enmi-conf.org: comparison wp/wp-admin/includes/ajax-actions.php

equal deleted inserted replaced

-:c7c34916027a
+:177826044cd9
 */
 function wp_ajax_nopriv_heartbeat() {
 	$response = array();
 	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
-	if ( ! empty($_POST['screen_id']) )
+	if ( ! empty( $_POST['screen_id'] ) ) {
-		$screen_id = sanitize_key($_POST['screen_id']);
+		$screen_id = sanitize_key( $_POST['screen_id'] );
-	else
+	} else {
 		$screen_id = 'front';
+	}
-	if ( ! empty($_POST['data']) ) {
+	if ( ! empty( $_POST['data'] ) ) {
 		$data = wp_unslash( (array) $_POST['data'] );
 		/**
 		 * Filters Heartbeat Ajax response in no-privilege environments.
 		 *
 		 * @since 3.6.0
 		 *
-		 * @param array|object $response  The no-priv Heartbeat response object or array.
+		 * @param array  $response  The no-priv Heartbeat response.
-		 * @param array        $data      An array of data passed via $_POST.
+		 * @param array  $data      The $_POST data sent.
-		 * @param string       $screen_id The screen id.
+		 * @param string $screen_id The screen id.
 		 */
 		$response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id );
 	}
 	/**
-	 * Filters Heartbeat Ajax response when no data is passed.
+	 * Filters Heartbeat Ajax response in no-privilege environments when no data is passed.
 	 *
 	 * @since 3.6.0
 	 *
-	 * @param array|object $response  The Heartbeat response object or array.
+	 * @param array  $response  The no-priv Heartbeat response.
-	 * @param string       $screen_id The screen id.
+	 * @param string $screen_id The screen id.
 	 */
 	$response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id );
 	/**
 	 * Fires when Heartbeat ticks in no-privilege environments.
 	 *
 	 * Allows the transport to be easily replaced with long-polling.
 	 *
 	 * @since 3.6.0
 	 *
-	 * @param array|object $response  The no-priv Heartbeat response.
+	 * @param array  $response  The no-priv Heartbeat response.
-	 * @param string       $screen_id The screen id.
+	 * @param string $screen_id The screen id.
 	 */
 	do_action( 'heartbeat_nopriv_tick', $response, $screen_id );
 	// Send the current time according to the server.
 	$response['server_time'] = time();
-	wp_send_json($response);
+	wp_send_json( $response );
 }
 //
 // GET-based Ajax handlers.
 //
 	if ( ! isset( $_GET['tax'] ) ) {
 		wp_die( 0 );
 	}
 	$taxonomy = sanitize_key( $_GET['tax'] );
-	$tax = get_taxonomy( $taxonomy );
+	$tax      = get_taxonomy( $taxonomy );
 	if ( ! $tax ) {
 		wp_die( 0 );
 	}
 	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
 	}
 	$s = wp_unslash( $_GET['q'] );
 	$comma = _x( ',', 'tag delimiter' );
-	if ( ',' !== $comma )
+	if ( ',' !== $comma ) {
 		$s = str_replace( $comma, ',', $s );
+	}
 	if ( false !== strpos( $s, ',' ) ) {
 		$s = explode( ',', $s );
-		$s = $s[count( $s ) - 1];
+		$s = $s[ count( $s ) - 1 ];
 	}
 	$s = trim( $s );
 	/**
 	 * Filters the minimum number of characters required to fire a tag search via Ajax.
 	/*
 	 * Require $term_search_min_chars chars for matching (default: 2)
 	 * ensure it's a non-negative, non-zero integer.
 	 */
-	if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ){
+	if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ) {
 		wp_die();
 	}
-	$results = get_terms( $taxonomy, array( 'name__like' => $s, 'fields' => 'names', 'hide_empty' => false ) );
+	$results = get_terms(
+		$taxonomy,
+		array(
+			'name__like' => $s,
+			'fields'     => 'names',
+			'hide_empty' => false,
+		)
+	);
 	echo join( $results, "\n" );
 	wp_die();
 }
 * Ajax handler for compression testing.
 *
 * @since 3.1.0
 */
 function wp_ajax_wp_compression_test() {
-	if ( !current_user_can( 'manage_options' ) )
+	if ( ! current_user_can( 'manage_options' ) ) {
 		wp_die( -1 );
+	}
-	if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') ) {
-		update_site_option('can_compress_scripts', 0);
+	if ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' == ini_get( 'output_handler' ) ) {
+		update_site_option( 'can_compress_scripts', 0 );
 		wp_die( 0 );
 	}
-	if ( isset($_GET['test']) ) {
+	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('Content-Type: application/javascript; charset=UTF-8');
+		header( 'Content-Type: application/javascript; charset=UTF-8' );
-		$force_gzip = ( defined('ENFORCE_GZIP') && ENFORCE_GZIP );
+		$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."';
+		$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'] ) {
+		if ( 1 == $_GET['test'] ) {
-		 	echo $test_str;
+			echo $test_str;
-		 	wp_die();
+			wp_die();
-		 } elseif ( 2 == $_GET['test'] ) {
+		} elseif ( 2 == $_GET['test'] ) {
-			if ( !isset($_SERVER['HTTP_ACCEPT_ENCODING']) )
+			if ( ! isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
 				wp_die( -1 );
-			if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
+			}
-				header('Content-Encoding: deflate');
+			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') ) {
+			} elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) && function_exists( 'gzencode' ) ) {
-				header('Content-Encoding: gzip');
+				header( 'Content-Encoding: gzip' );
 				$out = gzencode( $test_str, 1 );
 			} else {
 				wp_die( -1 );
 			}
 			echo $out;
 			wp_die();
 		} elseif ( 'no' == $_GET['test'] ) {
 			check_ajax_referer( 'update_can_compress_scripts' );
-			update_site_option('can_compress_scripts', 0);
+			update_site_option( 'can_compress_scripts', 0 );
 		} elseif ( 'yes' == $_GET['test'] ) {
 			check_ajax_referer( 'update_can_compress_scripts' );
-			update_site_option('can_compress_scripts', 1);
+			update_site_option( 'can_compress_scripts', 1 );
 		}
 	}
 	wp_die( 0 );
 }
 * Ajax handler for image editor previews.
 *
 * @since 3.1.0
 */
 function wp_ajax_imgedit_preview() {
-	$post_id = intval($_GET['postid']);
+	$post_id = intval( $_GET['postid'] );
-	if ( empty($post_id) || !current_user_can('edit_post', $post_id) )
+	if ( empty( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {
 		wp_die( -1 );
+	}
 	check_ajax_referer( "image_editor-$post_id" );
 	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
-	if ( ! stream_preview_image($post_id) )
+	if ( ! stream_preview_image( $post_id ) ) {
 		wp_die( -1 );
+	}
 	wp_die();
 }
 /**
 * Ajax handler for user autocomplete.
 *
 * @since 3.4.0
 */
 function wp_ajax_autocomplete_user() {
-	if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) )
+	if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) ) {
 		wp_die( -1 );
+	}
 	/** This filter is documented in wp-admin/user-new.php */
-	if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) )
+	if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) ) {
 		wp_die( -1 );
+	}
 	$return = array();
 	// Check the type of request
 	// Current allowed values are `add` and `search`
 		$id = absint( $_REQUEST['site_id'] );
 	} else {
 		$id = get_current_blog_id();
 	}
-	$include_blog_users = ( $type == 'search' ? get_users( array( 'blog_id' => $id, 'fields' => 'ID' ) ) : array() );
+	$include_blog_users = ( $type == 'search' ? get_users(
-	$exclude_blog_users = ( $type == 'add' ? get_users( array( 'blog_id' => $id, 'fields' => 'ID' ) ) : array() );
+		array(
+			'blog_id' => $id,
-	$users = get_users( array(
+			'fields'  => 'ID',
-		'blog_id' => false,
+		)
-		'search'  => '*' . $_REQUEST['term'] . '*',
+	) : array() );
-		'include' => $include_blog_users,
+	$exclude_blog_users = ( $type == 'add' ? get_users(
-		'exclude' => $exclude_blog_users,
+		array(
-		'search_columns' => array( 'user_login', 'user_nicename', 'user_email' ),
+			'blog_id' => $id,
-	) );
+			'fields'  => 'ID',
+		)
+	) : array() );
+	$users = get_users(
+		array(
+			'blog_id'        => false,
+			'search'         => '*' . $_REQUEST['term'] . '*',
+			'include'        => $include_blog_users,
+			'exclude'        => $exclude_blog_users,
+			'search_columns' => array( 'user_login', 'user_nicename', 'user_email' ),
+		)
+	);
 	foreach ( $users as $user ) {
 		$return[] = array(
 			/* translators: 1: user_login, 2: user_email */
 			'label' => sprintf( _x( '%1$s (%2$s)', 'user autocomplete result' ), $user->user_login, $user->user_email ),
 	$events_client  = new WP_Community_Events( $user_id, $saved_location );
 	$events         = $events_client->get_events( $search, $timezone );
 	$ip_changed     = false;
 	if ( is_wp_error( $events ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'error' => $events->get_error_message(),
+			array(
-		) );
+				'error' => $events->get_error_message(),
+			)
+		);
 	} else {
 		if ( empty( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) ) {
 			$ip_changed = true;
 		} elseif ( isset( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) && $saved_location['ip'] !== $events['location']['ip'] ) {
 			$ip_changed = true;
 		/*
 		 * The location should only be updated when it changes. The API doesn't always return
 		 * a full location; sometimes it's missing the description or country. The location
 		 * that was saved during the initial request is known to be good and complete, though.
-		 * It should be left in tact until the user explicitly changes it (either by manually
+		 * It should be left intact until the user explicitly changes it (either by manually
 		 * searching for a new location, or by changing their IP address).
 		 *
-		 * If the location were updated with an incomplete response from the API, then it could
+		 * If the location was updated with an incomplete response from the API, then it could
 		 * break assumptions that the UI makes (e.g., that there will always be a description
 		 * that corresponds to a latitude/longitude location).
 		 *
 		 * The location is stored network-wide, so that the user doesn't have to set it on each site.
 		 */
 	if ( $pagenow === 'dashboard-user' || $pagenow === 'dashboard-network' || $pagenow === 'dashboard' ) {
 		set_current_screen( $pagenow );
 	}
 	switch ( $_GET['widget'] ) {
-		case 'dashboard_primary' :
+		case 'dashboard_primary':
 			wp_dashboard_primary();
 			break;
 	}
 	wp_die();
 }
 *
 * @param int $comment_id
 * @param int $delta
 */
 function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
-	$total    = isset( $_POST['_total'] )    ? (int) $_POST['_total']    : 0;
+	$total    = isset( $_POST['_total'] ) ? (int) $_POST['_total'] : 0;
 	$per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0;
-	$page     = isset( $_POST['_page'] )     ? (int) $_POST['_page']     : 0;
+	$page     = isset( $_POST['_page'] ) ? (int) $_POST['_page'] : 0;
-	$url      = isset( $_POST['_url'] )      ? esc_url_raw( $_POST['_url'] ) : '';
+	$url      = isset( $_POST['_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 ) {
 		$time           = time();
 		$comment        = get_comment( $comment_id );
 			$comment_link = get_comment_link( $comment );
 		}
 		$counts = wp_count_comments();
-		$x = new WP_Ajax_Response( array(
+		$x = new WP_Ajax_Response(
-			'what' => 'comment',
+			array(
-			// Here for completeness - not used.
+				'what'         => 'comment',
-			'id' => $comment_id,
+				// Here for completeness - not used.
-			'supplemental' => array(
+				'id'           => $comment_id,
-				'status' => $comment_status,
+				'supplemental' => array(
-				'postId' => $comment ? $comment->comment_post_ID : '',
+					'status'               => $comment_status,
-				'time' => $time,
+					'postId'               => $comment ? $comment->comment_post_ID : '',
-				'in_moderation' => $counts->moderated,
+					'time'                 => $time,
-				'i18n_comments_text' => sprintf(
+					'in_moderation'        => $counts->moderated,
-					_n( '%s Comment', '%s Comments', $counts->approved ),
+					'i18n_comments_text'   => sprintf(
-					number_format_i18n( $counts->approved )
+						/* translators: %s: number of comments approved */
+						_n( '%s Comment', '%s Comments', $counts->approved ),
+						number_format_i18n( $counts->approved )
+					),
+					'i18n_moderation_text' => sprintf(
+						/* translators: %s: number of comments in moderation */
+						_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
+						number_format_i18n( $counts->moderated )
+					),
+					'comment_link'         => $comment_link,
 				),
-				'i18n_moderation_text' => sprintf(
-					_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
-					number_format_i18n( $counts->moderated )
-				),
-				'comment_link' => $comment_link,
 			)
-		) );
+		);
 		$x->send();
 	}
 	$total += $delta;
-	if ( $total < 0 )
+	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;
 		// What type of comment count are we looking for?
 		$status = 'all';
 		$parsed = parse_url( $url );
 		if ( isset( $parsed['query'] ) ) {
 			parse_str( $parsed['query'], $query_vars );
-			if ( !empty( $query_vars['comment_status'] ) )
+			if ( ! empty( $query_vars['comment_status'] ) ) {
 				$status = $query_vars['comment_status'];
-			if ( !empty( $query_vars['p'] ) )
+			}
+			if ( ! empty( $query_vars['p'] ) ) {
 				$post_id = (int) $query_vars['p'];
-			if ( ! empty( $query_vars['comment_type'] ) )
+			}
+			if ( ! empty( $query_vars['comment_type'] ) ) {
 				$type = $query_vars['comment_type'];
+			}
 		}
 		if ( empty( $type ) ) {
 			// Only use the comment count if not filtering by a comment_type.
-			$comment_count = wp_count_comments($post_id);
+			$comment_count = wp_count_comments( $post_id );
 			// We're looking for a known type of comment count.
 			if ( isset( $comment_count->$status ) ) {
 				$total = $comment_count->$status;
 			}
 		}
 		// Else use the decremented value from above.
 	}
 	// The time since the last comment count.
-	$time = time();
+	$time    = time();
 	$comment = get_comment( $comment_id );
+	$counts  = wp_count_comments();
-	$x = new WP_Ajax_Response( array(
-		'what' => 'comment',
+	$x = new WP_Ajax_Response(
-		// Here for completeness - not used.
+		array(
-		'id' => $comment_id,
+			'what'         => 'comment',
-		'supplemental' => array(
+			'id'           => $comment_id,
-			'status' => $comment ? $comment->comment_approved : '',
+			'supplemental' => array(
-			'postId' => $comment ? $comment->comment_post_ID : '',
+				'status'               => $comment ? $comment->comment_approved : '',
-			'total_items_i18n' => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ),
+				'postId'               => $comment ? $comment->comment_post_ID : '',
-			'total_pages' => ceil( $total / $per_page ),
+				/* translators: %s: number of comments */
-			'total_pages_i18n' => number_format_i18n( ceil( $total / $per_page ) ),
+				'total_items_i18n'     => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ),
-			'total' => $total,
+				'total_pages'          => ceil( $total / $per_page ),
-			'time' => $time
+				'total_pages_i18n'     => number_format_i18n( ceil( $total / $per_page ) ),
+				'total'                => $total,
+				'time'                 => $time,
+				'in_moderation'        => $counts->moderated,
+				'i18n_moderation_text' => sprintf(
+					/* translators: %s: number of comments in moderation */
+					_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
+					number_format_i18n( $counts->moderated )
+				),
+			),
 		)
-	) );
+	);
 	$x->send();
 }
 //
 // POST-based Ajax handlers.
