $post_id ) )
-               die('-1');
-
-       $wp_list_table->prepare_items();
-
-       if ( !$wp_list_table->has_items() )
-               die('1');
-
-       $comment_list_item = '';
-       $x = new WP_Ajax_Response();
-       foreach ( $wp_list_table->items as $comment ) {
-               get_comment( $comment );
-               ob_start();
-                       $wp_list_table->single_row( $comment );
-                       $comment_list_item .= ob_get_contents();
-               ob_end_clean();
-       }
-       $x->add( array(
-               'what' => 'comments',
-               'data' => $comment_list_item
-       ) );
-       $x->send();
-       break;
-case 'replyto-comment' :
-       check_ajax_referer( $action, '_ajax_nonce-replyto-comment' );
-
-       set_current_screen( 'edit-comments' );
-
-       $comment_post_ID = (int) $_POST['comment_post_ID'];
-       if ( !current_user_can( 'edit_post', $comment_post_ID ) )
-               die('-1');
-
-       $status = $wpdb->get_var( $wpdb->prepare("SELECT post_status FROM $wpdb->posts WHERE ID = %d", $comment_post_ID) );
-
-       if ( empty($status) )
-               die('1');
-       elseif ( in_array($status, array('draft', 'pending', 'trash') ) )
-               die( __('Error: you are replying to a comment on a draft post.') );
-
-       $user = wp_get_current_user();
-       if ( $user->ID ) {
-               $comment_author       = $wpdb->escape($user->display_name);
-               $comment_author_email = $wpdb->escape($user->user_email);
-               $comment_author_url   = $wpdb->escape($user->user_url);
-               $comment_content      = trim($_POST['content']);
-               if ( current_user_can('unfiltered_html') ) {
-                       if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
-                               kses_remove_filters(); // start with a clean slate
-                               kses_init_filters(); // set up the filters
-                       }
-               }
-       } else {
-               die( __('Sorry, you must be logged in to reply to a comment.') );
-       }
-
-       if ( '' == $comment_content )
-               die( __('Error: please type a comment.') );
-
-       $comment_parent = absint($_POST['comment_ID']);
-       $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
-
-       $comment_id = wp_new_comment( $commentdata );
-       $comment = get_comment($comment_id);
-       if ( ! $comment ) die('1');
-
-       $position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
-
-       $x = new WP_Ajax_Response();
-
-       ob_start();
-               if ( 'dashboard' == $_REQUEST['mode'] ) {
-                       require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
-                       _wp_dashboard_recent_comments_row( $comment );
-               } else {
-                       if ( 'single' == $_REQUEST['mode'] ) {
-                               $wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
-                       } else {
-                               $wp_list_table = _get_list_table('WP_Comments_List_Table');
-                       }
-                       $wp_list_table->single_row( $comment );
-               }
-               $comment_list_item = ob_get_contents();
-       ob_end_clean();
-
-       $x->add( array(
-               'what' => 'comment',
-               'id' => $comment->comment_ID,
-               'data' => $comment_list_item,
-               'position' => $position
-       ));
-
-       $x->send();
-       break;
-case 'edit-comment' :
-       check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' );
-
-       set_current_screen( 'edit-comments' );
-
-       $comment_post_ID = (int) $_POST['comment_post_ID'];
-       if ( ! current_user_can( 'edit_post', $comment_post_ID ) )
-               die('-1');
-
-       if ( '' == $_POST['content'] )
-               die( __('Error: please type a comment.') );
-
-       $comment_id = (int) $_POST['comment_ID'];
-       $_POST['comment_status'] = $_POST['status'];
-       edit_comment();
-
-       $position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
-       $comments_status = isset($_POST['comments_listing']) ? $_POST['comments_listing'] : '';
-
-       $checkbox = ( isset($_POST['checkbox']) && true == $_POST['checkbox'] ) ? 1 : 0;
-       $wp_list_table = _get_list_table( $checkbox ? 'WP_Comments_List_Table' : 'WP_Post_Comments_List_Table' );
-
-       ob_start();
-               $wp_list_table->single_row( get_comment( $comment_id ) );
-               $comment_list_item = ob_get_contents();
-       ob_end_clean();
-
-       $x = new WP_Ajax_Response();
-
-       $x->add( array(
-               'what' => 'edit_comment',
-               'id' => $comment->comment_ID,
-               'data' => $comment_list_item,
-               'position' => $position
-       ));
-
-       $x->send();
-       break;
-case 'add-menu-item' :
-       if ( ! current_user_can( 'edit_theme_options' ) )
-               die('-1');
-
-       check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
-
-       require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
-
-       // For performance reasons, we omit some object properties from the checklist.
