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

equal deleted inserted replaced

-:c7c34916027a
+:177826044cd9
 * @param array $post_data Array of post data. Defaults to the contents of $_POST.
 * @return object|bool WP_Error on failure, true on success.
 */
 function _wp_translate_postdata( $update = false, $post_data = null ) {
-	if ( empty($post_data) )
+	if ( empty( $post_data ) ) {
 		$post_data = &$_POST;
+	}
-	if ( $update )
+	if ( $update ) {
 		$post_data['ID'] = (int) $post_data['post_ID'];
+	}
 	$ptype = get_post_type_object( $post_data['post_type'] );
 	if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
-		if ( 'page' == $post_data['post_type'] )
+		if ( 'page' == $post_data['post_type'] ) {
 			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
-		else
+		} else {
 			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
+		}
 	} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
-		if ( 'page' == $post_data['post_type'] )
+		if ( 'page' == $post_data['post_type'] ) {
 			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
-		else
+		} else {
 			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
-	}
+		}
+	}
-	if ( isset( $post_data['content'] ) )
+	if ( isset( $post_data['content'] ) ) {
 		$post_data['post_content'] = $post_data['content'];
+	}
-	if ( isset( $post_data['excerpt'] ) )
+	if ( isset( $post_data['excerpt'] ) ) {
 		$post_data['post_excerpt'] = $post_data['excerpt'];
+	}
-	if ( isset( $post_data['parent_id'] ) )
+	if ( isset( $post_data['parent_id'] ) ) {
 		$post_data['post_parent'] = (int) $post_data['parent_id'];
+	}
-	if ( isset($post_data['trackback_url']) )
+	if ( isset( $post_data['trackback_url'] ) ) {
 		$post_data['to_ping'] = $post_data['trackback_url'];
+	}
 	$post_data['user_ID'] = get_current_user_id();
-	if (!empty ( $post_data['post_author_override'] ) ) {
+	if ( ! empty( $post_data['post_author_override'] ) ) {
 		$post_data['post_author'] = (int) $post_data['post_author_override'];
 	} else {
-		if (!empty ( $post_data['post_author'] ) ) {
+		if ( ! empty( $post_data['post_author'] ) ) {
 			$post_data['post_author'] = (int) $post_data['post_author'];
 		} else {
 			$post_data['post_author'] = (int) $post_data['user_ID'];
 		}
 	}
 	if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
-		 && ! current_user_can( $ptype->cap->edit_others_posts ) ) {
+		&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {
 		if ( $update ) {
-			if ( 'page' == $post_data['post_type'] )
+			if ( 'page' == $post_data['post_type'] ) {
 				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
-			else
+			} else {
 				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
+			}
 		} else {
-			if ( 'page' == $post_data['post_type'] )
+			if ( 'page' == $post_data['post_type'] ) {
 				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
-			else
+			} else {
 				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
+			}
 		}
 	}
 	if ( ! empty( $post_data['post_status'] ) ) {
 		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
 			unset( $post_data['post_status'] );
 		}
 	}
 	// What to do based on which button they pressed
-	if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
+	if ( isset( $post_data['saveasdraft'] ) && '' != $post_data['saveasdraft'] ) {
 		$post_data['post_status'] = 'draft';
-	if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
+	}
+	if ( isset( $post_data['saveasprivate'] ) && '' != $post_data['saveasprivate'] ) {
 		$post_data['post_status'] = 'private';
-	if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
+	}
+	if ( isset( $post_data['publish'] ) && ( '' != $post_data['publish'] ) && ( ! isset( $post_data['post_status'] ) || $post_data['post_status'] != 'private' ) ) {
 		$post_data['post_status'] = 'publish';
-	if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
+	}
+	if ( isset( $post_data['advanced'] ) && '' != $post_data['advanced'] ) {
 		$post_data['post_status'] = 'draft';
-	if ( isset($post_data['pending']) && '' != $post_data['pending'] )
+	}
+	if ( isset( $post_data['pending'] ) && '' != $post_data['pending'] ) {
 		$post_data['post_status'] = 'pending';
+	}
-	if ( isset( $post_data['ID'] ) )