 *
 * @access private
 * @since 3.1.0
 */
 function _wp_ajax_add_hierarchical_term() {
-	$action = $_POST['action'];
+	$action   = $_POST['action'];
-	$taxonomy = get_taxonomy(substr($action, 4));
+	$taxonomy = get_taxonomy( substr( $action, 4 ) );
 	check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
-	if ( !current_user_can( $taxonomy->cap->edit_terms ) )
+	if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
 		wp_die( -1 );
-	$names = explode(',', $_POST['new'.$taxonomy->name]);
+	}
-	$parent = isset($_POST['new'.$taxonomy->name.'_parent']) ? (int) $_POST['new'.$taxonomy->name.'_parent'] : 0;
+	$names  = explode( ',', $_POST[ 'new' . $taxonomy->name ] );
-	if ( 0 > $parent )
+	$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();
+	if ( $taxonomy->name == 'category' ) {
-	else
+		$post_category = isset( $_POST['post_category'] ) ? (array) $_POST['post_category'] : array();
-		$post_category = ( isset($_POST['tax_input']) && isset($_POST['tax_input'][$taxonomy->name]) ) ? (array) $_POST['tax_input'][$taxonomy->name] : 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);
+	$popular_ids        = wp_popular_terms_checklist( $taxonomy->name, 0, 10, false );
 	foreach ( $names as $cat_name ) {
-		$cat_name = trim($cat_name);
+		$cat_name          = trim( $cat_name );
-		$category_nicename = sanitize_title($cat_name);
+		$category_nicename = sanitize_title( $cat_name );
-		if ( '' === $category_nicename )
+		if ( '' === $category_nicename ) {
 			continue;
+		}
 		$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
 		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
 			continue;
 		} else {
 			$cat_id = $cat_id['term_id'];
 		}
 		$checked_categories[] = $cat_id;
-		if ( $parent ) // Do these all at once in a second
+		if ( $parent ) { // Do these all at once in a second
 			continue;
+		}
 		ob_start();
-		wp_terms_checklist( 0, array( 'taxonomy' => $taxonomy->name, 'descendants_and_self' => $cat_id, 'selected_cats' => $checked_categories, 'popular_cats' => $popular_ids ));
+		wp_terms_checklist(
+			0,
+			array(
+				'taxonomy'             => $taxonomy->name,
+				'descendants_and_self' => $cat_id,
+				'selected_cats'        => $checked_categories,
+				'popular_cats'         => $popular_ids,
+			)
+		);
 		$data = ob_get_clean();
 		$add = array(
-			'what' => $taxonomy->name,
+			'what'     => $taxonomy->name,
-			'id' => $cat_id,
+			'id'       => $cat_id,
-			'data' => str_replace( array("\n", "\t"), '', $data),
+			'data'     => str_replace( array( "\n", "\t" ), '', $data ),
-			'position' => -1
+			'position' => -1,
 		);
 	}
 	if ( $parent ) { // Foncy - replace the parent and all its children
-		$parent = get_term( $parent, $taxonomy->name );
+		$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 ) )
+			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));
+		wp_terms_checklist(
+			0,
+			array(
+				'taxonomy'             => $taxonomy->name,
+				'descendants_and_self' => $term_id,
+				'selected_cats'        => $checked_categories,
+				'popular_cats'         => $popular_ids,
+			)
+		);
 		$data = ob_get_clean();
 		$add = array(
-			'what' => $taxonomy->name,
+			'what'     => $taxonomy->name,
-			'id' => $term_id,
+			'id'       => $term_id,
-			'data' => str_replace( array("\n", "\t"), '', $data),
+			'data'     => str_replace( array( "\n", "\t" ), '', $data ),
-			'position' => -1
+			'position' => -1,
 		);
 	}
 	ob_start();
-	wp_dropdown_categories( array(
+	wp_dropdown_categories(
-		'taxonomy' => $taxonomy->name, 'hide_empty' => 0, 'name' => 'new'.$taxonomy->name.'_parent', 'orderby' => 'name',
+		array(
-		'hierarchical' => 1, 'show_option_none' => '&mdash; '.$taxonomy->labels->parent_item.' &mdash;'
+			'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_clean();
 	$add['supplemental'] = array( 'newcat_parent' => $sup );
 * @since 3.1.0
 */
 function wp_ajax_delete_comment() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
-	if ( !$comment = get_comment( $id ) )
+	if ( ! $comment = get_comment( $id ) ) {
 		wp_die( time() );
-	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) )
+	}
+	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
 		wp_die( -1 );
+	}
 	check_ajax_referer( "delete-comment_$id" );
 	$status = wp_get_comment_status( $comment );
 	$delta = -1;
-	if ( isset($_POST['trash']) && 1 == $_POST['trash'] ) {
+	if ( isset( $_POST['trash'] ) && 1 == $_POST['trash'] ) {
-		if ( 'trash' == $status )
+		if ( 'trash' == $status ) {
 			wp_die( time() );
+		}
 		$r = wp_trash_comment( $comment );
-	} elseif ( isset($_POST['untrash']) && 1 == $_POST['untrash'] ) {
+	} elseif ( isset( $_POST['untrash'] ) && 1 == $_POST['untrash'] ) {
-		if ( 'trash' != $status )
+		if ( 'trash' != $status ) {
 			wp_die( time() );
+		}
 		$r = wp_untrash_comment( $comment );
-		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) // undo trash, not in trash
+		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 )
+	} elseif ( isset( $_POST['spam'] ) && 1 == $_POST['spam'] ) {
+		if ( 'spam' == $status ) {
 			wp_die( time() );
+		}
 		$r = wp_spam_comment( $comment );
-	} elseif ( isset($_POST['unspam']) && 1 == $_POST['unspam'] ) {
+	} elseif ( isset( $_POST['unspam'] ) && 1 == $_POST['unspam'] ) {
-		if ( 'spam' != $status )
+		if ( 'spam' != $status ) {
 			wp_die( time() );
+		}
 		$r = wp_unspam_comment( $comment );
-		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) // undo spam, not in spam
+		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) { // undo spam, not in spam
 			$delta = 1;
-	} elseif ( isset($_POST['delete']) && 1 == $_POST['delete'] ) {
+		}
+	} elseif ( isset( $_POST['delete'] ) && 1 == $_POST['delete'] ) {
 		$r = wp_delete_comment( $comment );
 	} else {
 		wp_die( -1 );
 	}
-	if ( $r ) // Decide if we need to send back '1' or a more complicated response including page links and comment counts
+	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 );
+	}
 	wp_die( 0 );
 }
 /**
 * Ajax handler for deleting a tag.
 	if ( ! current_user_can( 'delete_term', $tag_id ) ) {
 		wp_die( -1 );
 	}
-	$taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
+	$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
-	$tag = get_term( $tag_id, $taxonomy );
+	$tag      = get_term( $tag_id, $taxonomy );
-	if ( !$tag || is_wp_error( $tag ) )
+	if ( ! $tag || is_wp_error( $tag ) ) {
 		wp_die( 1 );
+	}
-	if ( wp_delete_term($tag_id, $taxonomy))
+	if ( wp_delete_term( $tag_id, $taxonomy ) ) {
 		wp_die( 1 );
-	else
+	} else {
 		wp_die( 0 );
+	}
 }
 /**
 * Ajax handler for deleting a link.
 *
 */
 function wp_ajax_delete_link() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "delete-bookmark_$id" );
-	if ( !current_user_can( 'manage_links' ) )
+	if ( ! current_user_can( 'manage_links' ) ) {
 		wp_die( -1 );
+	}
 	$link = get_bookmark( $id );
-	if ( !$link || is_wp_error( $link ) )
+	if ( ! $link || is_wp_error( $link ) ) {
 		wp_die( 1 );
+	}
-	if ( wp_delete_link( $id ) )
+	if ( wp_delete_link( $id ) ) {
 		wp_die( 1 );
-	else
+	} else {
 		wp_die( 0 );
+	}
 }
 /**
 * Ajax handler for deleting meta.
 *
 */
 function wp_ajax_delete_meta() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "delete-meta_$id" );
-	if ( !$meta = get_metadata_by_mid( 'post', $id ) )
+	if ( ! $meta = get_metadata_by_mid( 'post', $id ) ) {
 		wp_die( 1 );
+	}
-	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta',  $meta->post_id, $meta->meta_key ) )
+	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {
 		wp_die( -1 );
-	if ( delete_meta( $meta->meta_id ) )
+	}
+	if ( delete_meta( $meta->meta_id ) ) {
 		wp_die( 1 );
+	}
 	wp_die( 0 );
 }
 /**
 * Ajax handler for deleting a post.
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_delete_post( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'delete-post';
+	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
-	if ( !current_user_can( 'delete_post', $id ) )
+	if ( ! current_user_can( 'delete_post', $id ) ) {
 		wp_die( -1 );
+	}
-	if ( !get_post( $id ) )
+	if ( ! get_post( $id ) ) {
 		wp_die( 1 );
+	}
-	if ( wp_delete_post( $id ) )
+	if ( wp_delete_post( $id ) ) {
 		wp_die( 1 );
-	else
+	} else {
 		wp_die( 0 );
+	}
 }
 /**
 * Ajax handler for sending a post to the trash.
 *
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_trash_post( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'trash-post';
+	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
-	if ( !current_user_can( 'delete_post', $id ) )
+	if ( ! current_user_can( 'delete_post', $id ) ) {
 		wp_die( -1 );
+	}
-	if ( !get_post( $id ) )
+	if ( ! get_post( $id ) ) {
 		wp_die( 1 );
+	}
-	if ( 'trash-post' == $action )
+	if ( 'trash-post' == $action ) {
 		$done = wp_trash_post( $id );
-	else
+	} else {
 		$done = wp_untrash_post( $id );
+	}
-	if ( $done )
+	if ( $done ) {
 		wp_die( 1 );
+	}
 	wp_die( 0 );
 }
 /**
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_untrash_post( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'untrash-post';
+	}
 	wp_ajax_trash_post( $action );
 }
 /**
+* Ajax handler to delete a page.
+*
 * @since 3.1.0
 *
-* @param string $action
+* @param string $action Action to perform.
 */
 function wp_ajax_delete_page( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'delete-page';
+	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
-	if ( !current_user_can( 'delete_page', $id ) )
+	if ( ! current_user_can( 'delete_page', $id ) ) {
 		wp_die( -1 );
+	}
-	if ( ! get_post( $id ) )
+	if ( ! get_post( $id ) ) {
 		wp_die( 1 );
+	}
-	if ( wp_delete_post( $id ) )
+	if ( wp_delete_post( $id ) ) {
 		wp_die( 1 );
-	else
+	} else {
 		wp_die( 0 );
+	}
 }
 /**
 * Ajax handler to dim a comment.
 *
 * @since 3.1.0
 */
 function wp_ajax_dim_comment() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
-	if ( !$comment = get_comment( $id ) ) {
+	if ( ! $comment = get_comment( $id ) ) {
-		$x = new WP_Ajax_Response( array(
+		$x = new WP_Ajax_Response(
-			'what' => 'comment',
+			array(
-			'id' => new WP_Error('invalid_comment', sprintf(__('Comment %d does not exist'), $id))
+				'what' => 'comment',
-		) );
+				/* translators: %d: comment ID */
+				'id'   => new WP_Error( 'invalid_comment', sprintf( __( 'Comment %d does not exist' ), $id ) ),
+			)
+		);
 		$x->send();
 	}
-	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) )
+	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) ) {
 		wp_die( -1 );
+	}
 	$current = wp_get_comment_status( $comment );
-	if ( isset( $_POST['new'] ) && $_POST['new'] == $current )
+	if ( isset( $_POST['new'] ) && $_POST['new'] == $current ) {
 		wp_die( time() );
+	}
 	check_ajax_referer( "approve-comment_$id" );
 	if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) {
 		$result = wp_set_comment_status( $comment, 'approve', true );
 	} else {
 		$result = wp_set_comment_status( $comment, 'hold', true );
 	}
-	if ( is_wp_error($result) ) {
+	if ( is_wp_error( $result ) ) {
-		$x = new WP_Ajax_Response( array(
+		$x = new WP_Ajax_Response(
-			'what' => 'comment',
+			array(
-			'id' => $result
+				'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 );
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_add_link_category( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'add-link-category';
+	}
 	check_ajax_referer( $action );
 	$tax = get_taxonomy( 'link_category' );
 	if ( ! current_user_can( $tax->cap->manage_terms ) ) {
 		wp_die( -1 );
 	}
-	$names = explode(',', wp_unslash( $_POST['newcat'] ) );
+	$names = explode( ',', wp_unslash( $_POST['newcat'] ) );
-	$x = new WP_Ajax_Response();
+	$x     = new WP_Ajax_Response();
 	foreach ( $names as $cat_name ) {
-		$cat_name = trim($cat_name);
+		$cat_name = trim( $cat_name );
-		$slug = sanitize_title($cat_name);
+		$slug     = sanitize_title( $cat_name );
-		if ( '' === $slug )
+		if ( '' === $slug ) {
 			continue;
+		}
 		$cat_id = wp_insert_term( $cat_name, 'link_category' );
 		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
 			continue;
 		} else {
 			$cat_id = $cat_id['term_id'];
 		}
 		$cat_name = esc_html( $cat_name );
-		$x->add( array(
+		$x->add(
-			'what' => 'link-category',
+			array(
-			'id' => $cat_id,
+				'what'     => 'link-category',
-			'data' => "<li id='link-category-$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>",
+				'id'       => $cat_id,
-			'position' => -1
+				'data'     => "<li id='link-category-$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();
 }
 /**
 *
 * @since 3.1.0
 */
 function wp_ajax_add_tag() {
 	check_ajax_referer( 'add-tag', '_wpnonce_add-tag' );
-	$taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
+	$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
-	$tax = get_taxonomy($taxonomy);
+	$tax      = get_taxonomy( $taxonomy );
-	if ( !current_user_can( $tax->cap->edit_terms ) )
+	if ( ! current_user_can( $tax->cap->edit_terms ) ) {
 		wp_die( -1 );
+	}
 	$x = new WP_Ajax_Response();
-	$tag = wp_insert_term($_POST['tag-name'], $taxonomy, $_POST );
+	$tag = wp_insert_term( $_POST['tag-name'], $taxonomy, $_POST );
-	if ( !$tag || is_wp_error($tag) || (!$tag = get_term( $tag['term_id'], $taxonomy )) ) {
+	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.');
+		$message = __( 'An error has occurred. Please reload the page and try again.' );
-		if ( is_wp_error($tag) && $tag->get_error_message() )
+		if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
 			$message = $tag->get_error_message();
+		}
-		$x->add( array(
-			'what' => 'taxonomy',
+		$x->add(
-			'data' => new WP_Error('error', $message )
+			array(
-		) );
+				'what' => 'taxonomy',
+				'data' => new WP_Error( 'error', $message ),
+			)
+		);
 		$x->send();
 	}
 	$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => $_POST['screen'] ) );
-	$level = 0;
+	$level     = 0;
-	if ( is_taxonomy_hierarchical($taxonomy) ) {
+	$noparents = '';
+	if ( is_taxonomy_hierarchical( $taxonomy ) ) {
 		$level = count( get_ancestors( $tag->term_id, $taxonomy, '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(
+	$x->add(
-		'what' => 'taxonomy',
+		array(
-		'supplemental' => compact('parents', 'noparents')
+			'what'         => 'taxonomy',
-	) );
+			'supplemental' => compact( 'parents', 'noparents' ),
-	$x->add( array(
+		)
-		'what' => 'term',
+	);
-		'position' => $level,
+	$x->add(
-		'supplemental' => (array) $tag
+		array(
-	) );
+			'what'         => 'term',
+			'position'     => $level,
+			'supplemental' => (array) $tag,
+		)
+	);
 	$x->send();
 }
 /**
 * Ajax handler for getting a tagcloud.
 	if ( ! isset( $_POST['tax'] ) ) {
 		wp_die( 0 );
 	}
 	$taxonomy = sanitize_key( $_POST['tax'] );
-	$tax = get_taxonomy( $taxonomy );
+	$tax      = get_taxonomy( $taxonomy );
 	if ( ! $tax ) {
 		wp_die( 0 );
 	}
 	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
 		wp_die( -1 );
 	}
-	$tags = get_terms( $taxonomy, array( 'number' => 45, 'orderby' => 'count', 'order' => 'DESC' ) );
+	$tags = get_terms(
+		$taxonomy,
-	if ( empty( $tags ) )
+		array(
+			'number'  => 45,
+			'orderby' => 'count',
+			'order'   => 'DESC',
+		)
+	);
+	if ( empty( $tags ) ) {
 		wp_die( $tax->labels->not_found );
+	}
-	if ( is_wp_error( $tags ) )
+	if ( is_wp_error( $tags ) ) {
 		wp_die( $tags->get_error_message() );
+	}
 	foreach ( $tags as $key => $tag ) {
 		$tags[ $key ]->link = '#';
-		$tags[ $key ]->id = $tag->term_id;
+		$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, 'format' => 'list' ) );
+	$return = wp_generate_tag_cloud(
+		$tags,
-	if ( empty($return) )
+		array(
+			'filter' => 0,
+			'format' => 'list',
+		)
+	);
+	if ( empty( $return ) ) {
 		wp_die( 0 );
+	}
 	echo $return;
 	wp_die();
 }
 	}
 	$x = new WP_Ajax_Response();
 	ob_start();
 	foreach ( $wp_list_table->items as $comment ) {
-		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved )
+		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved ) {
 			continue;
+		}
 		get_comment( $comment );
 		$wp_list_table->single_row( $comment );
 	}
 	$comment_list_item = ob_get_clean();
-	$x->add( array(
+	$x->add(
-		'what' => 'comments',
+		array(
-		'data' => $comment_list_item
+			'what' => 'comments',
-	) );
+			'data' => $comment_list_item,
+		)
+	);
 	$x->send();
 }
 /**
 * Ajax handler for replying to a comment.