-       // The following is a hacky way to restore them when adding non-custom items.
-
-       $menu_items_data = array();
-       foreach ( (array) $_POST['menu-item'] as $menu_item_data ) {
-               if (
-                       ! empty( $menu_item_data['menu-item-type'] ) &&
-                       'custom' != $menu_item_data['menu-item-type'] &&
-                       ! empty( $menu_item_data['menu-item-object-id'] )
-               ) {
-                       switch( $menu_item_data['menu-item-type'] ) {
-                               case 'post_type' :
-                                       $_object = get_post( $menu_item_data['menu-item-object-id'] );
-                               break;
-
-                               case 'taxonomy' :
-                                       $_object = get_term( $menu_item_data['menu-item-object-id'], $menu_item_data['menu-item-object'] );
-                               break;
-                       }
-
-                       $_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) );
-                       $_menu_item = array_shift( $_menu_items );
-
-                       // Restore the missing menu item properties
-                       $menu_item_data['menu-item-description'] = $_menu_item->description;
-               }
-
-               $menu_items_data[] = $menu_item_data;
-       }
-
-       $item_ids = wp_save_nav_menu_items( 0, $menu_items_data );
-       if ( is_wp_error( $item_ids ) )
-               die('-1');
-
-       foreach ( (array) $item_ids as $menu_item_id ) {
-               $menu_obj = get_post( $menu_item_id );
-               if ( ! empty( $menu_obj->ID ) ) {
-                       $menu_obj = wp_setup_nav_menu_item( $menu_obj );
-                       $menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
-                       $menu_items[] = $menu_obj;
-               }
-       }
-
-       if ( ! empty( $menu_items ) ) {
-               $args = array(
-                       'after' => '',
-                       'before' => '',
-                       'link_after' => '',
-                       'link_before' => '',
-                       'walker' => new Walker_Nav_Menu_Edit,
-               );
-               echo walk_nav_menu_tree( $menu_items, 0, (object) $args );
-       }
-       break;
-case 'add-meta' :
-       check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' );
-       $c = 0;
-       $pid = (int) $_POST['post_id'];
-       $post = get_post( $pid );
-
-       if ( isset($_POST['metakeyselect']) || isset($_POST['metakeyinput']) ) {
-               if ( !current_user_can( 'edit_post', $pid ) )
-                       die('-1');
-               if ( isset($_POST['metakeyselect']) && '#NONE#' == $_POST['metakeyselect'] && empty($_POST['metakeyinput']) )
-                       die('1');
-               if ( $post->post_status == 'auto-draft' ) {
-                       $save_POST = $_POST; // Backup $_POST
-                       $_POST = array(); // Make it empty for edit_post()
-                       $_POST['action'] = 'draft'; // Warning fix
-                       $_POST['post_ID'] = $pid;
-                       $_POST['post_type'] = $post->post_type;
-                       $_POST['post_status'] = 'draft';
-                       $now = current_time('timestamp', 1);
-                       $_POST['post_title'] = sprintf('Draft created on %s at %s', date(get_option('date_format'), $now), date(get_option('time_format'), $now));
-
-                       if ( $pid = edit_post() ) {
-                               if ( is_wp_error( $pid ) ) {
-                                       $x = new WP_Ajax_Response( array(
-                                               'what' => 'meta',
-                                               'data' => $pid
-                                       ) );
-                                       $x->send();
-                               }
-                               $_POST = $save_POST; // Now we can restore original $_POST again
-                               if ( !$mid = add_meta( $pid ) )
-                                       die(__('Please provide a custom field value.'));
-                       } else {
-                               die('0');
-                       }
-               } else if ( !$mid = add_meta( $pid ) ) {
-                       die(__('Please provide a custom field value.'));
-               }
-
-               $meta = get_post_meta_by_id( $mid );
-               $pid = (int) $meta->post_id;
-               $meta = get_object_vars( $meta );
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'meta',
-                       'id' => $mid,
-                       'data' => _list_meta_row( $meta, $c ),
-                       'position' => 1,
-                       'supplemental' => array('postid' => $pid)
-               ) );
-       } else { // Update?