+	if ( isset( $post_data['ID'] ) ) {
 		$post_id = $post_data['ID'];
-	else
+	} else {
 		$post_id = false;
+	}
 	$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
 	if ( isset( $post_data['post_status'] ) && 'private' == $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
 		$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
 	}
 	$published_statuses = array( 'publish', 'future' );
 	// Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
 	// Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
-	if ( isset($post_data['post_status']) && (in_array( $post_data['post_status'], $published_statuses ) && !current_user_can( $ptype->cap->publish_posts )) )
+	if ( isset( $post_data['post_status'] ) && ( in_array( $post_data['post_status'], $published_statuses ) && ! current_user_can( $ptype->cap->publish_posts ) ) ) {
-		if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
+		if ( ! in_array( $previous_status, $published_statuses ) || ! current_user_can( 'edit_post', $post_id ) ) {
 			$post_data['post_status'] = 'pending';
+		}
+	}
 	if ( ! isset( $post_data['post_status'] ) ) {
 		$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
 	}
 	if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
 		unset( $post_data['post_password'] );
 	}
-	if (!isset( $post_data['comment_status'] ))
+	if ( ! isset( $post_data['comment_status'] ) ) {
 		$post_data['comment_status'] = 'closed';
+	}
-	if (!isset( $post_data['ping_status'] ))
+	if ( ! isset( $post_data['ping_status'] ) ) {
 		$post_data['ping_status'] = 'closed';
+	}
-	foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
-		if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
+	foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {
+		if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) {
 			$post_data['edit_date'] = '1';
 			break;
 		}
 	}
-	if ( !empty( $post_data['edit_date'] ) ) {
+	if ( ! empty( $post_data['edit_date'] ) ) {
-		$aa = $post_data['aa'];
+		$aa                     = $post_data['aa'];
-		$mm = $post_data['mm'];
+		$mm                     = $post_data['mm'];
-		$jj = $post_data['jj'];
+		$jj                     = $post_data['jj'];
-		$hh = $post_data['hh'];
+		$hh                     = $post_data['hh'];
-		$mn = $post_data['mn'];
+		$mn                     = $post_data['mn'];
-		$ss = $post_data['ss'];
+		$ss                     = $post_data['ss'];
-		$aa = ($aa <= 0 ) ? date('Y') : $aa;
+		$aa                     = ( $aa <= 0 ) ? date( 'Y' ) : $aa;
-		$mm = ($mm <= 0 ) ? date('n') : $mm;
+		$mm                     = ( $mm <= 0 ) ? date( 'n' ) : $mm;
-		$jj = ($jj > 31 ) ? 31 : $jj;
+		$jj                     = ( $jj > 31 ) ? 31 : $jj;
-		$jj = ($jj <= 0 ) ? date('j') : $jj;
+		$jj                     = ( $jj <= 0 ) ? date( 'j' ) : $jj;
-		$hh = ($hh > 23 ) ? $hh -24 : $hh;
+		$hh                     = ( $hh > 23 ) ? $hh - 24 : $hh;
-		$mn = ($mn > 59 ) ? $mn -60 : $mn;
+		$mn                     = ( $mn > 59 ) ? $mn - 60 : $mn;
-		$ss = ($ss > 59 ) ? $ss -60 : $ss;
+		$ss                     = ( $ss > 59 ) ? $ss - 60 : $ss;
-		$post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
+		$post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss );
-		$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
+		$valid_date             = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
-		if ( !$valid_date ) {
+		if ( ! $valid_date ) {
 			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
 		}
 		$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
 	}
 	return $post_data;
 }
 /**
+* Returns only allowed post data fields
+*
+* @since 5.0.1
+*
+* @param array $post_data Array of post data. Defaults to the contents of $_POST.
+* @return object|bool WP_Error on failure, true on success.
+*/
+function _wp_get_allowed_postdata( $post_data = null ) {
+	if ( empty( $post_data ) ) {
+		$post_data = $_POST;
+	}
+	// Pass through errors
+	if ( is_wp_error( $post_data ) ) {
+		return $post_data;
+	}
+	return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
+}
+/**
 * Update an existing post with values provided in $_POST.
 *
 * @since 1.5.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 * @return int Post ID.