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_replyto_comment( $action ) {
-	if ( empty( $action ) )
+	if ( empty( $action ) ) {
 		$action = 'replyto-comment';
+	}
 	check_ajax_referer( $action, '_ajax_nonce-replyto-comment' );
 	$comment_post_ID = (int) $_POST['comment_post_ID'];
-	$post = get_post( $comment_post_ID );
+	$post            = get_post( $comment_post_ID );
-	if ( ! $post )
+	if ( ! $post ) {
 		wp_die( -1 );
+	}
-	if ( !current_user_can( 'edit_post', $comment_post_ID ) )
+	if ( ! current_user_can( 'edit_post', $comment_post_ID ) ) {
 		wp_die( -1 );
+	}
-	if ( empty( $post->post_status ) )
+	if ( empty( $post->post_status ) ) {
 		wp_die( 1 );
-	elseif ( in_array($post->post_status, array('draft', 'pending', 'trash') ) )
+	} elseif ( in_array( $post->post_status, array( 'draft', 'pending', 'trash' ) ) ) {
-		wp_die( __('ERROR: you are replying to a comment on a draft post.') );
+		wp_die( __( 'ERROR: you are replying to a comment on a draft post.' ) );
+	}
 	$user = wp_get_current_user();
 	if ( $user->exists() ) {
-		$user_ID = $user->ID;
+		$user_ID              = $user->ID;
 		$comment_author       = wp_slash( $user->display_name );
 		$comment_author_email = wp_slash( $user->user_email );
 		$comment_author_url   = wp_slash( $user->user_url );
 		$comment_content      = trim( $_POST['content'] );
 		$comment_type         = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : '';
 		if ( current_user_can( 'unfiltered_html' ) ) {
-			if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) )
+			if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) ) {
 				$_POST['_wp_unfiltered_html_comment'] = '';
+			}
 			if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {
 				kses_remove_filters(); // start with a clean slate
 				kses_init_filters(); // set up the filters
+				remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+				add_filter( 'pre_comment_content', 'wp_filter_kses' );
 			}
 		}
 	} else {
 		wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) );
 	}
-	if ( '' == $comment_content )
+	if ( '' == $comment_content ) {
 		wp_die( __( 'ERROR: please type a comment.' ) );
+	}
 	$comment_parent = 0;
-	if ( isset( $_POST['comment_ID'] ) )
+	if ( isset( $_POST['comment_ID'] ) ) {
 		$comment_parent = absint( $_POST['comment_ID'] );
+	}
 	$comment_auto_approved = false;
-	$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
+	$commentdata           = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID' );
 	// Automatically approve parent comment.
-	if ( !empty($_POST['approve_parent']) ) {
+	if ( ! empty( $_POST['approve_parent'] ) ) {
 		$parent = get_comment( $comment_parent );
 		if ( $parent && $parent->comment_approved === '0' && $parent->comment_post_ID == $comment_post_ID ) {
 			if ( ! current_user_can( 'edit_comment', $parent->comment_ID ) ) {
 				wp_die( -1 );
 			}
-			if ( wp_set_comment_status( $parent, 'approve' ) )
+			if ( wp_set_comment_status( $parent, 'approve' ) ) {
 				$comment_auto_approved = true;
+			}
 		}
 	}
 	$comment_id = wp_new_comment( $commentdata );
 	if ( is_wp_error( $comment_id ) ) {
 		wp_die( $comment_id->get_error_message() );
 	}
-	$comment = get_comment($comment_id);
+	$comment = get_comment( $comment_id );
-	if ( ! $comment ) wp_die( 1 );
+	if ( ! $comment ) {
+		wp_die( 1 );
-	$position = ( isset($_POST['position']) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
+	}
+	$position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
 	ob_start();
 	if ( isset( $_REQUEST['mode'] ) && 'dashboard' == $_REQUEST['mode'] ) {
 		require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
 		_wp_dashboard_recent_comments_row( $comment );
 	} else {
 		if ( isset( $_REQUEST['mode'] ) && 'single' == $_REQUEST['mode'] ) {
-			$wp_list_table = _get_list_table('WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+			$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
 		} else {
-			$wp_list_table = _get_list_table('WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+			$wp_list_table = _get_list_table( 'WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
 		}
 		$wp_list_table->single_row( $comment );
 	}
 	$comment_list_item = ob_get_clean();
-	$response =  array(
+	$response = array(
-		'what' => 'comment',
+		'what'     => 'comment',
-		'id' => $comment->comment_ID,
+		'id'       => $comment->comment_ID,
-		'data' => $comment_list_item,
+		'data'     => $comment_list_item,
-		'position' => $position
+		'position' => $position,
 	);
-	$counts = wp_count_comments();
+	$counts                   = wp_count_comments();
 	$response['supplemental'] = array(
-		'in_moderation' => $counts->moderated,
+		'in_moderation'        => $counts->moderated,
-		'i18n_comments_text' => sprintf(
+		'i18n_comments_text'   => sprintf(
+			/* translators: %s: number of comments approved */
 			_n( '%s Comment', '%s Comments', $counts->approved ),
 			number_format_i18n( $counts->approved )
 		),
 		'i18n_moderation_text' => sprintf(
-			_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
+			/* translators: %s: number of comments in moderation */
+			_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
 			number_format_i18n( $counts->moderated )
-		)
+		),
 	);
 	if ( $comment_auto_approved ) {
 		$response['supplemental']['parent_approved'] = $parent->comment_ID;
-		$response['supplemental']['parent_post_id'] = $parent->comment_post_ID;
+		$response['supplemental']['parent_post_id']  = $parent->comment_post_ID;
 	}
 	$x = new WP_Ajax_Response();
 	$x->add( $response );
 	$x->send();
 */
 function wp_ajax_edit_comment() {
 	check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' );
 	$comment_id = (int) $_POST['comment_ID'];
-	if ( ! current_user_can( 'edit_comment', $comment_id ) )
+	if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
 		wp_die( -1 );
+	}
-	if ( '' == $_POST['content'] )
+	if ( '' == $_POST['content'] ) {
 		wp_die( __( 'ERROR: please type a comment.' ) );
+	}
-	if ( isset( $_POST['status'] ) )
+	if ( isset( $_POST['status'] ) ) {
 		$_POST['comment_status'] = $_POST['status'];
+	}
 	edit_comment();
-	$position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
+	$position      = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
-	$checkbox = ( isset($_POST['checkbox']) && true == $_POST['checkbox'] ) ? 1 : 0;
+	$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', array( 'screen' => 'edit-comments' ) );
 	$comment = get_comment( $comment_id );
-	if ( empty( $comment->comment_ID ) )
+	if ( empty( $comment->comment_ID ) ) {
 		wp_die( -1 );
+	}
 	ob_start();
 	$wp_list_table->single_row( $comment );
 	$comment_list_item = ob_get_clean();
 	$x = new WP_Ajax_Response();
-	$x->add( array(
+	$x->add(
-		'what' => 'edit_comment',
+		array(
-		'id' => $comment->comment_ID,
+			'what'     => 'edit_comment',
-		'data' => $comment_list_item,
+			'id'       => $comment->comment_ID,
-		'position' => $position
+			'data'     => $comment_list_item,
-	));
+			'position' => $position,
+		)
+	);
 	$x->send();
 }
 /**
 * @since 3.1.0
 */
 function wp_ajax_add_menu_item() {
 	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
-	if ( ! current_user_can( 'edit_theme_options' ) )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	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.
 		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'] ) {
+			switch ( $menu_item_data['menu-item-type'] ) {
-				case 'post_type' :
+				case 'post_type':
 					$_object = get_post( $menu_item_data['menu-item-object-id'] );
-				break;
+					break;
-				case 'post_type_archive' :
+				case 'post_type_archive':
 					$_object = get_post_type_object( $menu_item_data['menu-item-object'] );
-				break;
+					break;
-				case 'taxonomy' :
+				case 'taxonomy':
 					$_object = get_term( $menu_item_data['menu-item-object-id'], $menu_item_data['menu-item-object'] );
-				break;
+					break;
 			}
 			$_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) );
-			$_menu_item = reset( $_menu_items );
+			$_menu_item  = reset( $_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 ) )
+	if ( is_wp_error( $item_ids ) ) {
 		wp_die( 0 );
+	}
 	$menu_items = array();
 	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        = wp_setup_nav_menu_item( $menu_obj );
+			$menu_obj->title = empty( $menu_obj->title ) ? __( 'Menu Item' ) : $menu_obj->title;
 			$menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
-			$menu_items[] = $menu_obj;
+			$menu_items[]    = $menu_obj;
 		}
 	}
 	/** This filter is documented in wp-admin/includes/nav-menu.php */
 	$walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $_POST['menu'] );
-	if ( ! class_exists( $walker_class_name ) )
+	if ( ! class_exists( $walker_class_name ) ) {
 		wp_die( 0 );
+	}
 	if ( ! empty( $menu_items ) ) {
 		$args = array(
-			'after' => '',
+			'after'       => '',
-			'before' => '',
+			'before'      => '',
-			'link_after' => '',
+			'link_after'  => '',
 			'link_before' => '',
-			'walker' => new $walker_class_name,
+			'walker'      => new $walker_class_name,
 		);
 		echo walk_nav_menu_tree( $menu_items, 0, (object) $args );
 	}
 	wp_die();
 }
 *
 * @since 3.1.0
 */
 function wp_ajax_add_meta() {
 	check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' );
-	$c = 0;
+	$c    = 0;
-	$pid = (int) $_POST['post_id'];
+	$pid  = (int) $_POST['post_id'];
 	$post = get_post( $pid );
-	if ( isset($_POST['metakeyselect']) || isset($_POST['metakeyinput']) ) {
+	if ( isset( $_POST['metakeyselect'] ) || isset( $_POST['metakeyinput'] ) ) {
-		if ( !current_user_can( 'edit_post', $pid ) )
+		if ( ! current_user_can( 'edit_post', $pid ) ) {
 			wp_die( -1 );
-		if ( isset($_POST['metakeyselect']) && '#NONE#' == $_POST['metakeyselect'] && empty($_POST['metakeyinput']) )
+		}
+		if ( isset( $_POST['metakeyselect'] ) && '#NONE#' == $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) {
 			wp_die( 1 );
+		}
 		// If the post is an autodraft, save the post as a draft and then attempt to save the meta.
 		if ( $post->post_status == 'auto-draft' ) {
-			$post_data = array();
+			$post_data                = array();
-			$post_data['action'] = 'draft'; // Warning fix
+			$post_data['action']      = 'draft'; // Warning fix
-			$post_data['post_ID'] = $pid;
+			$post_data['post_ID']     = $pid;
-			$post_data['post_type'] = $post->post_type;
+			$post_data['post_type']   = $post->post_type;
 			$post_data['post_status'] = 'draft';
-			$now = current_time('timestamp', 1);
+			$now                      = time();
 			/* translators: 1: Post creation date, 2: Post creation time */
 			$post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), date( __( 'F j, Y' ), $now ), date( __( 'g:i a' ), $now ) );
 			$pid = edit_post( $post_data );
 			if ( $pid ) {
 				if ( is_wp_error( $pid ) ) {
-					$x = new WP_Ajax_Response( array(
+					$x = new WP_Ajax_Response(
-						'what' => 'meta',
+						array(
-						'data' => $pid
+							'what' => 'meta',
-					) );
+							'data' => $pid,
+						)
+					);
 					$x->send();
 				}
-				if ( !$mid = add_meta( $pid ) )
+				if ( ! $mid = add_meta( $pid ) ) {
 					wp_die( __( 'Please provide a custom field value.' ) );
+				}
 			} else {
 				wp_die( 0 );
 			}
 		} elseif ( ! $mid = add_meta( $pid ) ) {
 			wp_die( __( 'Please provide a custom field value.' ) );
 		}
 		$meta = get_metadata_by_mid( 'post', $mid );
-		$pid = (int) $meta->post_id;
+		$pid  = (int) $meta->post_id;
 		$meta = get_object_vars( $meta );
-		$x = new WP_Ajax_Response( array(
+		$x    = new WP_Ajax_Response(
-			'what' => 'meta',
+			array(
-			'id' => $mid,
+				'what'         => 'meta',
-			'data' => _list_meta_row( $meta, $c ),
+				'id'           => $mid,
-			'position' => 1,
+				'data'         => _list_meta_row( $meta, $c ),
-			'supplemental' => array('postid' => $pid)
+				'position'     => 1,
-		) );
+				'supplemental' => array( 'postid' => $pid ),
+			)
+		);
 	} else { // Update?