-               $mid = (int) array_pop( $var_by_ref = array_keys($_POST['meta']) );
-               $key = $_POST['meta'][$mid]['key'];
-               $value = $_POST['meta'][$mid]['value'];
-               if ( '' == trim($key) )
-                       die(__('Please provide a custom field name.'));
-               if ( '' == trim($value) )
-                       die(__('Please provide a custom field value.'));
-               if ( !$meta = get_post_meta_by_id( $mid ) )
-                       die('0'); // if meta doesn't exist
-               if ( !current_user_can( 'edit_post', $meta->post_id ) )
-                       die('-1');
-               if ( is_protected_meta( $meta->meta_key ) )
-                       die('-1');
-               if ( $meta->meta_value != stripslashes($value) || $meta->meta_key != stripslashes($key) ) {
-                       if ( !$u = update_meta( $mid, $key, $value ) )
-                               die('0'); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
-               }
-
-               $key = stripslashes($key);
-               $value = stripslashes($value);
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'meta',
-                       'id' => $mid, 'old_id' => $mid,
-                       'data' => _list_meta_row( array(
-                               'meta_key' => $key,
-                               'meta_value' => $value,
-                               'meta_id' => $mid
-                       ), $c ),
-                       'position' => 0,
-                       'supplemental' => array('postid' => $meta->post_id)
-               ) );
-       }
-       $x->send();
-       break;
-case 'add-user' :
-       check_ajax_referer( $action );
-       if ( !current_user_can('create_users') )
-               die('-1');
-       if ( !$user_id = add_user() )
-               die('0');
-       elseif ( is_wp_error( $user_id ) ) {
-               $x = new WP_Ajax_Response( array(
-                       'what' => 'user',
-                       'id' => $user_id
-               ) );
-               $x->send();
-       }
-       $user_object = new WP_User( $user_id );
-
-       $wp_list_table = _get_list_table('WP_Users_List_Table');
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'user',
-               'id' => $user_id,
-               'data' => $wp_list_table->single_row( $user_object, '', $user_object->roles[0] ),
-               'supplemental' => array(
-                       'show-link' => sprintf(__( 'User <a href="#%s">%s</a> added' ), "user-$user_id", $user_object->user_login),
-                       'role' => $user_object->roles[0]
-               )
-       ) );
-       $x->send();
-       break;
-case 'autosave' : // The name of this action is hardcoded in edit_post()
-       define( 'DOING_AUTOSAVE', true );
-
-       $nonce_age = check_ajax_referer( 'autosave', 'autosavenonce' );
-
-       $_POST['post_category'] = explode(",", $_POST['catslist']);
-       if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) )
-               unset($_POST['post_category']);
-
-       $do_autosave = (bool) $_POST['autosave'];
-       $do_lock = true;
-
-       $data = '';
-       /* translators: draft saved date format, see http://php.net/date */
-       $draft_saved_date_format = __('g:i:s a');
-       /* translators: %s: date and time */
-       $message = sprintf( __('Draft saved at %s.'), date_i18n( $draft_saved_date_format ) );
-
-       $supplemental = array();
-       if ( isset($login_grace_period) )
-               $supplemental['session_expired'] = add_query_arg( 'interim-login', 1, wp_login_url() );
-
-       $id = $revision_id = 0;
-
-       $post_ID = (int) $_POST['post_ID'];
-       $_POST['ID'] = $post_ID;
-       $post = get_post($post_ID);
-       if ( 'auto-draft' == $post->post_status )
-               $_POST['post_status'] = 'draft';
-
-       if ( $last = wp_check_post_lock( $post->ID ) ) {
-               $do_autosave = $do_lock = false;
-
-               $last_user = get_userdata( $last );
-               $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
-               $data = new WP_Error( 'locked', sprintf(