 */
 function edit_post( $post_data = null ) {
 	global $wpdb;
-	if ( empty($post_data) )
+	if ( empty( $post_data ) ) {
 		$post_data = &$_POST;
+	}
 	// Clear out any data in internal vars.
 	unset( $post_data['filter'] );
-	$post_ID = (int) $post_data['post_ID'];
+	$post_ID                     = (int) $post_data['post_ID'];
-	$post = get_post( $post_ID );
+	$post                        = get_post( $post_ID );
-	$post_data['post_type'] = $post->post_type;
+	$post_data['post_type']      = $post->post_type;
 	$post_data['post_mime_type'] = $post->post_mime_type;
 	if ( ! empty( $post_data['post_status'] ) ) {
 		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
 		if ( 'inherit' == $post_data['post_status'] ) {
 			unset( $post_data['post_status'] );
 		}
 	}
-	$ptype = get_post_type_object($post_data['post_type']);
+	$ptype = get_post_type_object( $post_data['post_type'] );
-	if ( !current_user_can( 'edit_post', $post_ID ) ) {
+	if ( ! current_user_can( 'edit_post', $post_ID ) ) {
-		if ( 'page' == $post_data['post_type'] )
+		if ( 'page' == $post_data['post_type'] ) {
-			wp_die( __('Sorry, you are not allowed to edit this page.' ));
+			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
-		else
+		} else {
-			wp_die( __('Sorry, you are not allowed to edit this post.' ));
+			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+		}
 	}
 	if ( post_type_supports( $ptype->name, 'revisions' ) ) {
-		$revisions = wp_get_post_revisions( $post_ID, array( 'order' => 'ASC', 'posts_per_page' => 1 ) );
+		$revisions = wp_get_post_revisions(
-		$revision = current( $revisions );
+			$post_ID,
+			array(
+				'order'          => 'ASC',
+				'posts_per_page' => 1,
+			)
+		);
+		$revision  = current( $revisions );
 		// Check if the revisions have been upgraded
-		if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 )
+		if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) {
 			_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) );
-	}
+		}
+	}
-	if ( isset($post_data['visibility']) ) {
+	if ( isset( $post_data['visibility'] ) ) {
 		switch ( $post_data['visibility'] ) {
-			case 'public' :
+			case 'public':
 				$post_data['post_password'] = '';
 				break;
-			case 'password' :
+			case 'password':
 				unset( $post_data['sticky'] );
 				break;
-			case 'private' :
+			case 'private':
-				$post_data['post_status'] = 'private';
+				$post_data['post_status']   = 'private';
 				$post_data['post_password'] = '';
 				unset( $post_data['sticky'] );
 				break;
 		}
 	}
 	$post_data = _wp_translate_postdata( true, $post_data );
-	if ( is_wp_error($post_data) )
+	if ( is_wp_error( $post_data ) ) {
 		wp_die( $post_data->get_error_message() );
+	}
+	$translated = _wp_get_allowed_postdata( $post_data );
 	// Post Formats
-	if ( isset( $post_data['post_format'] ) )
+	if ( isset( $post_data['post_format'] ) ) {
 		set_post_format( $post_ID, $post_data['post_format'] );
+	}
 	$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
 	foreach ( $format_meta_urls as $format_meta_url ) {
 		$keyed = '_format_' . $format_meta_url;
-		if ( isset( $post_data[ $keyed ] ) )
+		if ( isset( $post_data[ $keyed ] ) ) {
 			update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
+		}
 	}
 	$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
 	foreach ( $format_keys as $key ) {
 		$keyed = '_format_' . $key;
 		if ( isset( $post_data[ $keyed ] ) ) {
-			if ( current_user_can( 'unfiltered_html' ) )
+			if ( current_user_can( 'unfiltered_html' ) ) {
 				update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
-			else
+			} else {
 				update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
+			}
 		}
 	}
 	if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
 		$id3data = wp_get_attachment_metadata( $post_ID );
 		}
 		wp_update_attachment_metadata( $post_ID, $id3data );
 	}
 	// Meta Stuff
-	if ( isset($post_data['meta']) && $post_data['meta'] ) {
+	if ( isset( $post_data['meta'] ) && $post_data['meta'] ) {
 		foreach ( $post_data['meta'] as $key => $value ) {
-			if ( !$meta = get_post_meta_by_id( $key ) )
+			if ( ! $meta = get_post_meta_by_id( $key ) ) {
 				continue;
-			if ( $meta->post_id != $post_ID )
+			}
+			if ( $meta->post_id != $post_ID ) {
 				continue;
-			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) )
+			}
+			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) {
 				continue;
-			if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
+			}
+			if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) {
 				continue;
+			}
 			update_meta( $key, $value['key'], $value['value'] );
 		}
 	}
-	if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
+	if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) {
 		foreach ( $post_data['deletemeta'] as $key => $value ) {
-			if ( !$meta = get_post_meta_by_id( $key ) )
+			if ( ! $meta = get_post_meta_by_id( $key ) ) {
 				continue;
-			if ( $meta->post_id != $post_ID )
+			}
+			if ( $meta->post_id != $post_ID ) {
 				continue;
-			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
+			}
+			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) {
 				continue;
+			}
 			delete_meta( $key );
 		}
 	}
 	// Attachment stuff
 	if ( 'attachment' == $post_data['post_type'] ) {
-		if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
+		if ( isset( $post_data['_wp_attachment_image_alt'] ) ) {
 			$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
 			if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
 				$image_alt = wp_strip_all_tags( $image_alt, true );
 				// update_meta expects slashed.