-		$mid = (int) key( $_POST['meta'] );
+		$mid   = (int) key( $_POST['meta'] );
-		$key = wp_unslash( $_POST['meta'][$mid]['key'] );
+		$key   = wp_unslash( $_POST['meta'][ $mid ]['key'] );
-		$value = wp_unslash( $_POST['meta'][$mid]['value'] );
+		$value = wp_unslash( $_POST['meta'][ $mid ]['value'] );
-		if ( '' == trim($key) )
+		if ( '' == trim( $key ) ) {
 			wp_die( __( 'Please provide a custom field name.' ) );
-		if ( '' == trim($value) )
+		}
-			wp_die( __( 'Please provide a custom field value.' ) );
+		if ( ! $meta = get_metadata_by_mid( 'post', $mid ) ) {
-		if ( ! $meta = get_metadata_by_mid( 'post', $mid ) )
 			wp_die( 0 ); // if meta doesn't exist
+		}
 		if ( is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) ||
 			! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) ||
-			! current_user_can( 'edit_post_meta', $meta->post_id, $key ) )
+			! current_user_can( 'edit_post_meta', $meta->post_id, $key ) ) {
 			wp_die( -1 );
+		}
 		if ( $meta->meta_value != $value || $meta->meta_key != $key ) {
-			if ( !$u = update_metadata_by_mid( 'post', $mid, $value, $key ) )
+			if ( ! $u = update_metadata_by_mid( 'post', $mid, $value, $key ) ) {
 				wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
-		}
+			}
+		}
-		$x = new WP_Ajax_Response( array(
-			'what' => 'meta',
+		$x = new WP_Ajax_Response(
-			'id' => $mid, 'old_id' => $mid,
+			array(
-			'data' => _list_meta_row( array(
+				'what'         => 'meta',
-				'meta_key' => $key,
+				'id'           => $mid,
-				'meta_value' => $value,
+				'old_id'       => $mid,
-				'meta_id' => $mid
+				'data'         => _list_meta_row(
-			), $c ),
+					array(
-			'position' => 0,
+						'meta_key'   => $key,
-			'supplemental' => array('postid' => $meta->post_id)
+						'meta_value' => $value,
-		) );
+						'meta_id'    => $mid,
+					),
+					$c
+				),
+				'position'     => 0,
+				'supplemental' => array( 'postid' => $meta->post_id ),
+			)
+		);
 	}
 	$x->send();
 }
 /**
 	if ( empty( $action ) ) {
 		$action = 'add-user';
 	}
 	check_ajax_referer( $action );
-	if ( ! current_user_can('create_users') )
+	if ( ! current_user_can( 'create_users' ) ) {
 		wp_die( -1 );
+	}
 	if ( ! $user_id = edit_user() ) {
 		wp_die( 0 );
 	} elseif ( is_wp_error( $user_id ) ) {
-		$x = new WP_Ajax_Response( array(
+		$x = new WP_Ajax_Response(
-			'what' => 'user',
+			array(
-			'id' => $user_id
+				'what' => 'user',
-		) );
+				'id'   => $user_id,
+			)
+		);
 		$x->send();
 	}
 	$user_object = get_userdata( $user_id );
-	$wp_list_table = _get_list_table('WP_Users_List_Table');
+	$wp_list_table = _get_list_table( 'WP_Users_List_Table' );
 	$role = current( $user_object->roles );
-	$x = new WP_Ajax_Response( array(
+	$x = new WP_Ajax_Response(
-		'what' => 'user',
+		array(
-		'id' => $user_id,
+			'what'         => 'user',
-		'data' => $wp_list_table->single_row( $user_object, '', $role ),
+			'id'           => $user_id,
-		'supplemental' => array(
+			'data'         => $wp_list_table->single_row( $user_object, '', $role ),
-			'show-link' => sprintf(
+			'supplemental' => array(
-				/* translators: %s: the new user */
+				'show-link' => sprintf(
-				__( 'User %s added' ),
+					/* translators: %s: the new user */
-				'<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>'
+					__( 'User %s added' ),
+					'<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>'
+				),
+				'role'      => $role,
 			),
-			'role' => $role,
 		)
-	) );
+	);
 	$x->send();
 }
 /**
 * Ajax handler for closed post boxes.
 *
 * @since 3.1.0
 */
 function wp_ajax_closed_postboxes() {
 	check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' );
-	$closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed']) : array();
+	$closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed'] ) : array();
-	$closed = array_filter($closed);
+	$closed = array_filter( $closed );
-	$hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden']) : array();
+	$hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
-	$hidden = array_filter($hidden);
+	$hidden = array_filter( $hidden );
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) )
+	if ( $page != sanitize_key( $page ) ) {
 		wp_die( 0 );
+	}
-	if ( ! $user = wp_get_current_user() )
+	if ( ! $user = wp_get_current_user() ) {
 		wp_die( -1 );
+	}
-	if ( is_array($closed) )
-		update_user_option($user->ID, "closedpostboxes_$page", $closed, true);
+	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);
+	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 );
 	}
 	wp_die( 1 );
 }
 */
 function wp_ajax_hidden_columns() {
 	check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) )
+	if ( $page != sanitize_key( $page ) ) {
 		wp_die( 0 );
+	}
-	if ( ! $user = wp_get_current_user() )
+	if ( ! $user = wp_get_current_user() ) {
 		wp_die( -1 );
+	}
 	$hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
 	update_user_option( $user->ID, "manage{$page}columnshidden", $hidden, true );
 	wp_die( 1 );
 * @since 3.1.0
 */
 function wp_ajax_update_welcome_panel() {
 	check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' );
-	if ( ! current_user_can( 'edit_theme_options' ) )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 );
 	wp_die( 1 );
 }
 /**
-* Ajax handler for updating whether to display the Try Gutenberg panel.
-*
-* @since 4.9.8
-*/
-function wp_ajax_update_try_gutenberg_panel() {
-	check_ajax_referer( 'try-gutenberg-panel-nonce', 'trygutenbergpanelnonce' );
-	update_user_meta( get_current_user_id(), 'show_try_gutenberg_panel', empty( $_POST['visible'] ) ? 0 : 1 );
-	wp_die( 1 );
-}
-/**
 * Ajax handler for retrieving menu meta boxes.
 *
 * @since 3.1.0
 */
 function wp_ajax_menu_get_metabox() {
-	if ( ! current_user_can( 'edit_theme_options' ) )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
 	if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
-		$type = 'posttype';
+		$type     = 'posttype';
 		$callback = 'wp_nav_menu_item_post_type_meta_box';
-		$items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+		$items    = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
 	} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
-		$type = 'taxonomy';
+		$type     = 'taxonomy';
 		$callback = 'wp_nav_menu_item_taxonomy_meta_box';
-		$items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
+		$items    = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
 	}
-	if ( ! empty( $_POST['item-object'] ) && isset( $items[$_POST['item-object']] ) ) {
+	if ( ! empty( $_POST['item-object'] ) && isset( $items[ $_POST['item-object'] ] ) ) {
 		$menus_meta_box_object = $items[ $_POST['item-object'] ];
 		/** This filter is documented in wp-admin/includes/nav-menu.php */
 		$item = apply_filters( 'nav_menu_meta_box_object', $menus_meta_box_object );
 		ob_start();
-		call_user_func_array($callback, array(
+		call_user_func_array(
-			null,
+			$callback,
 			array(
-				'id' => 'add-' . $item->name,
+				null,
-				'title' => $item->labels->name,
+				array(
-				'callback' => $callback,
+					'id'       => 'add-' . $item->name,
-				'args' => $item,
+					'title'    => $item->labels->name,
+					'callback' => $callback,
+					'args'     => $item,
+				),
 			)
-		));
+		);
 		$markup = ob_get_clean();
-		echo wp_json_encode(array(
+		echo wp_json_encode(
-			'replace-id' => $type . '-' . $item->name,
+			array(
-			'markup' => $markup,
+				'replace-id' => $type . '-' . $item->name,
-		));
+				'markup'     => $markup,
+			)
+		);
 	}
 	wp_die();
 }
 		require( ABSPATH . WPINC . '/class-wp-editor.php' );
 	}
 	$results = _WP_Editors::wp_link_query( $args );
-	if ( ! isset( $results ) )
+	if ( ! isset( $results ) ) {
 		wp_die( 0 );
+	}
 	echo wp_json_encode( $results );
 	echo "\n";
 	wp_die();
 * Ajax handler for menu locations save.
 *
 * @since 3.1.0
 */
 function wp_ajax_menu_locations_save() {
-	if ( ! current_user_can( 'edit_theme_options' ) )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
-	if ( ! isset( $_POST['menu-locations'] ) )
+	if ( ! isset( $_POST['menu-locations'] ) ) {
 		wp_die( 0 );
+	}
 	set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
 	wp_die( 1 );
 }
 /**
 *
 * @since 3.1.0
 */
 function wp_ajax_meta_box_order() {
 	check_ajax_referer( 'meta-box-order' );
-	$order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
+	$order        = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
 	$page_columns = isset( $_POST['page_columns'] ) ? $_POST['page_columns'] : 'auto';
-	if ( $page_columns != 'auto' )
+	if ( $page_columns != 'auto' ) {
 		$page_columns = (int) $page_columns;
+	}
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) )
+	if ( $page != sanitize_key( $page ) ) {
 		wp_die( 0 );
+	}
-	if ( ! $user = wp_get_current_user() )
+	if ( ! $user = wp_get_current_user() ) {
 		wp_die( -1 );
+	}
-	if ( $order )
-		update_user_option($user->ID, "meta-box-order_$page", $order, true);
+	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);
+	if ( $page_columns ) {
+		update_user_option( $user->ID, "screen_layout_$page", $page_columns, true );
+	}
 	wp_die( 1 );
 }
 /**
 * Ajax handler for menu quick searching.
 *
 * @since 3.1.0
 */
 function wp_ajax_menu_quick_search() {
-	if ( ! current_user_can( 'edit_theme_options' ) )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
 	_wp_ajax_menu_quick_search( $_POST );
 *
 * @since 3.1.0
 */
 function wp_ajax_get_permalink() {
 	check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
-	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
+	$post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0;
 	wp_die( get_preview_post_link( $post_id ) );
 }
 /**
 * Ajax handler to retrieve a sample permalink.
 *
 * @since 3.1.0
 */
 function wp_ajax_sample_permalink() {
 	check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' );
-	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
+	$post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0;
-	$title = isset($_POST['new_title'])? $_POST['new_title'] : '';
+	$title   = isset( $_POST['new_title'] ) ? $_POST['new_title'] : '';
-	$slug = isset($_POST['new_slug'])? $_POST['new_slug'] : null;
+	$slug    = isset( $_POST['new_slug'] ) ? $_POST['new_slug'] : null;
 	wp_die( get_sample_permalink_html( $post_id, $title, $slug ) );
 }
 /**
 * Ajax handler for Quick Edit saving a post from a list table.
 function wp_ajax_inline_save() {
 	global $mode;
 	check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
-	if ( ! isset($_POST['post_ID']) || ! ( $post_ID = (int) $_POST['post_ID'] ) )
+	if ( ! isset( $_POST['post_ID'] ) || ! ( $post_ID = (int) $_POST['post_ID'] ) ) {
 		wp_die();
+	}
 	if ( 'page' == $_POST['post_type'] ) {
-		if ( ! current_user_can( 'edit_page', $post_ID ) )
+		if ( ! current_user_can( 'edit_page', $post_ID ) ) {
 			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
+		}
 	} else {
-		if ( ! current_user_can( 'edit_post', $post_ID ) )
+		if ( ! current_user_can( 'edit_post', $post_ID ) ) {
 			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+		}
 	}
 	if ( $last = wp_check_post_lock( $post_ID ) ) {
-		$last_user = get_userdata( $last );
+		$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 ) );
+		/* translators: %s: user who is currently editing the post */
+		$msg_template = __( 'Saving is disabled: %s is currently editing this post.' );
+		if ( $_POST['post_type'] == 'page' ) {
+			/* translators: %s: user who is currently editing the page */
+			$msg_template = __( 'Saving is disabled: %s is currently editing this page.' );
+		}
+		printf( $msg_template, esc_html( $last_user_name ) );
 		wp_die();
 	}
 	$data = &$_POST;
 	$post = get_post( $post_ID, ARRAY_A );
 	// Since it's coming from the database.
-	$post = wp_slash($post);
+	$post = wp_slash( $post );
 	$data['content'] = $post['post_content'];
 	$data['excerpt'] = $post['post_excerpt'];
 	// Rename.
 	$data['user_ID'] = get_current_user_id();
-	if ( isset($data['post_parent']) )
+	if ( isset( $data['post_parent'] ) ) {
 		$data['parent_id'] = $data['post_parent'];
+	}
 	// Status.
 	if ( isset( $data['keep_private'] ) && 'private' == $data['keep_private'] ) {
 		$data['visibility']  = 'private';
 		$data['post_status'] = 'private';
 	} else {
 		$data['post_status'] = $data['_status'];
 	}
-	if ( empty($data['comment_status']) )
+	if ( empty( $data['comment_status'] ) ) {
 		$data['comment_status'] = 'closed';
-	if ( empty($data['ping_status']) )
+	}
+	if ( empty( $data['ping_status'] ) ) {
 		$data['ping_status'] = 'closed';
+	}
 	// Exclude terms from taxonomies that are not supposed to appear in Quick Edit.
 	if ( ! empty( $data['tax_input'] ) ) {
 		foreach ( $data['tax_input'] as $taxonomy => $terms ) {
 			$tax_object = get_taxonomy( $taxonomy );
 	}
 	// Hack: wp_unique_post_slug() doesn't work for drafts, so we will fake that our post is published.
 	if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ) ) ) {
 		$post['post_status'] = 'publish';
-		$data['post_name'] = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] );
+		$data['post_name']   = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] );
 	}
 	// Update the post.
 	edit_post();
 */
 function wp_ajax_inline_save_tax() {
 	check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
 	$taxonomy = sanitize_key( $_POST['taxonomy'] );
-	$tax = get_taxonomy( $taxonomy );
+	$tax      = get_taxonomy( $taxonomy );
-	if ( ! $tax )
+	if ( ! $tax ) {
 		wp_die( 0 );
+	}
 	if ( ! isset( $_POST['tax_ID'] ) || ! ( $id = (int) $_POST['tax_ID'] ) ) {
 		wp_die( -1 );
 	}
 		wp_die( -1 );
 	}
 	$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => 'edit-' . $taxonomy ) );
-	$tag = get_term( $id, $taxonomy );
+	$tag                  = get_term( $id, $taxonomy );
 	$_POST['description'] = $tag->description;
-	$updated = wp_update_term($id, $taxonomy, $_POST);
+	$updated = wp_update_term( $id, $taxonomy, $_POST );
-	if ( $updated && !is_wp_error($updated) ) {
+	if ( $updated && ! is_wp_error( $updated ) ) {
 		$tag = get_term( $updated['term_id'], $taxonomy );
-		if ( !$tag || is_wp_error( $tag ) ) {
+		if ( ! $tag || is_wp_error( $tag ) ) {
-			if ( is_wp_error($tag) && $tag->get_error_message() )
+			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
 				wp_die( $tag->get_error_message() );
+			}
 			wp_die( __( 'Item not updated.' ) );
 		}
 	} else {
-		if ( is_wp_error($updated) && $updated->get_error_message() )
+		if ( is_wp_error( $updated ) && $updated->get_error_message() ) {
 			wp_die( $updated->get_error_message() );
+		}
 		wp_die( __( 'Item not updated.' ) );
 	}
-	$level = 0;
+	$level  = 0;
 	$parent = $tag->parent;
 	while ( $parent > 0 ) {
 		$parent_tag = get_term( $parent, $taxonomy );
-		$parent = $parent_tag->parent;
+		$parent     = $parent_tag->parent;
 		$level++;
 	}
 	$wp_list_table->single_row( $tag, $level );
 	wp_die();
 }
 	check_ajax_referer( 'find-posts' );
 	$post_types = get_post_types( array( 'public' => true ), 'objects' );
 	unset( $post_types['attachment'] );
-	$s = wp_unslash( $_POST['ps'] );
+	$s    = wp_unslash( $_POST['ps'] );
 	$args = array(
-		'post_type' => array_keys( $post_types ),
+		'post_type'      => array_keys( $post_types ),
-		'post_status' => 'any',
+		'post_status'    => 'any',
 		'posts_per_page' => 50,
 	);
-	if ( '' !== $s )
+	if ( '' !== $s ) {
 		$args['s'] = $s;
+	}
 	$posts = get_posts( $args );
 	if ( ! $posts ) {
 		wp_send_json_error( __( 'No items found.' ) );
 	}
-	$html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>'.__('Title').'</th><th class="no-break">'.__('Type').'</th><th class="no-break">'.__('Date').'</th><th class="no-break">'.__('Status').'</th></tr></thead><tbody>';
+	$html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>' . __( 'Title' ) . '</th><th class="no-break">' . __( 'Type' ) . '</th><th class="no-break">' . __( 'Date' ) . '</th><th class="no-break">' . __( 'Status' ) . '</th></tr></thead><tbody>';
-	$alt = '';
+	$alt  = '';
 	foreach ( $posts as $post ) {
 		$title = trim( $post->post_title ) ? $post->post_title : __( '(no title)' );
-		$alt = ( 'alternate' == $alt ) ? '' : 'alternate';
+		$alt   = ( 'alternate' == $alt ) ? '' : 'alternate';
 		switch ( $post->post_status ) {
-			case 'publish' :
+			case 'publish':
-			case 'private' :
+			case 'private':
-				$stat = __('Published');
+				$stat = __( 'Published' );
 				break;
-			case 'future' :
+			case 'future':
-				$stat = __('Scheduled');
+				$stat = __( 'Scheduled' );
 				break;
-			case 'pending' :
+			case 'pending':
-				$stat = __('Pending Review');
+				$stat = __( 'Pending Review' );
 				break;
-			case 'draft' :
+			case 'draft':
-				$stat = __('Draft');
+				$stat = __( 'Draft' );
 				break;
 		}
 		if ( '0000-00-00 00:00:00' == $post->post_date ) {
 			$time = '';
 		} else {
 			/* translators: date format in table columns, see https://secure.php.net/date */
-			$time = mysql2date(__('Y/m/d'), $post->post_date);
+			$time = mysql2date( __( 'Y/m/d' ), $post->post_date );
 		}
-		$html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><td class="found-radio"><input type="radio" id="found-'.$post->ID.'" name="found_post_id" value="' . esc_attr($post->ID) . '"></td>';
+		$html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><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( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[$post->post_type]->labels->singular_name ) . '</td><td class="no-break">'.esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ). ' </td></tr>' . "\n\n";
+		$html .= '<td><label for="found-' . $post->ID . '">' . esc_html( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[ $post->post_type ]->labels->singular_name ) . '</td><td class="no-break">' . esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ) . ' </td></tr>' . "\n\n";
 	}
 	$html .= '</tbody></table>';
 	wp_send_json_success( $html );
 * @since 3.1.0
 */
 function wp_ajax_widgets_order() {
 	check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
-	if ( !current_user_can('edit_theme_options') )
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
+	}
 	unset( $_POST['savewidgets'], $_POST['action'] );
 	// Save widgets order for all sidebars.