-                       $_POST['post_type'] == 'page' ? __( 'Autosave disabled: %s is currently editing this page.' ) : __( 'Autosave disabled: %s is currently editing this post.' ),
-                       esc_html( $last_user_name )
-               ) );
-
-               $supplemental['disable_autosave'] = 'disable';
-       }
-
-       if ( 'page' == $post->post_type ) {
-               if ( !current_user_can('edit_page', $post_ID) )
-                       die(__('You are not allowed to edit this page.'));
-       } else {
-               if ( !current_user_can('edit_post', $post_ID) )
-                       die(__('You are not allowed to edit this post.'));
-       }
-
-       if ( $do_autosave ) {
-               // Drafts and auto-drafts are just overwritten by autosave
-               if ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) {
-                       $id = edit_post();
-               } else { // Non drafts are not overwritten.  The autosave is stored in a special post revision.
-                       $revision_id = wp_create_post_autosave( $post->ID );
-                       if ( is_wp_error($revision_id) )
-                               $id = $revision_id;
-                       else
-                               $id = $post->ID;
-               }
-               $data = $message;
-       } else {
-               if ( isset( $_POST['auto_draft'] ) && '1' == $_POST['auto_draft'] )
-                       $id = 0; // This tells us it didn't actually save
-               else
-                       $id = $post->ID;
-       }
-
-       if ( $do_lock && ( isset( $_POST['auto_draft'] ) && ( $_POST['auto_draft'] != '1' ) ) && $id && is_numeric($id) )
-               wp_set_post_lock( $id );
-
-       if ( $nonce_age == 2 ) {
-               $supplemental['replace-autosavenonce'] = wp_create_nonce('autosave');
-               $supplemental['replace-getpermalinknonce'] = wp_create_nonce('getpermalink');
-               $supplemental['replace-samplepermalinknonce'] = wp_create_nonce('samplepermalink');
-               $supplemental['replace-closedpostboxesnonce'] = wp_create_nonce('closedpostboxes');
-               if ( $id ) {
-                       if ( $_POST['post_type'] == 'post' )
-                               $supplemental['replace-_wpnonce'] = wp_create_nonce('update-post_' . $id);
-                       elseif ( $_POST['post_type'] == 'page' )
-                               $supplemental['replace-_wpnonce'] = wp_create_nonce('update-page_' . $id);
-               }
-       }
-
-       $x = new WP_Ajax_Response( array(
-               'what' => 'autosave',
-               'id' => $id,
-               'data' => $id ? $data : '',
-               'supplemental' => $supplemental
-       ) );
-       $x->send();
-       break;
-case 'closed-postboxes' :
-       check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' );
-       $closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed']) : array();
-       $closed = array_filter($closed);
-
-       $hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden']) : array();
-       $hidden = array_filter($hidden);
-
-       $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-
-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
-
-       if ( ! $user = wp_get_current_user() )
-               die('-1');
-
-       if ( is_array($closed) )
-               update_user_option($user->ID, "closedpostboxes_$page", $closed, true);
-
-       if ( is_array($hidden) ) {
-               $hidden = array_diff( $hidden, array('submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu') ); // postboxes that are always shown
-               update_user_option($user->ID, "metaboxhidden_$page", $hidden, true);
-       }
-
-       die('1');
-       break;
-case 'hidden-columns' :
-       check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
-       $hidden = isset( $_POST['hidden'] ) ? $_POST['hidden'] : '';
-       $hidden = explode( ',', $_POST['hidden'] );
-       $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-
-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
-
-       if ( ! $user = wp_get_current_user() )
-               die('-1');