 				update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
 		}
 		$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
 		/** This filter is documented in wp-admin/includes/media.php */
-		$post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
+		$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
 	}
 	// Convert taxonomy input to term IDs, to avoid ambiguity.
 	if ( isset( $post_data['tax_input'] ) ) {
 		foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
-			// Hierarchical taxonomy data is already sent as term IDs, so no conversion is necessary.
+			$tax_object = get_taxonomy( $taxonomy );
-			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+			if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) {
+				$translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) );
+			}
+		}
+	}
+	add_meta( $post_ID );
+	update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
+	$success = wp_update_post( $translated );
+	// If the save failed, see if we can sanity check the main fields and try again
+	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
+		$fields = array( 'post_title', 'post_content', 'post_excerpt' );
+		foreach ( $fields as $field ) {
+			if ( isset( $translated[ $field ] ) ) {
+				$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
+			}
+		}
+		wp_update_post( $translated );
+	}
+	// Now that we have an ID we can fix any attachment anchor hrefs
+	_fix_attachment_links( $post_ID );
+	wp_set_post_lock( $post_ID );
+	if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
+		if ( ! empty( $post_data['sticky'] ) ) {
+			stick_post( $post_ID );
+		} else {
+			unstick_post( $post_ID );
+		}
+	}
+	return $post_ID;
+}
+/**
+* Process the post data for the bulk editing of posts.
+*
+* Updates all bulk edited posts/pages, adding (but not removing) tags and
+* categories. Skips pages when they would be their own parent or child.
+*
+* @since 2.7.0
+*
+* @global wpdb $wpdb WordPress database abstraction object.
+*
+* @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
+* @return array
+*/
+function bulk_edit_posts( $post_data = null ) {
+	global $wpdb;
+	if ( empty( $post_data ) ) {
+		$post_data = &$_POST;
+	}
+	if ( isset( $post_data['post_type'] ) ) {
+		$ptype = get_post_type_object( $post_data['post_type'] );
+	} else {
+		$ptype = get_post_type_object( 'post' );
+	}
+	if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
+		if ( 'page' == $ptype->name ) {
+			wp_die( __( 'Sorry, you are not allowed to edit pages.' ) );
+		} else {
+			wp_die( __( 'Sorry, you are not allowed to edit posts.' ) );
+		}
+	}
+	if ( -1 == $post_data['_status'] ) {
+		$post_data['post_status'] = null;
+		unset( $post_data['post_status'] );
+	} else {
+		$post_data['post_status'] = $post_data['_status'];
+	}
+	unset( $post_data['_status'] );
+	if ( ! empty( $post_data['post_status'] ) ) {
+		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
+		if ( 'inherit' == $post_data['post_status'] ) {
+			unset( $post_data['post_status'] );
+		}
+	}
+	$post_IDs = array_map( 'intval', (array) $post_data['post'] );
+	$reset = array(
+		'post_author',
+		'post_status',
+		'post_password',
+		'post_parent',
+		'page_template',
+		'comment_status',
+		'ping_status',
+		'keep_private',
+		'tax_input',
+		'post_category',
+		'sticky',
+		'post_format',
+	);
+	foreach ( $reset as $field ) {
+		if ( isset( $post_data[ $field ] ) && ( '' == $post_data[ $field ] || -1 == $post_data[ $field ] ) ) {
+			unset( $post_data[ $field ] );
+		}
+	}
+	if ( isset( $post_data['post_category'] ) ) {
+		if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) {
+			$new_cats = array_map( 'absint', $post_data['post_category'] );
+		} else {
+			unset( $post_data['post_category'] );
+		}
+	}
+	$tax_input = array();
+	if ( isset( $post_data['tax_input'] ) ) {
+		foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
+			if ( empty( $terms ) ) {
 				continue;
 			}
+			if ( is_taxonomy_hierarchical( $tax_name ) ) {
-			/*
+				$tax_input[ $tax_name ] = array_map( 'absint', $terms );
-			 * Assume that a 'tax_input' string is a comma-separated list of term names.