-	if ( is_array($_POST['sidebars']) ) {
+	if ( is_array( $_POST['sidebars'] ) ) {
 		$sidebars = array();
 		foreach ( wp_unslash( $_POST['sidebars'] ) as $key => $val ) {
 			$sb = array();
-			if ( !empty($val) ) {
+			if ( ! empty( $val ) ) {
-				$val = explode(',', $val);
+				$val = explode( ',', $val );
 				foreach ( $val as $k => $v ) {
-					if ( strpos($v, 'widget-') === false )
+					if ( strpos( $v, 'widget-' ) === false ) {
 						continue;
+					}
-					$sb[$k] = substr($v, strpos($v, '_') + 1);
+					$sb[ $k ] = substr( $v, strpos( $v, '_' ) + 1 );
 				}
 			}
-			$sidebars[$key] = $sb;
+			$sidebars[ $key ] = $sb;
 		}
-		wp_set_sidebars_widgets($sidebars);
+		wp_set_sidebars_widgets( $sidebars );
 		wp_die( 1 );
 	}
 	wp_die( -1 );
 }
 function wp_ajax_save_widget() {
 	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
 	check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
-	if ( !current_user_can('edit_theme_options') || !isset($_POST['id_base']) )
+	if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['id_base'] ) ) {
 		wp_die( -1 );
+	}
 	unset( $_POST['savewidgets'], $_POST['action'] );
 	/**
 	 * Fires early when editing the widgets displayed in sidebars.
 	do_action( 'widgets.php' );
 	/** This action is documented in wp-admin/widgets.php */
 	do_action( 'sidebar_admin_setup' );
-	$id_base = wp_unslash( $_POST['id_base'] );
+	$id_base      = wp_unslash( $_POST['id_base'] );
-	$widget_id = wp_unslash( $_POST['widget-id'] );
+	$widget_id    = wp_unslash( $_POST['widget-id'] );
-	$sidebar_id = $_POST['sidebar'];
+	$sidebar_id   = $_POST['sidebar'];
-	$multi_number = !empty($_POST['multi_number']) ? (int) $_POST['multi_number'] : 0;
+	$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;
+	$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>';
+	$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();
+	$sidebar  = isset( $sidebars[ $sidebar_id ] ) ? $sidebars[ $sidebar_id ] : array();
 	// Delete.
-	if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
+	if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
-		if ( !isset($wp_registered_widgets[$widget_id]) )
+		if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
 			wp_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');
+		$sidebar = array_diff( $sidebar, array( $widget_id ) );
+		$_POST   = array(
+			'sidebar'            => $sidebar_id,
+			'widget-' . $id_base => array(),
+			'the-widget-id'      => $widget_id,
+			'delete_widget'      => '1',
+		);
 		/** This action is documented in wp-admin/widgets.php */
 		do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
-	} elseif ( $settings && preg_match( '/__i__|%i%/', key($settings) ) ) {
+	} elseif ( $settings && preg_match( '/__i__|%i%/', key( $settings ) ) ) {
-		if ( !$multi_number )
+		if ( ! $multi_number ) {
 			wp_die( $error );
+		}
 		$_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) );
-		$widget_id = $id_base . '-' . $multi_number;
+		$widget_id                     = $id_base . '-' . $multi_number;
-		$sidebar[] = $widget_id;
+		$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'] ) )
+			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'] ) {
+	if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
-		$sidebars[$sidebar_id] = $sidebar;
+		$sidebars[ $sidebar_id ] = $sidebar;
-		wp_set_sidebars_widgets($sidebars);
+		wp_set_sidebars_widgets( $sidebars );
 		echo "deleted:$widget_id";
 		wp_die();
 	}
-	if ( !empty($_POST['add_new']) )
+	if ( ! empty( $_POST['add_new'] ) ) {
 		wp_die();
+	}
-	if ( $form = $wp_registered_widget_controls[$widget_id] )
+	if ( $form = $wp_registered_widget_controls[ $widget_id ] ) {
 		call_user_func_array( $form['callback'], $form['params'] );
+	}
 	wp_die();
 }
 /**
 	do_action( 'sidebar_admin_setup' );
 	$sidebars_widgets = wp_get_sidebars_widgets();
 	foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) {
-		$pieces = explode( '-', $widget_id );
+		$pieces       = explode( '-', $widget_id );
 		$multi_number = array_pop( $pieces );
-		$id_base = implode( '-', $pieces );
+		$id_base      = implode( '-', $pieces );
-		$widget = get_option( 'widget_' . $id_base );
+		$widget       = get_option( 'widget_' . $id_base );
-		unset( $widget[$multi_number] );
+		unset( $widget[ $multi_number ] );
 		update_option( 'widget_' . $id_base, $widget );
-		unset( $sidebars_widgets['wp_inactive_widgets'][$key] );
+		unset( $sidebars_widgets['wp_inactive_widgets'][ $key ] );
 	}
 	wp_set_sidebars_widgets( $sidebars_widgets );
 	wp_die();
 	 * as the html4 Plupload handler requires a text/html content-type for older IE.
 	 * See https://core.trac.wordpress.org/ticket/31037
 	 */
 	if ( ! current_user_can( 'upload_files' ) ) {
-		echo wp_json_encode( array(
+		echo wp_json_encode(
-			'success' => false,
+			array(
-			'data'    => array(
+				'success' => false,
-				'message'  => __( 'Sorry, you are not allowed to upload files.' ),
+				'data'    => array(
-				'filename' => $_FILES['async-upload']['name'],
+					'message'  => __( 'Sorry, you are not allowed to upload files.' ),
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
+				),
 			)
-		) );
+		);
 		wp_die();
 	}
 	if ( isset( $_REQUEST['post_id'] ) ) {
 		$post_id = $_REQUEST['post_id'];
 		if ( ! current_user_can( 'edit_post', $post_id ) ) {
-			echo wp_json_encode( array(
+			echo wp_json_encode(
-				'success' => false,
+				array(
-				'data'    => array(
+					'success' => false,
-					'message'  => __( 'Sorry, you are not allowed to attach files to this post.' ),
+					'data'    => array(
-					'filename' => $_FILES['async-upload']['name'],
+						'message'  => __( 'Sorry, you are not allowed to attach files to this post.' ),
+						'filename' => esc_html( $_FILES['async-upload']['name'] ),
+					),
 				)
-			) );
+			);
 			wp_die();
 		}
 	} else {
 		$post_id = null;
 	}
-	$post_data = isset( $_REQUEST['post_data'] ) ? $_REQUEST['post_data'] : array();
+	$post_data = ! empty( $_REQUEST['post_data'] ) ? _wp_get_allowed_postdata( _wp_translate_postdata( false, (array) $_REQUEST['post_data'] ) ) : array();
+	if ( is_wp_error( $post_data ) ) {
+		wp_die( $post_data->get_error_message() );
+	}
 	// If the context is custom header or background, make sure the uploaded file is an image.
 	if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) {
 		$wp_filetype = wp_check_filetype_and_ext( $_FILES['async-upload']['tmp_name'], $_FILES['async-upload']['name'] );
 		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
-			echo wp_json_encode( array(
+			echo wp_json_encode(
+				array(
+					'success' => false,
+					'data'    => array(
+						'message'  => __( 'The uploaded file is not a valid image. Please try again.' ),
+						'filename' => esc_html( $_FILES['async-upload']['name'] ),
+					),
+				)
+			);
+			wp_die();
+		}
+	}
+	$attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data );
+	if ( is_wp_error( $attachment_id ) ) {
+		echo wp_json_encode(
+			array(
 				'success' => false,
 				'data'    => array(
-					'message'  => __( 'The uploaded file is not a valid image. Please try again.' ),
+					'message'  => $attachment_id->get_error_message(),
-					'filename' => $_FILES['async-upload']['name'],
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
-				)
+				),
-			) );
-			wp_die();
-		}
-	}
-	$attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data );
-	if ( is_wp_error( $attachment_id ) ) {
-		echo wp_json_encode( array(
-			'success' => false,
-			'data'    => array(
-				'message'  => $attachment_id->get_error_message(),
-				'filename' => $_FILES['async-upload']['name'],
 			)
-		) );
+		);
 		wp_die();
 	}
 	if ( isset( $post_data['context'] ) && isset( $post_data['theme'] ) ) {
-		if ( 'custom-background' === $post_data['context'] )
+		if ( 'custom-background' === $post_data['context'] ) {
 			update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', $post_data['theme'] );
+		}
-		if ( 'custom-header' === $post_data['context'] )
+		if ( 'custom-header' === $post_data['context'] ) {
 			update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', $post_data['theme'] );
-	}
+		}
+	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $attachment_id ) )
+	if ( ! $attachment = wp_prepare_attachment_for_js( $attachment_id ) ) {
 		wp_die();
+	}
-	echo wp_json_encode( array(
-		'success' => true,
+	echo wp_json_encode(
-		'data'    => $attachment,
+		array(
-	) );
+			'success' => true,
+			'data'    => $attachment,
+		)
+	);
 	wp_die();
 }
 /**
 * Ajax handler for image editing.
 *
 * @since 3.1.0
 */
 function wp_ajax_image_editor() {
-	$attachment_id = intval($_POST['postid']);
+	$attachment_id = intval( $_POST['postid'] );
-	if ( empty($attachment_id) || !current_user_can('edit_post', $attachment_id) )
+	if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) {
 		wp_die( -1 );
+	}
 	check_ajax_referer( "image_editor-$attachment_id" );
 	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
 	$msg = false;
 	switch ( $_POST['do'] ) {
-		case 'save' :
+		case 'save':
-			$msg = wp_save_image($attachment_id);
+			$msg = wp_save_image( $attachment_id );
-			$msg = wp_json_encode($msg);
+			$msg = wp_json_encode( $msg );
 			wp_die( $msg );
 			break;
-		case 'scale' :
+		case 'scale':
-			$msg = wp_save_image($attachment_id);
+			$msg = wp_save_image( $attachment_id );
 			break;
-		case 'restore' :
+		case 'restore':
-			$msg = wp_restore_image($attachment_id);
+			$msg = wp_restore_image( $attachment_id );
 			break;
 	}
-	wp_image_editor($attachment_id, $msg);
+	wp_image_editor( $attachment_id, $msg );
 	wp_die();
 }
 /**
 * Ajax handler for setting the featured image.
 */
 function wp_ajax_set_post_thumbnail() {
 	$json = ! empty( $_REQUEST['json'] ); // New-style request
 	$post_ID = intval( $_POST['post_id'] );
-	if ( ! current_user_can( 'edit_post', $post_ID ) )
+	if ( ! current_user_can( 'edit_post', $post_ID ) ) {
 		wp_die( -1 );
+	}
 	$thumbnail_id = intval( $_POST['thumbnail_id'] );
-	if ( $json )
+	if ( $json ) {
 		check_ajax_referer( "update-post_$post_ID" );
-	else
+	} else {
 		check_ajax_referer( "set_post_thumbnail-$post_ID" );
+	}
 	if ( $thumbnail_id == '-1' ) {
 		if ( delete_post_thumbnail( $post_ID ) ) {
 			$return = _wp_post_thumbnail_html( null, $post_ID );
 			$json ? wp_send_json_success( $return ) : wp_die( $return );
 function wp_ajax_wp_fullscreen_save_post() {
 	$post_id = isset( $_POST['post_ID'] ) ? (int) $_POST['post_ID'] : 0;
 	$post = null;
-	if ( $post_id )
+	if ( $post_id ) {
 		$post = get_post( $post_id );
+	}
-	check_ajax_referer('update-post_' . $post_id, '_wpnonce');
+	check_ajax_referer( 'update-post_' . $post_id, '_wpnonce' );
 	$post_id = edit_post();
 	if ( is_wp_error( $post_id ) ) {
 		wp_send_json_error();
 		$last_time = date_i18n( __( 'g:i a' ) );
 	}
 	if ( $last_id = get_post_meta( $post_id, '_edit_last', true ) ) {
 		$last_user = get_userdata( $last_id );
-		$last_edited = sprintf( __('Last edited by %1$s on %2$s at %3$s'), esc_html( $last_user->display_name ), $last_date, $last_time );
+		/* translators: 1: display_name of last user, 2: date of last edit, 3: time of last edit. */
+		$last_edited = sprintf( __( 'Last edited by %1$s on %2$s at %3$s' ), esc_html( $last_user->display_name ), $last_date, $last_time );
 	} else {
-		$last_edited = sprintf( __('Last edited on %1$s at %2$s'), $last_date, $last_time );
+		/* translators: 1: date of last edit, 2: time of last edit. */
+		$last_edited = sprintf( __( 'Last edited on %1$s at %2$s' ), $last_date, $last_time );
 	}
 	wp_send_json_success( array( 'last_edited' => $last_edited ) );
 }
 * Ajax handler for removing a post lock.
 *
 * @since 3.1.0
 */
 function wp_ajax_wp_remove_post_lock() {
-	if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) )
+	if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) ) {
 		wp_die( 0 );
+	}
 	$post_id = (int) $_POST['post_ID'];
-	if ( ! $post = get_post( $post_id ) )
+	if ( ! $post = get_post( $post_id ) ) {
 		wp_die( 0 );
+	}
 	check_ajax_referer( 'update-post_' . $post_id );
-	if ( ! current_user_can( 'edit_post', $post_id ) )
+	if ( ! current_user_can( 'edit_post', $post_id ) ) {
 		wp_die( -1 );
+	}
 	$active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) );
-	if ( $active_lock[1] != get_current_user_id() )
+	if ( $active_lock[1] != get_current_user_id() ) {
 		wp_die( 0 );
+	}
 	/**
 	 * Filters the post lock window duration.
 	 *
 	 * @since 3.3.0
 *
 * @since 3.1.0
 */
 function wp_ajax_dismiss_wp_pointer() {
 	$pointer = $_POST['pointer'];
-	if ( $pointer != sanitize_key( $pointer ) )
+	if ( $pointer != sanitize_key( $pointer ) ) {
 		wp_die( 0 );
+	}
-//	check_ajax_referer( 'dismiss-pointer_' . $pointer );
+	//  check_ajax_referer( 'dismiss-pointer_' . $pointer );
 	$dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) );
-	if ( in_array( $pointer, $dismissed ) )
+	if ( in_array( $pointer, $dismissed ) ) {
 		wp_die( 0 );
+	}
 	$dismissed[] = $pointer;
-	$dismissed = implode( ',', $dismissed );
+	$dismissed   = implode( ',', $dismissed );
 	update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed );
 	wp_die( 1 );
 }
 * Ajax handler for getting an attachment.