-
-       if ( is_array($hidden) )
-               update_user_option($user->ID, "manage{$page}columnshidden", $hidden, true);
-
-       die('1');
-       break;
-case 'menu-get-metabox' :
-       if ( ! current_user_can( 'edit_theme_options' ) )
-               die('-1');
-
-       require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
-
-       if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
-               $type = 'posttype';
-               $callback = 'wp_nav_menu_item_post_type_meta_box';
-               $items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
-       } elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
-               $type = 'taxonomy';
-               $callback = 'wp_nav_menu_item_taxonomy_meta_box';
-               $items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
-       }
-
-       if ( ! empty( $_POST['item-object'] ) && isset( $items[$_POST['item-object']] ) ) {
-               $item = apply_filters( 'nav_menu_meta_box_object', $items[ $_POST['item-object'] ] );
-               ob_start();
-               call_user_func_array($callback, array(
-                       null,
-                       array(
-                               'id' => 'add-' . $item->name,
-                               'title' => $item->labels->name,
-                               'callback' => $callback,
-                               'args' => $item,
-                       )
-               ));
-
-               $markup = ob_get_clean();
-
-               echo json_encode(array(
-                       'replace-id' => $type . '-' . $item->name,
-                       'markup' => $markup,
-               ));
-       }
-
-       exit;
-       break;
-case 'menu-quick-search':
-       if ( ! current_user_can( 'edit_theme_options' ) )
-               die('-1');
-
-       require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
-
-       _wp_ajax_menu_quick_search( $_REQUEST );
-
-       exit;
-       break;
-case 'wp-link-ajax':
-       require_once ABSPATH . 'wp-admin/includes/internal-linking.php';
-
-       check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' );
-
-       $args = array();
-
-       if ( isset( $_POST['search'] ) )
-               $args['s'] = stripslashes( $_POST['search'] );
-       $args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
-
-       $results = wp_link_query( $args );
-
-       if ( ! isset( $results ) )
-               die( '0' );
-
-       echo json_encode( $results );
-       echo "\n";
-
-       exit;
-       break;
-case 'menu-locations-save':
-       if ( ! current_user_can( 'edit_theme_options' ) )
-               die('-1');
-       check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
-       if ( ! isset( $_POST['menu-locations'] ) )
-               die('0');
-       set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
-       die('1');
-       break;
-case 'meta-box-order':
-       check_ajax_referer( 'meta-box-order' );
-       $order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
-       $page_columns = isset( $_POST['page_columns'] ) ? (int) $_POST['page_columns'] : 0;
-       $page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-
-       if ( !preg_match( '/^[a-z_-]+$/', $page ) )
-               die('-1');
-
-       if ( ! $user = wp_get_current_user() )
-               die('-1');
-
-       if ( $order )
-               update_user_option($user->ID, "meta-box-order_$page", $order, true);
-
-       if ( $page_columns )
-               update_user_option($user->ID, "screen_layout_$page", $page_columns, true);
-
-       die('1');
-       break;
-case 'get-permalink':
-       check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
-       $post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
-       die(add_query_arg(array('preview' => 'true'), get_permalink($post_id)));
-break;
-case 'sample-permalink':
-       check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' );
-       $post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
-       $title = isset($_POST['new_title'])? $_POST['new_title'] : '';
-       $slug = isset($_POST['new_slug'])? $_POST['new_slug'] : null;