+			} else {
-			 * Some languages may use a character other than a comma as a delimiter, so we standardize on
-			 * commas before parsing the list.
-			 */
-			if ( ! is_array( $terms ) ) {
 				$comma = _x( ',', 'tag delimiter' );
 				if ( ',' !== $comma ) {
 					$terms = str_replace( $comma, ',', $terms );
 				}
-				$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
-			}
-			$clean_terms = array();
-			foreach ( $terms as $term ) {
-				// Empty terms are invalid input.
-				if ( empty( $term ) ) {
-					continue;
-				}
-				$_term = get_terms( $taxonomy, array(
-					'name' => $term,
-					'fields' => 'ids',
-					'hide_empty' => false,
-				) );
-				if ( ! empty( $_term ) ) {
-					$clean_terms[] = intval( $_term[0] );
-				} else {
-					// No existing term was found, so pass the string. A new term will be created.
-					$clean_terms[] = $term;
-				}
-			}
-			$post_data['tax_input'][ $taxonomy ] = $clean_terms;
-		}
-	}
-	add_meta( $post_ID );
-	update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
-	$success = wp_update_post( $post_data );
-	// If the save failed, see if we can sanity check the main fields and try again
-	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
-		$fields = array( 'post_title', 'post_content', 'post_excerpt' );
-		foreach ( $fields as $field ) {
-			if ( isset( $post_data[ $field ] ) ) {
-				$post_data[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $post_data[ $field ] );
-			}
-		}
-		wp_update_post( $post_data );
-	}
-	// Now that we have an ID we can fix any attachment anchor hrefs
-	_fix_attachment_links( $post_ID );
-	wp_set_post_lock( $post_ID );
-	if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
-		if ( ! empty( $post_data['sticky'] ) )
-			stick_post( $post_ID );
-		else
-			unstick_post( $post_ID );
-	}
-	return $post_ID;
-}
-/**
-* Process the post data for the bulk editing of posts.
-*
-* Updates all bulk edited posts/pages, adding (but not removing) tags and
-* categories. Skips pages when they would be their own parent or child.
-*
-* @since 2.7.0
-*
-* @global wpdb $wpdb WordPress database abstraction object.
-*
-* @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
-* @return array
-*/
-function bulk_edit_posts( $post_data = null ) {
-	global $wpdb;
-	if ( empty($post_data) )
-		$post_data = &$_POST;
-	if ( isset($post_data['post_type']) )
-		$ptype = get_post_type_object($post_data['post_type']);
-	else
-		$ptype = get_post_type_object('post');
-	if ( !current_user_can( $ptype->cap->edit_posts ) ) {
-		if ( 'page' == $ptype->name )
-			wp_die( __('Sorry, you are not allowed to edit pages.'));
-		else
-			wp_die( __('Sorry, you are not allowed to edit posts.'));
-	}
-	if ( -1 == $post_data['_status'] ) {
-		$post_data['post_status'] = null;
-		unset($post_data['post_status']);
-	} else {
-		$post_data['post_status'] = $post_data['_status'];
-	}
-	unset($post_data['_status']);
-	if ( ! empty( $post_data['post_status'] ) ) {
-		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
-		if ( 'inherit' == $post_data['post_status'] ) {
-			unset( $post_data['post_status'] );
-		}
-	}
-	$post_IDs = array_map( 'intval', (array) $post_data['post'] );
-	$reset = array(
-		'post_author', 'post_status', 'post_password',
-		'post_parent', 'page_template', 'comment_status',
-		'ping_status', 'keep_private', 'tax_input',
-		'post_category', 'sticky', 'post_format',
-	);
-	foreach ( $reset as $field ) {
-		if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
-			unset($post_data[$field]);
-	}
-	if ( isset($post_data['post_category']) ) {
-		if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
-			$new_cats = array_map( 'absint', $post_data['post_category'] );
-		else
-			unset($post_data['post_category']);
-	}
-	$tax_input = array();
-	if ( isset($post_data['tax_input'])) {
-		foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
-			if ( empty($terms) )