 *
 * @since 3.5.0
 */
 function wp_ajax_get_attachment() {
-	if ( ! isset( $_REQUEST['id'] ) )
+	if ( ! isset( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $id = absint( $_REQUEST['id'] ) )
+	if ( ! $id = absint( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $post = get_post( $id ) )
+	if ( ! $post = get_post( $id ) ) {
 		wp_send_json_error();
+	}
-	if ( 'attachment' != $post->post_type )
+	if ( 'attachment' != $post->post_type ) {
 		wp_send_json_error();
+	}
-	if ( ! current_user_can( 'upload_files' ) )
+	if ( ! current_user_can( 'upload_files' ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) )
+	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
 		wp_send_json_error();
+	}
 	wp_send_json_success( $attachment );
 }
 /**
 * Ajax handler for querying attachments.
 *
 * @since 3.5.0
 */
 function wp_ajax_query_attachments() {
-	if ( ! current_user_can( 'upload_files' ) )
+	if ( ! current_user_can( 'upload_files' ) ) {
 		wp_send_json_error();
+	}
 	$query = isset( $_REQUEST['query'] ) ? (array) $_REQUEST['query'] : array();
-	$keys = array(
+	$keys  = array(
-		's', 'order', 'orderby', 'posts_per_page', 'paged', 'post_mime_type',
+		's',
-		'post_parent', 'author', 'post__in', 'post__not_in', 'year', 'monthnum'
+		'order',
+		'orderby',
+		'posts_per_page',
+		'paged',
+		'post_mime_type',
+		'post_parent',
+		'author',
+		'post__in',
+		'post__not_in',
+		'year',
+		'monthnum',
 	);
 	foreach ( get_taxonomies_for_attachments( 'objects' ) as $t ) {
 		if ( $t->query_var && isset( $query[ $t->query_var ] ) ) {
 			$keys[] = $t->query_var;
 		}
 	}
-	$query = array_intersect_key( $query, array_flip( $keys ) );
+	$query              = array_intersect_key( $query, array_flip( $keys ) );
 	$query['post_type'] = 'attachment';
 	if ( MEDIA_TRASH
 		&& ! empty( $_REQUEST['query']['post_status'] )
 		&& 'trash' === $_REQUEST['query']['post_status'] ) {
 		$query['post_status'] = 'trash';
 	} else {
 		$query['post_status'] = 'inherit';
 	}
-	if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) )
+	if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) ) {
 		$query['post_status'] .= ',private';
+	}
 	// Filter query clauses to include filenames.
 	if ( isset( $query['s'] ) ) {
 		add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
 	}
 * Ajax handler for updating attachment attributes.
 *
 * @since 3.5.0
 */
 function wp_ajax_save_attachment() {
-	if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) )
+	if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $id = absint( $_REQUEST['id'] ) )
+	if ( ! $id = absint( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
+	}
 	check_ajax_referer( 'update-post_' . $id, 'nonce' );
-	if ( ! current_user_can( 'edit_post', $id ) )
+	if ( ! current_user_can( 'edit_post', $id ) ) {
 		wp_send_json_error();
+	}
 	$changes = $_REQUEST['changes'];
 	$post    = get_post( $id, ARRAY_A );
-	if ( 'attachment' != $post['post_type'] )
+	if ( 'attachment' != $post['post_type'] ) {
 		wp_send_json_error();
+	}
-	if ( isset( $changes['parent'] ) )
+	if ( isset( $changes['parent'] ) ) {
 		$post['post_parent'] = $changes['parent'];
+	}
-	if ( isset( $changes['title'] ) )
+	if ( isset( $changes['title'] ) ) {
 		$post['post_title'] = $changes['title'];
+	}
-	if ( isset( $changes['caption'] ) )
+	if ( isset( $changes['caption'] ) ) {
 		$post['post_excerpt'] = $changes['caption'];
+	}
-	if ( isset( $changes['description'] ) )
+	if ( isset( $changes['description'] ) ) {
 		$post['post_content'] = $changes['description'];
+	}
-	if ( MEDIA_TRASH && isset( $changes['status'] ) )
+	if ( MEDIA_TRASH && isset( $changes['status'] ) ) {
 		$post['post_status'] = $changes['status'];
+	}
 	if ( isset( $changes['alt'] ) ) {
 		$alt = wp_unslash( $changes['alt'] );
 		if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) {
 			$alt = wp_strip_all_tags( $alt, true );
 			$changed = true;
 			$id3data = array();
 		}
 		foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) {
 			if ( isset( $changes[ $key ] ) ) {
-				$changed = true;
+				$changed         = true;
 				$id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) );
 			}
 		}
 		if ( $changed ) {
 * Ajax handler for saving backward compatible attachment attributes.
 *
 * @since 3.5.0
 */
 function wp_ajax_save_attachment_compat() {
-	if ( ! isset( $_REQUEST['id'] ) )
+	if ( ! isset( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $id = absint( $_REQUEST['id'] ) )
+	if ( ! $id = absint( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) )
+	if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) ) {
 		wp_send_json_error();
+	}
 	$attachment_data = $_REQUEST['attachments'][ $id ];
 	check_ajax_referer( 'update-post_' . $id, 'nonce' );
-	if ( ! current_user_can( 'edit_post', $id ) )
+	if ( ! current_user_can( 'edit_post', $id ) ) {
 		wp_send_json_error();
+	}
 	$post = get_post( $id, ARRAY_A );
-	if ( 'attachment' != $post['post_type'] )
+	if ( 'attachment' != $post['post_type'] ) {
 		wp_send_json_error();
+	}
 	/** This filter is documented in wp-admin/includes/media.php */
 	$post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data );
 	if ( isset( $post['errors'] ) ) {
 	}
 	wp_update_post( $post );
 	foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
-		if ( isset( $attachment_data[ $taxonomy ] ) )
+		if ( isset( $attachment_data[ $taxonomy ] ) ) {
 			wp_set_object_terms( $id, array_map( 'trim', preg_split( '/,+/', $attachment_data[ $taxonomy ] ) ), $taxonomy, false );
-	}
+		}
+	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) )
+	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
 		wp_send_json_error();
+	}
 	wp_send_json_success( $attachment );
 }
 /**
 * Ajax handler for saving the attachment order.
 *
 * @since 3.5.0
 */
 function wp_ajax_save_attachment_order() {
-	if ( ! isset( $_REQUEST['post_id'] ) )
+	if ( ! isset( $_REQUEST['post_id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $post_id = absint( $_REQUEST['post_id'] ) )
+	if ( ! $post_id = absint( $_REQUEST['post_id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( empty( $_REQUEST['attachments'] ) )
+	if ( empty( $_REQUEST['attachments'] ) ) {
 		wp_send_json_error();
+	}
 	check_ajax_referer( 'update-post_' . $post_id, 'nonce' );
 	$attachments = $_REQUEST['attachments'];
-	if ( ! current_user_can( 'edit_post', $post_id ) )
+	if ( ! current_user_can( 'edit_post', $post_id ) ) {
 		wp_send_json_error();
+	}
 	foreach ( $attachments as $attachment_id => $menu_order ) {
-		if ( ! current_user_can( 'edit_post', $attachment_id ) )
+		if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
 			continue;
-		if ( ! $attachment = get_post( $attachment_id ) )
+		}
+		if ( ! $attachment = get_post( $attachment_id ) ) {
 			continue;
-		if ( 'attachment' != $attachment->post_type )
+		}
+		if ( 'attachment' != $attachment->post_type ) {
 			continue;
+		}
-		wp_update_post( array( 'ID' => $attachment_id, 'menu_order' => $menu_order ) );
+		wp_update_post(
+			array(
+				'ID'         => $attachment_id,
+				'menu_order' => $menu_order,
+			)
+		);
 	}
 	wp_send_json_success();
 }
 	$attachment = wp_unslash( $_POST['attachment'] );
 	$id = intval( $attachment['id'] );
-	if ( ! $post = get_post( $id ) )
+	if ( ! $post = get_post( $id ) ) {
 		wp_send_json_error();
+	}
-	if ( 'attachment' != $post->post_type )
+	if ( 'attachment' != $post->post_type ) {
 		wp_send_json_error();
+	}
 	if ( current_user_can( 'edit_post', $id ) ) {
 		// If this attachment is unattached, attach it. Primarily a back compat thing.
 		if ( 0 == $post->post_parent && $insert_into_post_id = intval( $_POST['post_id'] ) ) {
-			wp_update_post( array( 'ID' => $id, 'post_parent' => $insert_into_post_id ) );
+			wp_update_post(
+				array(
+					'ID'          => $id,
+					'post_parent' => $insert_into_post_id,
+				)
+			);
 		}
 	}
 	$url = empty( $attachment['url'] ) ? '' : $attachment['url'];
-	$rel = ( strpos( $url, 'attachment_id') || get_attachment_link( $id ) == $url );
+	$rel = ( strpos( $url, 'attachment_id' ) || get_attachment_link( $id ) == $url );
 	remove_filter( 'media_send_to_editor', 'image_media_send_to_editor' );
 	if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) {
 		$align = isset( $attachment['align'] ) ? $attachment['align'] : 'none';
-		$size = isset( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium';
+		$size  = isset( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium';
-		$alt = isset( $attachment['image_alt'] ) ? $attachment['image_alt'] : '';
+		$alt   = isset( $attachment['image_alt'] ) ? $attachment['image_alt'] : '';
 		// No whitespace-only captions.
 		$caption = isset( $attachment['post_excerpt'] ) ? $attachment['post_excerpt'] : '';
 		if ( '' === trim( $caption ) ) {
 			$caption = '';
 		}
 		$title = ''; // We no longer insert title tags into <img> tags, as they are redundant.
-		$html = get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt );
+		$html  = get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt );
-	} elseif ( wp_attachment_is( 'video', $post ) || wp_attachment_is( 'audio', $post )  ) {
+	} elseif ( wp_attachment_is( 'video', $post ) || wp_attachment_is( 'audio', $post ) ) {
 		$html = stripslashes_deep( $_POST['html'] );
 	} else {
 		$html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
-		$rel = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized
+		$rel  = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized
 		if ( ! empty( $url ) ) {
 			$html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>';
 		}
 	}
 function wp_ajax_send_link_to_editor() {
 	global $post, $wp_embed;
 	check_ajax_referer( 'media-send-to-editor', 'nonce' );
-	if ( ! $src = wp_unslash( $_POST['src'] ) )
+	if ( ! $src = wp_unslash( $_POST['src'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! strpos( $src, '://' ) )
+	if ( ! strpos( $src, '://' ) ) {
 		$src = 'http://' . $src;
+	}
-	if ( ! $src = esc_url_raw( $src ) )
+	if ( ! $src = esc_url_raw( $src ) ) {
 		wp_send_json_error();
+	}
-	if ( ! $link_text = trim( wp_unslash( $_POST['link_text'] ) ) )
+	if ( ! $link_text = trim( wp_unslash( $_POST['link_text'] ) ) ) {
 		$link_text = wp_basename( $src );
+	}
 	$post = get_post( isset( $_POST['post_id'] ) ? $_POST['post_id'] : 0 );
 	// Ping WordPress for an embed.
-	$check_embed = $wp_embed->run_shortcode( '[embed]'. $src .'[/embed]' );
+	$check_embed = $wp_embed->run_shortcode( '[embed]' . $src . '[/embed]' );
 	// Fallback that WordPress creates when no oEmbed was found.
 	$fallback = $wp_embed->maybe_make_link( $src );
 	if ( $check_embed !== $fallback ) {
 	}
 	// Figure out what filter to run:
 	$type = 'file';
 	if ( ( $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ) ) && ( $ext_type = wp_ext2type( $ext ) )
-		&& ( 'audio' == $ext_type || 'video' == $ext_type ) )
+		&& ( 'audio' == $ext_type || 'video' == $ext_type ) ) {
 			$type = $ext_type;
+	}
 	/** This filter is documented in wp-admin/includes/media.php */
 	$html = apply_filters( "{$type}_send_to_editor_url", $html, $src, $link_text );
 	wp_send_json_success( $html );
 function wp_ajax_heartbeat() {
 	if ( empty( $_POST['_nonce'] ) ) {
 		wp_send_json_error();
 	}
-	$response = $data = array();
+	$response    = $data = array();
 	$nonce_state = wp_verify_nonce( $_POST['_nonce'], 'heartbeat-nonce' );
 	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
 	if ( ! empty( $_POST['screen_id'] ) ) {
-		$screen_id = sanitize_key($_POST['screen_id']);
+		$screen_id = sanitize_key( $_POST['screen_id'] );
 	} else {
 		$screen_id = 'front';
 	}
 	if ( ! empty( $_POST['data'] ) ) {
 		$data = wp_unslash( (array) $_POST['data'] );
 	}
 	if ( 1 !== $nonce_state ) {
+		/**
+		 * Filters the nonces to send to the New/Edit Post screen.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param array  $response  The Heartbeat response.
+		 * @param array  $data      The $_POST data sent.
+		 * @param string $screen_id The screen id.
+		 */
 		$response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id );
 		if ( false === $nonce_state ) {
 			// User is logged in but nonces have expired.
 			$response['nonces_expired'] = true;
 * @since 3.6.0
 */
 function wp_ajax_get_revision_diffs() {
 	require ABSPATH . 'wp-admin/includes/revision.php';
-	if ( ! $post = get_post( (int) $_REQUEST['post_id'] ) )
+	if ( ! $post = get_post( (int) $_REQUEST['post_id'] ) ) {
 		wp_send_json_error();
+	}
-	if ( ! current_user_can( 'edit_post', $post->ID ) )
+	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
 		wp_send_json_error();
+	}
 	// Really just pre-loading the cache here.
-	if ( ! $revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) ) )
+	if ( ! $revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) ) ) {
 		wp_send_json_error();
+	}
 	$return = array();
 	@set_time_limit( 0 );
 	foreach ( $_REQUEST['compare'] as $compare_key ) {
 		list( $compare_from, $compare_to ) = explode( ':', $compare_key ); // from:to
 		$return[] = array(
-			'id' => $compare_key,
+			'id'     => $compare_key,
 			'fields' => wp_get_revision_ui_diff( $post, $compare_from, $compare_to ),
 		);
 	}
 	wp_send_json_success( $return );
 }
 	}
 	$previous_color_scheme = get_user_meta( get_current_user_id(), 'admin_color', true );
 	update_user_meta( get_current_user_id(), 'admin_color', $color_scheme );
-	wp_send_json_success( array(
+	wp_send_json_success(
-		'previousScheme' => 'admin-color-' . $previous_color_scheme,
+		array(
-		'currentScheme'  => 'admin-color-' . $color_scheme
+			'previousScheme' => 'admin-color-' . $previous_color_scheme,
-	) );
+			'currentScheme'  => 'admin-color-' . $color_scheme,
+		)
+	);
 }
 /**
 * Ajax handler for getting themes from themes_api().
 *
 	if ( ! current_user_can( 'install_themes' ) ) {
 		wp_send_json_error();
 	}
-	$args = wp_parse_args( wp_unslash( $_REQUEST['request'] ), array(
+	$args = wp_parse_args(
-		'per_page' => 20,
+		wp_unslash( $_REQUEST['request'] ),
-		'fields'   => $theme_field_defaults
+		array(
-	) );
+			'per_page' => 20,
+			'fields'   => array_merge(
+				(array) $theme_field_defaults,
+				array(
+					'reviews_url' => true, // Explicitly request the reviews URL to be linked from the Add Themes screen.