-       die(get_sample_permalink_html($post_id, $title, $slug));
-break;
-case 'inline-save':
-       check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
-
-       if ( ! isset($_POST['post_ID']) || ! ( $post_ID = (int) $_POST['post_ID'] ) )
-               exit;
-
-       if ( 'page' == $_POST['post_type'] ) {
-               if ( ! current_user_can( 'edit_page', $post_ID ) )
-                       die( __('You are not allowed to edit this page.') );
-       } else {
-               if ( ! current_user_can( 'edit_post', $post_ID ) )
-                       die( __('You are not allowed to edit this post.') );
-       }
-
-       set_current_screen( $_POST['screen'] );
-
-       if ( $last = wp_check_post_lock( $post_ID ) ) {
-               $last_user = get_userdata( $last );
-               $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
-               printf( $_POST['post_type'] == 'page' ? __( 'Saving is disabled: %s is currently editing this page.' ) : __( 'Saving is disabled: %s is currently editing this post.' ),        esc_html( $last_user_name ) );
-               exit;
-       }
-
-       $data = &$_POST;
-
-       $post = get_post( $post_ID, ARRAY_A );
-       $post = add_magic_quotes($post); //since it is from db
-
-       $data['content'] = $post['post_content'];
-       $data['excerpt'] = $post['post_excerpt'];
-
-       // rename
-       $data['user_ID'] = $GLOBALS['user_ID'];
-
-       if ( isset($data['post_parent']) )
-               $data['parent_id'] = $data['post_parent'];
-
-       // status
-       if ( isset($data['keep_private']) && 'private' == $data['keep_private'] )
-               $data['post_status'] = 'private';
-       else
-               $data['post_status'] = $data['_status'];
-
-       if ( empty($data['comment_status']) )
-               $data['comment_status'] = 'closed';
-       if ( empty($data['ping_status']) )
-               $data['ping_status'] = 'closed';
-
-       // update the post
-       edit_post();
-
-       $wp_list_table = _get_list_table('WP_Posts_List_Table');
-
-       $mode = $_POST['post_view'];
-       $wp_list_table->display_rows( array( get_post( $_POST['post_ID'] ) ) );
-
-       exit;
-       break;
-case 'inline-save-tax':
-       check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
-
-       $taxonomy = sanitize_key( $_POST['taxonomy'] );
-       $tax = get_taxonomy( $taxonomy );
-       if ( ! $tax )
-               die( '0' );
-
-       if ( ! current_user_can( $tax->cap->edit_terms ) )
-               die( '-1' );
-
-       set_current_screen( 'edit-' . $taxonomy );
-
-       $wp_list_table = _get_list_table('WP_Terms_List_Table');
-
-       if ( ! isset($_POST['tax_ID']) || ! ( $id = (int) $_POST['tax_ID'] ) )
-               die(-1);
-
-       $tag = get_term( $id, $taxonomy );
-       $_POST['description'] = $tag->description;
-
-       $updated = wp_update_term($id, $taxonomy, $_POST);
-       if ( $updated && !is_wp_error($updated) ) {
-               $tag = get_term( $updated['term_id'], $taxonomy );
-               if ( !$tag || is_wp_error( $tag ) ) {
-                       if ( is_wp_error($tag) && $tag->get_error_message() )
-                               die( $tag->get_error_message() );
-                       die( __('Item not updated.') );
-               }
-
-               echo $wp_list_table->single_row( $tag );
-       } else {
-               if ( is_wp_error($updated) && $updated->get_error_message() )
-                       die( $updated->get_error_message() );
-               die( __('Item not updated.') );
-       }
-
-       exit;
-       break;
-case 'find_posts':
-       check_ajax_referer( 'find-posts' );
-
-       if ( empty($_POST['ps']) )
-               exit;
-
-       if ( !empty($_POST['post_type']) && in_array( $_POST['post_type'], get_post_types() ) )
-               $what = $_POST['post_type'];
-       else
-               $what = 'post';
-
-       $s = stripslashes($_POST['ps']);
-       preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $s, $matches);
-       $search_terms = array_map('_search_terms_tidy', $matches[0]);
-
-       $searchand = $search = '';