-				continue;
-			if ( is_taxonomy_hierarchical( $tax_name ) ) {
-				$tax_input[ $tax_name ] = array_map( 'absint', $terms );
-			} else {
-				$comma = _x( ',', 'tag delimiter' );
-				if ( ',' !== $comma )
-					$terms = str_replace( $comma, ',', $terms );
 				$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
 			}
 		}
 	}
-	if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
+	if ( isset( $post_data['post_parent'] ) && ( $parent = (int) $post_data['post_parent'] ) ) {
-		$pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
+		$pages    = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" );
 		$children = array();
 		for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
 			$children[] = $parent;
 				}
 			}
 		}
 	}
-	$updated = $skipped = $locked = array();
+	$updated          = $skipped = $locked = array();
 	$shared_post_data = $post_data;
 	foreach ( $post_IDs as $post_ID ) {
 		// Start with fresh post data with each iteration.
 		$post_data = $shared_post_data;
 		$post_type_object = get_post_type_object( get_post_type( $post_ID ) );
-		if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
+		if ( ! isset( $post_type_object ) || ( isset( $children ) && in_array( $post_ID, $children ) ) || ! current_user_can( 'edit_post', $post_ID ) ) {
 			$skipped[] = $post_ID;
 			continue;
 		}
 		if ( wp_check_post_lock( $post_ID ) ) {
 			$locked[] = $post_ID;
 			continue;
 		}
-		$post = get_post( $post_ID );
+		$post      = get_post( $post_ID );
 		$tax_names = get_object_taxonomies( $post );
 		foreach ( $tax_names as $tax_name ) {
-			$taxonomy_obj = get_taxonomy($tax_name);
+			$taxonomy_obj = get_taxonomy( $tax_name );
-			if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
+			if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
-				$new_terms = $tax_input[$tax_name];
+				$new_terms = $tax_input[ $tax_name ];
-			else
+			} else {
 				$new_terms = array();
+			}
-			if ( $taxonomy_obj->hierarchical )
-				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
+			if ( $taxonomy_obj->hierarchical ) {
-			else
+				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) );
-				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
+			} else {
+				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) );
-			$post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
+			}
-		}
+			$post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms );
-		if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
+		}
-			$cats = (array) wp_get_post_categories($post_ID);
-			$post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
+		if ( isset( $new_cats ) && in_array( 'category', $tax_names ) ) {
+			$cats                       = (array) wp_get_post_categories( $post_ID );
+			$post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) );
 			unset( $post_data['tax_input']['category'] );
 		}
-		$post_data['post_type'] = $post->post_type;
+		$post_data['post_ID']        = $post_ID;
+		$post_data['post_type']      = $post->post_type;
 		$post_data['post_mime_type'] = $post->post_mime_type;
-		$post_data['guid'] = $post->guid;
 		foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
 			if ( ! isset( $post_data[ $field ] ) ) {
 				$post_data[ $field ] = $post->$field;
 			}
 		}
-		$post_data['ID'] = $post_ID;
-		$post_data['post_ID'] = $post_ID;
 		$post_data = _wp_translate_postdata( true, $post_data );
 		if ( is_wp_error( $post_data ) ) {
 			$skipped[] = $post_ID;
 			continue;
 		}
+		$post_data = _wp_get_allowed_postdata( $post_data );
-		if ( isset( $post_data['post_format'] ) ) {
-			set_post_format( $post_ID, $post_data['post_format'] );
+		if ( isset( $shared_post_data['post_format'] ) ) {
-			unset( $post_data['tax_input']['post_format'] );
+			set_post_format( $post_ID, $shared_post_data['post_format'] );
 		}
+		// Prevent wp_insert_post() from overwriting post format with the old data.