+				)
+			),
+		)
+	);
 	if ( isset( $args['browse'] ) && 'favorites' === $args['browse'] && ! isset( $args['user'] ) ) {
 		$user = get_user_option( 'wporg_favorites' );
 		if ( $user ) {
 			$args['user'] = $user;
 		wp_send_json_error();
 	}
 	$update_php = network_admin_url( 'update.php?action=install-theme' );
 	foreach ( $api->themes as &$theme ) {
-		$theme->install_url = add_query_arg( array(
+		$theme->install_url = add_query_arg(
-			'theme'    => $theme->slug,
+			array(
-			'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug )
+				'theme'    => $theme->slug,
-		), $update_php );
+				'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug ),
+			),
+			$update_php
+		);
 		if ( current_user_can( 'switch_themes' ) ) {
 			if ( is_multisite() ) {
-				$theme->activate_url = add_query_arg( array(
+				$theme->activate_url = add_query_arg(
-					'action'   => 'enable',
+					array(
-					'_wpnonce' => wp_create_nonce( 'enable-theme_' . $theme->slug ),
+						'action'   => 'enable',
-					'theme'    => $theme->slug,
+						'_wpnonce' => wp_create_nonce( 'enable-theme_' . $theme->slug ),
-				), network_admin_url( 'themes.php' ) );
+						'theme'    => $theme->slug,
+					),
+					network_admin_url( 'themes.php' )
+				);
 			} else {
-				$theme->activate_url = add_query_arg( array(
+				$theme->activate_url = add_query_arg(
-					'action'     => 'activate',
+					array(
-					'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $theme->slug ),
+						'action'     => 'activate',
-					'stylesheet' => $theme->slug,
+						'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $theme->slug ),
-				), admin_url( 'themes.php' ) );
+						'stylesheet' => $theme->slug,
+					),
+					admin_url( 'themes.php' )
+				);
 			}
 		}
 		if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
-			$theme->customize_url = add_query_arg( array(
+			$theme->customize_url = add_query_arg(
-				'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+				array(
-			), wp_customize_url( $theme->slug ) );
+					'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+				),
+				wp_customize_url( $theme->slug )
+			);
 		}
 		$theme->name        = wp_kses( $theme->name, $themes_allowedtags );
-		$theme->author      = wp_kses( $theme->author, $themes_allowedtags );
+		$theme->author      = wp_kses( $theme->author['display_name'], $themes_allowedtags );
 		$theme->version     = wp_kses( $theme->version, $themes_allowedtags );
 		$theme->description = wp_kses( $theme->description, $themes_allowedtags );
-		$theme->stars       = wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings, 'echo' => false ) );
+		$theme->stars       = wp_star_rating(
+			array(
+				'rating' => $theme->rating,
+				'type'   => 'percent',
+				'number' => $theme->num_ratings,
+				'echo'   => false,
+			)
+		);
 		$theme->num_ratings = number_format_i18n( $theme->num_ratings );
 		$theme->preview_url = set_url_scheme( $theme->preview_url );
 	}
 	wp_send_json_success( $api );
 	global $post, $wp_embed, $content_width;
 	if ( empty( $_POST['shortcode'] ) ) {
 		wp_send_json_error();
 	}
-	$post_id = isset( $_POST[ 'post_ID' ] ) ? intval( $_POST[ 'post_ID' ] ) : 0;
+	$post_id = isset( $_POST['post_ID'] ) ? intval( $_POST['post_ID'] ) : 0;
 	if ( $post_id > 0 ) {
 		$post = get_post( $post_id );
 		if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
 			wp_send_json_error();
 		}
 		$url = $atts['src'];
 	} else {
 		$url = '';
 	}
-	$parsed = false;
+	$parsed                         = false;
 	$wp_embed->return_false_on_fail = true;
 	if ( 0 === $post_id ) {
 		/*
 		 * Refresh oEmbeds cached outside of posts that are past their TTL.
 	if ( is_ssl() && 0 === strpos( $url, 'http://' ) ) {
 		// Admin is ssl and the user pasted non-ssl URL.
 		// Check if the provider supports ssl embeds and use that for the preview.
 		$ssl_shortcode = preg_replace( '%^(\\[embed[^\\]]*\\])http://%i', '$1https://', $shortcode );
-		$parsed = $wp_embed->run_shortcode( $ssl_shortcode );
+		$parsed        = $wp_embed->run_shortcode( $ssl_shortcode );
 		if ( ! $parsed ) {
 			$no_ssl_support = true;
 		}
 	}
 	if ( $url && ! $parsed ) {
 		$parsed = $wp_embed->run_shortcode( $shortcode );
 	}
 	if ( ! $parsed ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'type' => 'not-embeddable',
+			array(
-			'message' => sprintf( __( '%s failed to embed.' ), '<code>' . esc_html( $url ) . '</code>' ),
+				'type'    => 'not-embeddable',
-		) );
+				/* translators: %s: URL which cannot be embedded, between code tags */
+				'message' => sprintf( __( '%s failed to embed.' ), '<code>' . esc_html( $url ) . '</code>' ),
+			)
+		);
 	}
 	if ( has_shortcode( $parsed, 'audio' ) || has_shortcode( $parsed, 'video' ) ) {
-		$styles = '';
+		$styles     = '';
 		$mce_styles = wpview_media_sandbox_styles();
 		foreach ( $mce_styles as $style ) {
 			$styles .= sprintf( '<link rel="stylesheet" href="%s"/>', $style );
 		}
 	}
 	if ( ! empty( $no_ssl_support ) || ( is_ssl() && ( preg_match( '%<(iframe|script|embed) [^>]*src="http://%', $parsed ) ||
 		preg_match( '%<link [^>]*href="http://%', $parsed ) ) ) ) {
 		// Admin is ssl and the embed is not. Iframes, scripts, and other "active content" will be blocked.
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'type' => 'not-ssl',
+			array(
-			'message' => __( 'This preview is unavailable in the editor.' ),
+				'type'    => 'not-ssl',
-		) );
+				'message' => __( 'This preview is unavailable in the editor.' ),
+			)
+		);
 	}
 	$return = array(
 		'body' => $parsed,
-		'attr' => $wp_embed->last_attr
+		'attr' => $wp_embed->last_attr,
 	);
 	if ( strpos( $parsed, 'class="wp-embedded-content' ) ) {
 		if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
 			$script_src = includes_url( 'js/wp-embed.js' );
 		} else {
 			$script_src = includes_url( 'js/wp-embed.min.js' );
 		}
-		$return['head'] = '<script src="' . $script_src . '"></script>';
+		$return['head']    = '<script src="' . $script_src . '"></script>';
 		$return['sandbox'] = true;
 	}
 	wp_send_json_success( $return );
 }
 		}
 	} else {
 		setup_postdata( $post );
 	}
-	$parsed = do_shortcode( $shortcode  );
+	$parsed = do_shortcode( $shortcode );
 	if ( empty( $parsed ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'type' => 'no-items',
+			array(
-			'message' => __( 'No items found.' ),
+				'type'    => 'no-items',
-		) );
+				'message' => __( 'No items found.' ),
-	}
+			)
+		);
-	$head = '';
+	}
+	$head   = '';
 	$styles = wpview_media_sandbox_styles();
 	foreach ( $styles as $style ) {
 		$head .= '<link type="text/css" rel="stylesheet" href="' . $style . '">';
 	}
 		wp_print_scripts( 'wp-playlist' );
 	} else {
 		wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) );
 	}
-	wp_send_json_success( array(
+	wp_send_json_success(
-		'head' => $head,
+		array(
-		'body' => ob_get_clean()
+			'head' => $head,
-	) );
+			'body' => ob_get_clean(),
+		)
+	);
 }
 /**
 * Ajax handler for destroying multiple open sessions for a user.
 *
 			$user = false;
 		}
 	}
 	if ( ! $user ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'message' => __( 'Could not log out user sessions. Please try again.' ),
+			array(
-		) );
+				'message' => __( 'Could not log out user sessions. Please try again.' ),
+			)
+		);
 	}
 	$sessions = WP_Session_Tokens::get_instance( $user->ID );
 	if ( $user->ID === get_current_user_id() ) {
 		wp_send_json_error( array( 'message' => __( 'Image could not be processed.' ) ) );
 	}
 	switch ( $context ) {
 		case 'site-icon':
-			require_once ABSPATH . '/wp-admin/includes/class-wp-site-icon.php';
+			require_once ABSPATH . 'wp-admin/includes/class-wp-site-icon.php';
 			$wp_site_icon = new WP_Site_Icon();
 			// Skip creating a new attachment if the attachment is a Site Icon.
 			if ( get_post_meta( $attachment_id, '_wp_attachment_context', true ) == $context ) {
 			// Additional sizes in wp_prepare_attachment_for_js().
 			add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) );
 			break;
 		default:
 			/**
 			 * Fires before a cropped image is saved.
 			 *
 			 * Allows to add filters to modify the way a cropped image is saved.
 			 *
 			/** This filter is documented in wp-admin/custom-header.php */
 			$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication.
 			$parent_url = wp_get_attachment_url( $attachment_id );
-			$url        = str_replace( basename( $parent_url ), basename( $cropped ), $parent_url );
+			$url        = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url );
 			$size       = @getimagesize( $cropped );
 			$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
 			$object = array(
-				'post_title'     => basename( $cropped ),
+				'post_title'     => wp_basename( $cropped ),
 				'post_content'   => $url,
 				'post_mime_type' => $image_type,
 				'guid'           => $url,
 				'context'        => $context,
 			);
 			$attachment_id = wp_insert_attachment( $object, $cropped );
-			$metadata = wp_generate_attachment_metadata( $attachment_id, $cropped );
+			$metadata      = wp_generate_attachment_metadata( $attachment_id, $cropped );
 			/**
 			 * Filters the cropped image attachment metadata.
 			 *
 			 * @since 4.3.0
 *
 * @since 4.6.0
 *
 * @see Theme_Upgrader
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_install_theme() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['slug'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_theme_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No theme specified.' ),
+				'errorCode'    => 'no_theme_specified',
-		) );
+				'errorMessage' => __( 'No theme specified.' ),
+			)
+		);
 	}
 	$slug = sanitize_key( wp_unslash( $_POST['slug'] ) );
 	$status = array(
 	}
 	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 	include_once( ABSPATH . 'wp-admin/includes/theme.php' );
-	$api = themes_api( 'theme_information', array(
+	$api = themes_api(
-		'slug'   => $slug,
+		'theme_information',
-		'fields' => array( 'sections' => false ),
+		array(
-	) );
+			'slug'   => $slug,
+			'fields' => array( 'sections' => false ),
+		)
+	);
 	if ( is_wp_error( $api ) ) {
 		$status['errorMessage'] = $api->get_error_message();
 		wp_send_json_error( $status );
 	}
 		wp_send_json_error( $status );
 	} elseif ( is_wp_error( $skin->result ) ) {
 		$status['errorCode']    = $skin->result->get_error_code();
 		$status['errorMessage'] = $skin->result->get_error_message();
 		wp_send_json_error( $status );
-	} elseif ( $skin->get_errors()->get_error_code() ) {
+	} elseif ( $skin->get_errors()->has_errors() ) {
 		$status['errorMessage'] = $skin->get_error_messages();
 		wp_send_json_error( $status );
 	} elseif ( is_null( $result ) ) {
 		global $wp_filesystem;
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 	$status['themeName'] = wp_get_theme( $slug )->get( 'Name' );
 	if ( current_user_can( 'switch_themes' ) ) {
 		if ( is_multisite() ) {
-			$status['activateUrl'] = add_query_arg( array(
+			$status['activateUrl'] = add_query_arg(
-				'action'   => 'enable',
+				array(
-				'_wpnonce' => wp_create_nonce( 'enable-theme_' . $slug ),
+					'action'   => 'enable',
-				'theme'    => $slug,
+					'_wpnonce' => wp_create_nonce( 'enable-theme_' . $slug ),
-			), network_admin_url( 'themes.php' ) );
+					'theme'    => $slug,
+				),
+				network_admin_url( 'themes.php' )
+			);
 		} else {
-			$status['activateUrl'] = add_query_arg( array(
+			$status['activateUrl'] = add_query_arg(
-				'action'     => 'activate',
+				array(
-				'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $slug ),
+					'action'     => 'activate',
-				'stylesheet' => $slug,
+					'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $slug ),
-			), admin_url( 'themes.php' ) );
+					'stylesheet' => $slug,
+				),
+				admin_url( 'themes.php' )
+			);
 		}
 	}
 	if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
-		$status['customizeUrl'] = add_query_arg( array(
+		$status['customizeUrl'] = add_query_arg(
-			'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+			array(
-		), wp_customize_url( $slug ) );
+				'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+			),
+			wp_customize_url( $slug )
+		);
 	}
 	/*
 	 * See WP_Theme_Install_List_Table::_get_theme_status() if we wanted to check
 	 * on post-installation status.
 *
 * @since 4.6.0
 *
 * @see Theme_Upgrader
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_update_theme() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['slug'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_theme_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No theme specified.' ),
+				'errorCode'    => 'no_theme_specified',
-		) );
+				'errorMessage' => __( 'No theme specified.' ),
+			)
+		);
 	}
 	$stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) );
 	$status     = array(
 		'update'     => 'theme',
 	if ( is_wp_error( $skin->result ) ) {
 		$status['errorCode']    = $skin->result->get_error_code();
 		$status['errorMessage'] = $skin->result->get_error_message();
 		wp_send_json_error( $status );
-	} elseif ( $skin->get_errors()->get_error_code() ) {
+	} elseif ( $skin->get_errors()->has_errors() ) {
 		$status['errorMessage'] = $skin->get_error_messages();
 		wp_send_json_error( $status );
 	} elseif ( is_array( $result ) && ! empty( $result[ $stylesheet ] ) ) {
 		// Theme is already at the latest version.
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 *
 * @since 4.6.0
 *
 * @see delete_theme()
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_delete_theme() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['slug'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_theme_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No theme specified.' ),
+				'errorCode'    => 'no_theme_specified',
-		) );
+				'errorMessage' => __( 'No theme specified.' ),
+			)
+		);
 	}
 	$stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) );
 	$status     = array(
 		'delete' => 'theme',
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 *
 * @since 4.6.0
 *
 * @see Plugin_Upgrader
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_install_plugin() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['slug'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_plugin_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No plugin specified.' ),
+				'errorCode'    => 'no_plugin_specified',
-		) );
+				'errorMessage' => __( 'No plugin specified.' ),
+			)
+		);
 	}
 	$status = array(
 		'install' => 'plugin',
 		'slug'    => sanitize_key( wp_unslash( $_POST['slug'] ) ),
 	}
 	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 	include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
-	$api = plugins_api( 'plugin_information', array(
+	$api = plugins_api(
-		'slug'   => sanitize_key( wp_unslash( $_POST['slug'] ) ),
+		'plugin_information',
-		'fields' => array(
+		array(
-			'sections' => false,
+			'slug'   => sanitize_key( wp_unslash( $_POST['slug'] ) ),
-		),
+			'fields' => array(
-	) );
+				'sections' => false,
+			),
+		)
+	);
 	if ( is_wp_error( $api ) ) {
 		$status['errorMessage'] = $api->get_error_message();
 		wp_send_json_error( $status );
 	}
 		wp_send_json_error( $status );
 	} elseif ( is_wp_error( $skin->result ) ) {
 		$status['errorCode']    = $skin->result->get_error_code();
 		$status['errorMessage'] = $skin->result->get_error_message();
 		wp_send_json_error( $status );
-	} elseif ( $skin->get_errors()->get_error_code() ) {
+	} elseif ( $skin->get_errors()->has_errors() ) {
 		$status['errorMessage'] = $skin->get_error_messages();
 		wp_send_json_error( $status );
 	} elseif ( is_null( $result ) ) {
 		global $wp_filesystem;
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 	$install_status = install_plugin_install_status( $api );
-	$pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
+	$pagenow        = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
 	// If installation request is coming from import page, do not return network activation link.