-       foreach ( (array) $search_terms as $term ) {
-               $term = esc_sql( like_escape( $term ) );
-               $search .= "{$searchand}(($wpdb->posts.post_title LIKE '%{$term}%') OR ($wpdb->posts.post_content LIKE '%{$term}%'))";
-               $searchand = ' AND ';
-       }
-       $term = esc_sql( like_escape( $s ) );
-       if ( count($search_terms) > 1 && $search_terms[0] != $s )
-               $search .= " OR ($wpdb->posts.post_title LIKE '%{$term}%') OR ($wpdb->posts.post_content LIKE '%{$term}%')";
-
-       $posts = $wpdb->get_results( "SELECT ID, post_title, post_status, post_date FROM $wpdb->posts WHERE post_type = '$what' AND post_status IN ('draft', 'publish') AND ($search) ORDER BY post_date_gmt DESC LIMIT 50" );
-
-       if ( ! $posts ) {
-               $posttype = get_post_type_object($what);
-               exit($posttype->labels->not_found);
-       }
-
-       $html = '<table class="widefat" cellspacing="0"><thead><tr><th class="found-radio"><br /></th><th>'.__('Title').'</th><th>'.__('Date').'</th><th>'.__('Status').'</th></tr></thead><tbody>';
-       foreach ( $posts as $post ) {
-
-               switch ( $post->post_status ) {
-                       case 'publish' :
-                       case 'private' :
-                               $stat = __('Published');
-                               break;
-                       case 'future' :
-                               $stat = __('Scheduled');
-                               break;
-                       case 'pending' :
-                               $stat = __('Pending Review');
-                               break;
-                       case 'draft' :
-                               $stat = __('Draft');
-                               break;
-               }
-
-               if ( '0000-00-00 00:00:00' == $post->post_date ) {
-                       $time = '';
-               } else {
-                       /* translators: date format in table columns, see http://php.net/date */
-                       $time = mysql2date(__('Y/m/d'), $post->post_date);
-               }
-
-               $html .= '<tr class="found-posts"><td class="found-radio"><input type="radio" id="found-'.$post->ID.'" name="found_post_id" value="' . esc_attr($post->ID) . '"></td>';
-               $html .= '<td><label for="found-'.$post->ID.'">'.esc_html( $post->post_title ).'</label></td><td>'.esc_html( $time ).'</td><td>'.esc_html( $stat ).'</td></tr>'."\n\n";
-       }
-       $html .= '</tbody></table>';
-
-       $x = new WP_Ajax_Response();
-       $x->add( array(
-               'what' => $what,
-               'data' => $html
-       ));
-       $x->send();
-
-       break;
-case 'widgets-order' :
-       check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
-
-       if ( !current_user_can('edit_theme_options') )
-               die('-1');
-
-       unset( $_POST['savewidgets'], $_POST['action'] );
-
-       // save widgets order for all sidebars
-       if ( is_array($_POST['sidebars']) ) {
-               $sidebars = array();
-               foreach ( $_POST['sidebars'] as $key => $val ) {
-                       $sb = array();
-                       if ( !empty($val) ) {
-                               $val = explode(',', $val);
-                               foreach ( $val as $k => $v ) {
-                                       if ( strpos($v, 'widget-') === false )
-                                               continue;
-
-                                       $sb[$k] = substr($v, strpos($v, '_') + 1);
-                               }
-                       }
-                       $sidebars[$key] = $sb;
-               }
-               wp_set_sidebars_widgets($sidebars);
-               die('1');
-       }
-
-       die('-1');
-       break;
-case 'save-widget' :
-       check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
-
-       if ( !current_user_can('edit_theme_options') || !isset($_POST['id_base']) )
-               die('-1');
-
-       unset( $_POST['savewidgets'], $_POST['action'] );
-
-       do_action('load-widgets.php');
-       do_action('widgets.php');
-       do_action('sidebar_admin_setup');