+		unset( $post_data['tax_input']['post_format'] );
 		$updated[] = wp_update_post( $post_data );
 		if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
-			if ( 'sticky' == $post_data['sticky'] )
+			if ( 'sticky' == $post_data['sticky'] ) {
 				stick_post( $post_ID );
-			else
+			} else {
 				unstick_post( $post_ID );
-		}
+			}
-	}
+		}
+	}
-	return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
+	return array(
+		'updated' => $updated,
+		'skipped' => $skipped,
+		'locked'  => $locked,
+	);
 }
 /**
 * Default post information to use when populating the "Write Post" form.
 *
 * @param bool   $create_in_db Optional. Whether to insert the post into database. Default false.
 * @return WP_Post Post object containing all the default post data as attributes
 */
 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
 	$post_title = '';
-	if ( !empty( $_REQUEST['post_title'] ) )
+	if ( ! empty( $_REQUEST['post_title'] ) ) {
-		$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ));
+		$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) );
+	}
 	$post_content = '';
-	if ( !empty( $_REQUEST['content'] ) )
+	if ( ! empty( $_REQUEST['content'] ) ) {
-		$post_content = esc_html( wp_unslash( $_REQUEST['content'] ));
+		$post_content = esc_html( wp_unslash( $_REQUEST['content'] ) );
+	}
 	$post_excerpt = '';
-	if ( !empty( $_REQUEST['excerpt'] ) )
+	if ( ! empty( $_REQUEST['excerpt'] ) ) {
-		$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ));
+		$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) );
+	}
 	if ( $create_in_db ) {
-		$post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
+		$post_id = wp_insert_post(
-		$post = get_post( $post_id );
+			array(
-		if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
+				'post_title'  => __( 'Auto Draft' ),
+				'post_type'   => $post_type,
+				'post_status' => 'auto-draft',
+			)
+		);
+		$post    = get_post( $post_id );
+		if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) {
 			set_post_format( $post, get_option( 'default_post_format' ) );
+		}
+		// Schedule auto-draft cleanup
+		if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) {
+			wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' );
+		}
 	} else {
-		$post = new stdClass;
+		$post                 = new stdClass;
-		$post->ID = 0;
+		$post->ID             = 0;
-		$post->post_author = '';
+		$post->post_author    = '';
-		$post->post_date = '';
+		$post->post_date      = '';
-		$post->post_date_gmt = '';
+		$post->post_date_gmt  = '';
-		$post->post_password = '';
+		$post->post_password  = '';
-		$post->post_name = '';
+		$post->post_name      = '';
-		$post->post_type = $post_type;
+		$post->post_type      = $post_type;
-		$post->post_status = 'draft';
+		$post->post_status    = 'draft';
-		$post->to_ping = '';
+		$post->to_ping        = '';
-		$post->pinged = '';
+		$post->pinged         = '';
 		$post->comment_status = get_default_comment_status( $post_type );
-		$post->ping_status = get_default_comment_status( $post_type, 'pingback' );
+		$post->ping_status    = get_default_comment_status( $post_type, 'pingback' );
-		$post->post_pingback = get_option( 'default_pingback_flag' );
+		$post->post_pingback  = get_option( 'default_pingback_flag' );
-		$post->post_category = get_option( 'default_category' );
+		$post->post_category  = get_option( 'default_category' );
-		$post->page_template = 'default';
+		$post->page_template  = 'default';
-		$post->post_parent = 0;
+		$post->post_parent    = 0;
-		$post->menu_order = 0;
+		$post->menu_order     = 0;
-		$post = new WP_Post( $post );
+		$post                 = new WP_Post( $post );
 	}
 	/**
 	 * Filters the default post content initially used in the "Write Post" form.
 	 *
 	 * @since 1.5.0
 	 *
 	 * @param string  $post_content Default post content.
 	 * @param WP_Post $post         Post object.
 	 */
-	$post->post_content = apply_filters( 'default_content', $post_content, $post );
+	$post->post_content = (string) apply_filters( 'default_content', $post_content, $post );
 	/**
 	 * Filters the default post title initially used in the "Write Post" form.
 	 *
 	 * @since 1.5.0
 	 *
 	 * @param string  $post_title Default post title.
 	 * @param WP_Post $post       Post object.
 	 */
-	$post->post_title = apply_filters( 'default_title', $post_title, $post );
+	$post->post_title = (string) apply_filters( 'default_title', $post_title, $post );
 	/**
 	 * Filters the default post excerpt initially used in the "Write Post" form.