 	$plugins_url = ( 'import' === $pagenow ) ? admin_url( 'plugins.php' ) : network_admin_url( 'plugins.php' );
 	if ( current_user_can( 'activate_plugin', $install_status['file'] ) && is_plugin_inactive( $install_status['file'] ) ) {
-		$status['activateUrl'] = add_query_arg( array(
+		$status['activateUrl'] = add_query_arg(
-			'_wpnonce' => wp_create_nonce( 'activate-plugin_' . $install_status['file'] ),
+			array(
-			'action'   => 'activate',
+				'_wpnonce' => wp_create_nonce( 'activate-plugin_' . $install_status['file'] ),
-			'plugin'   => $install_status['file'],
+				'action'   => 'activate',
-		), $plugins_url );
+				'plugin'   => $install_status['file'],
+			),
+			$plugins_url
+		);
 	}
 	if ( is_multisite() && current_user_can( 'manage_network_plugins' ) && 'import' !== $pagenow ) {
 		$status['activateUrl'] = add_query_arg( array( 'networkwide' => 1 ), $status['activateUrl'] );
 	}
 *
 * @since 4.2.0
 *
 * @see Plugin_Upgrader
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_update_plugin() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['plugin'] ) || empty( $_POST['slug'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_plugin_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No plugin specified.' ),
+				'errorCode'    => 'no_plugin_specified',
-		) );
+				'errorMessage' => __( 'No plugin specified.' ),
+			)
+		);
 	}
 	$plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['plugin'] ) ) );
 	$status = array(
 	if ( is_wp_error( $skin->result ) ) {
 		$status['errorCode']    = $skin->result->get_error_code();
 		$status['errorMessage'] = $skin->result->get_error_message();
 		wp_send_json_error( $status );
-	} elseif ( $skin->get_errors()->get_error_code() ) {
+	} elseif ( $skin->get_errors()->has_errors() ) {
 		$status['errorMessage'] = $skin->get_error_messages();
 		wp_send_json_error( $status );
 	} elseif ( is_array( $result ) && ! empty( $result[ $plugin ] ) ) {
 		$plugin_update_data = current( $result );
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 *
 * @since 4.6.0
 *
 * @see delete_plugins()
 *
-* @global WP_Filesystem_Base $wp_filesystem Subclass
+* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 */
 function wp_ajax_delete_plugin() {
 	check_ajax_referer( 'updates' );
 	if ( empty( $_POST['slug'] ) || empty( $_POST['plugin'] ) ) {
-		wp_send_json_error( array(
+		wp_send_json_error(
-			'slug'         => '',
+			array(
-			'errorCode'    => 'no_plugin_specified',
+				'slug'         => '',
-			'errorMessage' => __( 'No plugin specified.' ),
+				'errorCode'    => 'no_plugin_specified',
-		) );
+				'errorMessage' => __( 'No plugin specified.' ),
+			)
+		);
 	}
 	$plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['plugin'] ) ) );
 	$status = array(
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		// Pass through the error from WP_Filesystem if one was raised.
-		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
 			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
 		}
 		wp_send_json_error( $status );
 	}
 	if ( 'plugins-network' === $pagenow || 'plugins' === $pagenow ) {
 		set_current_screen( $pagenow );
 	}
 	/** @var WP_Plugins_List_Table $wp_list_table */
-	$wp_list_table = _get_list_table( 'WP_Plugins_List_Table', array(
+	$wp_list_table = _get_list_table(
-		'screen' => get_current_screen(),
+		'WP_Plugins_List_Table',
-	) );
+		array(
+			'screen' => get_current_screen(),
+		)
+	);
 	$status = array();
 	if ( ! $wp_list_table->ajax_user_can() ) {
 		$status['errorMessage'] = __( 'Sorry, you are not allowed to manage plugins for this site.' );
 		wp_send_json_error( $status );
 	}
 	// Set the correct requester, so pagination works.
-	$_SERVER['REQUEST_URI'] = add_query_arg( array_diff_key( $_POST, array(
+	$_SERVER['REQUEST_URI'] = add_query_arg(
-		'_ajax_nonce' => null,
+		array_diff_key(
-		'action'      => null,
+			$_POST,
-	) ), network_admin_url( 'plugins.php', 'relative' ) );
+			array(
+				'_ajax_nonce' => null,
+				'action'      => null,
+			)
+		),
+		network_admin_url( 'plugins.php', 'relative' )
+	);
 	$GLOBALS['s'] = wp_unslash( $_POST['s'] );
 	$wp_list_table->prepare_items();
 	if ( 'plugin-install-network' === $pagenow || 'plugin-install' === $pagenow ) {
 		set_current_screen( $pagenow );
 	}
 	/** @var WP_Plugin_Install_List_Table $wp_list_table */
-	$wp_list_table = _get_list_table( 'WP_Plugin_Install_List_Table', array(
+	$wp_list_table = _get_list_table(
-		'screen' => get_current_screen(),
+		'WP_Plugin_Install_List_Table',
-	) );
+		array(
+			'screen' => get_current_screen(),
+		)
+	);
 	$status = array();
 	if ( ! $wp_list_table->ajax_user_can() ) {
 		$status['errorMessage'] = __( 'Sorry, you are not allowed to manage plugins for this site.' );
 		wp_send_json_error( $status );
 	}
 	// Set the correct requester, so pagination works.
-	$_SERVER['REQUEST_URI'] = add_query_arg( array_diff_key( $_POST, array(
+	$_SERVER['REQUEST_URI'] = add_query_arg(
-		'_ajax_nonce' => null,
+		array_diff_key(
-		'action'      => null,
+			$_POST,
-	) ), network_admin_url( 'plugin-install.php', 'relative' ) );
+			array(
+				'_ajax_nonce' => null,
+				'action'      => null,
+			)
+		),
+		network_admin_url( 'plugin-install.php', 'relative' )
+	);
 	$wp_list_table->prepare_items();
 	ob_start();
 	$wp_list_table->display();
 * @see wp_edit_theme_plugin_file()
 */
 function wp_ajax_edit_theme_plugin_file() {
 	$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) ); // Validation of args is done in wp_edit_theme_plugin_file().
 	if ( is_wp_error( $r ) ) {
-		wp_send_json_error( array_merge(
+		wp_send_json_error(
+			array_merge(
+				array(
+					'code'    => $r->get_error_code(),
+					'message' => $r->get_error_message(),
+				),
+				(array) $r->get_error_data()
+			)
+		);
+	} else {
+		wp_send_json_success(
 			array(
-				'code' => $r->get_error_code(),
+				'message' => __( 'File edited successfully.' ),
-				'message' => $r->get_error_message(),
+			)
-			),
+		);
-			(array) $r->get_error_data()
-		) );
-	} else {
-		wp_send_json_success( array(
-			'message' => __( 'File edited successfully.' ),
-		) );
 	}
 }
 /**
 * Ajax handler for exporting a user's personal data.
 	if ( $request_id < 1 ) {
 		wp_send_json_error( __( 'Invalid request ID.' ) );
 	}
 	if ( ! current_user_can( 'export_others_personal_data' ) ) {
-		wp_send_json_error( __( 'Invalid request.' ) );
+		wp_send_json_error( __( 'Sorry, you are not allowed to perform this action.' ) );
 	}
 	check_ajax_referer( 'wp-privacy-export-personal-data-' . $request_id, 'security' );
 	// Get the request data.
 		if ( $exporter_index < 1 ) {
 			wp_send_json_error( __( 'Exporter index cannot be negative.' ) );
 		}
 		if ( $exporter_index > count( $exporters ) ) {
-			wp_send_json_error( __( 'Exporter index out of range.' ) );
+			wp_send_json_error( __( 'Exporter index is out of range.' ) );
 		}
 		if ( $page < 1 ) {
 			wp_send_json_error( __( 'Page index cannot be less than one.' ) );
 		}
 		$exporter_key  = $exporter_keys[ $exporter_index - 1 ];
 		$exporter      = $exporters[ $exporter_key ];
 		if ( ! is_array( $exporter ) ) {
 			wp_send_json_error(
-				/* translators: %s: array index */
+				/* translators: %s: exporter array index */
 				sprintf( __( 'Expected an array describing the exporter at index %s.' ), $exporter_key )
 			);
 		}
 		if ( ! array_key_exists( 'exporter_friendly_name', $exporter ) ) {
 			wp_send_json_error(
-				/* translators: %s: array index */
+				/* translators: %s: exporter array index */
 				sprintf( __( 'Exporter array at index %s does not include a friendly name.' ), $exporter_key )
 			);
 		}
+		$exporter_friendly_name = $exporter['exporter_friendly_name'];
 		if ( ! array_key_exists( 'callback', $exporter ) ) {
 			wp_send_json_error(
 				/* translators: %s: exporter friendly name */
-				sprintf( __( 'Exporter does not include a callback: %s.' ), esc_html( $exporter['exporter_friendly_name'] ) )
+				sprintf( __( 'Exporter does not include a callback: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		if ( ! is_callable( $exporter['callback'] ) ) {
 			wp_send_json_error(
 				/* translators: %s: exporter friendly name */
-				sprintf( __( 'Exporter callback is not a valid callback: %s.' ), esc_html( $exporter['exporter_friendly_name'] ) )
+				sprintf( __( 'Exporter callback is not a valid callback: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
-		$callback               = $exporter['callback'];
+		$callback = $exporter['callback'];
-		$exporter_friendly_name = $exporter['exporter_friendly_name'];
 		$response = call_user_func( $callback, $email_address, $page );
 		if ( is_wp_error( $response ) ) {
 			wp_send_json_error( $response );
 		}
 		if ( ! is_array( $response ) ) {
 		wp_send_json_error( __( 'Invalid request ID.' ) );
 	}
 	// Both capabilities are required to avoid confusion, see `_wp_personal_data_removal_page()`.
 	if ( ! current_user_can( 'erase_others_personal_data' ) || ! current_user_can( 'delete_users' ) ) {
-		wp_send_json_error( __( 'Invalid request.' ) );
+		wp_send_json_error( __( 'Sorry, you are not allowed to perform this action.' ) );
 	}
 	check_ajax_referer( 'wp-privacy-erase-personal-data-' . $request_id, 'security' );
 	// Get the request data.
 	$request = wp_get_user_request_data( $request_id );
 	if ( ! $request || 'remove_personal_data' !== $request->action_name ) {
-		wp_send_json_error( __( 'Invalid request ID.' ) );
+		wp_send_json_error( __( 'Invalid request type.' ) );
 	}
 	$email_address = $request->email;
 	if ( ! is_email( $email_address ) ) {
 		$eraser_keys = array_keys( $erasers );
 		$eraser_key  = $eraser_keys[ $eraser_index - 1 ];
 		$eraser      = $erasers[ $eraser_key ];
 		if ( ! is_array( $eraser ) ) {
-			/* translators: %d: array index */
+			/* translators: %d: eraser array index */
 			wp_send_json_error( sprintf( __( 'Expected an array describing the eraser at index %d.' ), $eraser_index ) );
 		}
+		if ( ! array_key_exists( 'eraser_friendly_name', $eraser ) ) {
+			/* translators: %d: eraser array index */
+			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a friendly name.' ), $eraser_index ) );
+		}
+		$eraser_friendly_name = $eraser['eraser_friendly_name'];
 		if ( ! array_key_exists( 'callback', $eraser ) ) {
-			/* translators: %d: array index */
+			wp_send_json_error(
-			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a callback.' ), $eraser_index ) );
+				sprintf(
+					/* translators: %s: eraser friendly name */
+					__( 'Eraser does not include a callback: %s.' ),
+					esc_html( $eraser_friendly_name )
+				)
+			);
 		}
 		if ( ! is_callable( $eraser['callback'] ) ) {
-			/* translators: %d: array index */
+			wp_send_json_error(
-			wp_send_json_error( sprintf( __( 'Eraser callback at index %d is not a valid callback.' ), $eraser_index ) );
+				sprintf(
-		}
+					/* translators: %s: eraser friendly name */
+					__( 'Eraser callback is not valid: %s.' ),
-		if ( ! array_key_exists( 'eraser_friendly_name', $eraser ) ) {
+					esc_html( $eraser_friendly_name )
-			/* translators: %d: array index */
+				)
-			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a friendly name.' ), $eraser_index ) );
+			);
 		}
-		$callback             = $eraser['callback'];
+		$callback = $eraser['callback'];
-		$eraser_friendly_name = $eraser['eraser_friendly_name'];
 		$response = call_user_func( $callback, $email_address, $page );
 		if ( is_wp_error( $response ) ) {
 			wp_send_json_error( $response );
 		}
 		if ( ! is_array( $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Did not receive array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'items_removed', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Expected items_removed key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'items_retained', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Expected items_retained key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'messages', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Expected messages key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! is_array( $response['messages'] ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Expected messages key to reference an array in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'done', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: array index */
+					/* translators: 1: eraser friendly name, 2: eraser array index */
 					__( 'Expected done flag in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		wp_send_json_error( $response );
 	}
 	wp_send_json_success( $response );
 }
+/**
+* Ajax handler for site health checks on server communication.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_dotorg_communication() {
+	check_ajax_referer( 'health-check-site-status' );
+	if ( ! current_user_can( 'view_site_health_checks' ) ) {
+		wp_send_json_error();
+	}
+	if ( ! class_exists( 'WP_Site_Health' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+	}
+	$site_health = new WP_Site_Health();
+	wp_send_json_success( $site_health->get_test_dotorg_communication() );
+}
+/**
+* Ajax handler for site health checks on debug mode.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_is_in_debug_mode() {
+	wp_verify_nonce( 'health-check-site-status' );
+	if ( ! current_user_can( 'view_site_health_checks' ) ) {
+		wp_send_json_error();
+	}
+	if ( ! class_exists( 'WP_Site_Health' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+	}
+	$site_health = new WP_Site_Health();
+	wp_send_json_success( $site_health->get_test_is_in_debug_mode() );
+}
+/**
+* Ajax handler for site health checks on background updates.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_background_updates() {
+	check_ajax_referer( 'health-check-site-status' );
+	if ( ! current_user_can( 'view_site_health_checks' ) ) {
+		wp_send_json_error();
+	}
+	if ( ! class_exists( 'WP_Site_Health' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+	}
+	$site_health = new WP_Site_Health();
+	wp_send_json_success( $site_health->get_test_background_updates() );
+}
+/**
+* Ajax handler for site health checks on loopback requests.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_loopback_requests() {
+	check_ajax_referer( 'health-check-site-status' );
+	if ( ! current_user_can( 'view_site_health_checks' ) ) {
+		wp_send_json_error();
+	}
+	if ( ! class_exists( 'WP_Site_Health' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+	}
+	$site_health = new WP_Site_Health();
+	wp_send_json_success( $site_health->get_test_loopback_requests() );
+}
+/**
+* Ajax handler for site health check to update the result status.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_site_status_result() {
+	check_ajax_referer( 'health-check-site-status-result' );
+	if ( ! current_user_can( 'view_site_health_checks' ) ) {
+		wp_send_json_error();
+	}
+	set_transient( 'health-check-site-status-result', wp_json_encode( $_POST['counts'] ) );
+	wp_send_json_success();
+}
+/**
+* Ajax handler for site health check to get directories and database sizes.
+*
+* @since 5.2.0
+*/
+function wp_ajax_health_check_get_sizes() {
+	check_ajax_referer( 'health-check-site-status-result' );
+	if ( ! current_user_can( 'view_site_health_checks' ) || is_multisite() ) {
+		wp_send_json_error();
+	}
+	if ( ! class_exists( 'WP_Debug_Data' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-debug-data.php' );
+	}
+	$sizes_data = WP_Debug_Data::get_sizes();
+	$all_sizes  = array( 'raw' => 0 );
+	foreach ( $sizes_data as $name => $value ) {
+		$name = sanitize_text_field( $name );
+		$data = array();
+		if ( isset( $value['size'] ) ) {
+			if ( is_string( $value['size'] ) ) {
+				$data['size'] = sanitize_text_field( $value['size'] );
+			} else {
+				$data['size'] = (int) $value['size'];
+			}
+		}
+		if ( isset( $value['debug'] ) ) {
+			if ( is_string( $value['debug'] ) ) {
+				$data['debug'] = sanitize_text_field( $value['debug'] );
+			} else {
+				$data['debug'] = (int) $value['debug'];
+			}
+		}
+		if ( ! empty( $value['raw'] ) ) {
+			$data['raw'] = (int) $value['raw'];
+		}
+		$all_sizes[ $name ] = $data;
+	}
+	if ( isset( $all_sizes['total_size']['debug'] ) && 'not available' === $all_sizes['total_size']['debug'] ) {
+		wp_send_json_error( $all_sizes );
+	}
+	wp_send_json_success( $all_sizes );
+}

changeset 9	177826044cd9
parent 7	cf61fcea0001
child 16	a86126ab1dd4