-
-       $id_base = $_POST['id_base'];
-       $widget_id = $_POST['widget-id'];
-       $sidebar_id = $_POST['sidebar'];
-       $multi_number = !empty($_POST['multi_number']) ? (int) $_POST['multi_number'] : 0;
-       $settings = isset($_POST['widget-' . $id_base]) && is_array($_POST['widget-' . $id_base]) ? $_POST['widget-' . $id_base] : false;
-       $error = '<p>' . __('An error has occurred. Please reload the page and try again.') . '</p>';
-
-       $sidebars = wp_get_sidebars_widgets();
-       $sidebar = isset($sidebars[$sidebar_id]) ? $sidebars[$sidebar_id] : array();
-
-       // delete
-       if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
-
-               if ( !isset($wp_registered_widgets[$widget_id]) )
-                       die($error);
-
-               $sidebar = array_diff( $sidebar, array($widget_id) );
-               $_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1');
-       } elseif ( $settings && preg_match( '/__i__|%i%/', key($settings) ) ) {
-               if ( !$multi_number )
-                       die($error);
-
-               $_POST['widget-' . $id_base] = array( $multi_number => array_shift($settings) );
-               $widget_id = $id_base . '-' . $multi_number;
-               $sidebar[] = $widget_id;
-       }
-       $_POST['widget-id'] = $sidebar;
-
-       foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
-
-               if ( $name == $id_base ) {
-                       if ( !is_callable( $control['callback'] ) )
-                               continue;
-
-                       ob_start();
-                               call_user_func_array( $control['callback'], $control['params'] );
-                       ob_end_clean();
-                       break;
-               }
-       }
-
-       if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
-               $sidebars[$sidebar_id] = $sidebar;
-               wp_set_sidebars_widgets($sidebars);
-               echo "deleted:$widget_id";
-               die();
-       }
-
-       if ( !empty($_POST['add_new']) )
-               die();
-
-       if ( $form = $wp_registered_widget_controls[$widget_id] )
-               call_user_func_array( $form['callback'], $form['params'] );
-
-       die();
-       break;
-case 'image-editor':
-       $attachment_id = intval($_POST['postid']);
-       if ( empty($attachment_id) || !current_user_can('edit_post', $attachment_id) )
-               die('-1');
-
-       check_ajax_referer( "image_editor-$attachment_id" );
-       include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
-
-       $msg = false;
-       switch ( $_POST['do'] ) {
-               case 'save' :
-                       $msg = wp_save_image($attachment_id);
-                       $msg = json_encode($msg);
-                       die($msg);
-                       break;
-               case 'scale' :
-                       $msg = wp_save_image($attachment_id);
-                       break;
-               case 'restore' :
-                       $msg = wp_restore_image($attachment_id);
-                       break;
-       }
-
-       wp_image_editor($attachment_id, $msg);
-       die();
-       break;
-case 'set-post-thumbnail':
-       $post_ID = intval( $_POST['post_id'] );
-       if ( !current_user_can( 'edit_post', $post_ID ) )
-               die( '-1' );
-       $thumbnail_id = intval( $_POST['thumbnail_id'] );
-
-       check_ajax_referer( "set_post_thumbnail-$post_ID" );
-
-       if ( $thumbnail_id == '-1' ) {
-               delete_post_meta( $post_ID, '_thumbnail_id' );
-               die( _wp_post_thumbnail_html() );
-       }
-
-       if ( set_post_thumbnail( $post_ID, $thumbnail_id ) )
-               die( _wp_post_thumbnail_html( $thumbnail_id ) );
-       die( '0' );
-       break;
-case 'date_format' :
-       die( date_i18n( sanitize_option( 'date_format', $_POST['date'] ) ) );
-       break;
-case 'time_format' :
-       die( date_i18n( sanitize_option( 'time_format', $_POST['date'] ) ) );
-       break;
-default :
-       do_action( 'wp_ajax_' . $_POST['action'] );
-       die('0');
-       break;
-endswitch;
-?>
+// Default status
+die( '0' );