 	 *
 	 * @since 1.5.0
 	 *
 	 * @param string  $post_excerpt Default post excerpt.
 	 * @param WP_Post $post         Post object.
 	 */
-	$post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post );
+	$post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post );
 	return $post;
 }
 /**
-* Determine if a post exists based on title, content, and date
+* Determines if a post exists based on title, content, date and type.
 *
 * @since 2.0.0
+* @since 5.2.0 Added the `$type` parameter.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
-* @param string $title Post title
+* @param string $title   Post title.
-* @param string $content Optional post content
+* @param string $content Optional post content.
-* @param string $date Optional post date
+* @param string $date    Optional post date.
+* @param string $type    Optional post type.
 * @return int Post ID if post exists, 0 otherwise.
 */
-function post_exists($title, $content = '', $date = '') {
+function post_exists( $title, $content = '', $date = '', $type = '' ) {
 	global $wpdb;
-	$post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
+	$post_title   = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
 	$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
-	$post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
+	$post_date    = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
+	$post_type    = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) );
 	$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
-	$args = array();
+	$args  = array();
-	if ( !empty ( $date ) ) {
+	if ( ! empty( $date ) ) {
 		$query .= ' AND post_date = %s';
 		$args[] = $post_date;
 	}
-	if ( !empty ( $title ) ) {
+	if ( ! empty( $title ) ) {
 		$query .= ' AND post_title = %s';
 		$args[] = $post_title;
 	}
-	if ( !empty ( $content ) ) {
+	if ( ! empty( $content ) ) {
 		$query .= ' AND post_content = %s';
 		$args[] = $post_content;
 	}
-	if ( !empty ( $args ) )
+	if ( ! empty( $type ) ) {
-		return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
+		$query .= ' AND post_type = %s';
+		$args[] = $post_type;
+	}
+	if ( ! empty( $args ) ) {
+		return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) );
+	}
 	return 0;
 }
 /**
 * @global WP_User $current_user
 *
 * @return int|WP_Error
 */
 function wp_write_post() {
-	if ( isset($_POST['post_type']) )
+	if ( isset( $_POST['post_type'] ) ) {
-		$ptype = get_post_type_object($_POST['post_type']);
+		$ptype = get_post_type_object( $_POST['post_type'] );
-	else
+	} else {
-		$ptype = get_post_type_object('post');
+		$ptype = get_post_type_object( 'post' );
+	}
-	if ( !current_user_can( $ptype->cap->edit_posts ) ) {
-		if ( 'page' == $ptype->name )
+	if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
+		if ( 'page' == $ptype->name ) {
 			return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) );
-		else
+		} else {
 			return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) );
+		}
 	}
 	$_POST['post_mime_type'] = '';
 	// Clear out any data in internal vars.
 	unset( $_POST['filter'] );
 	// Edit don't write if we have a post id.
-	if ( isset( $_POST['post_ID'] ) )
+	if ( isset( $_POST['post_ID'] ) ) {
 		return edit_post();
+	}
-	if ( isset($_POST['visibility']) ) {
+	if ( isset( $_POST['visibility'] ) ) {
 		switch ( $_POST['visibility'] ) {
-			case 'public' :
+			case 'public':
 				$_POST['post_password'] = '';
 				break;
-			case 'password' :
+			case 'password':
 				unset( $_POST['sticky'] );
 				break;
-			case 'private' :
+			case 'private':
-				$_POST['post_status'] = 'private';
+				$_POST['post_status']   = 'private';
 				$_POST['post_password'] = '';
 				unset( $_POST['sticky'] );
 				break;
 		}
 	}
 	$translated = _wp_translate_postdata( false );
-	if ( is_wp_error($translated) )
+	if ( is_wp_error( $translated ) ) {
 		return $translated;
+	}
+	$translated = _wp_get_allowed_postdata( $translated );
 	// Create the post.
-	$post_ID = wp_insert_post( $_POST );
+	$post_ID = wp_insert_post( $translated );
-	if ( is_wp_error( $post_ID ) )
+	if ( is_wp_error( $post_ID ) ) {
 		return $post_ID;
+	}
-	if ( empty($post_ID) )
+	if ( empty( $post_ID ) ) {
 		return 0;
+	}
 	add_meta( $post_ID );
 	add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
 *
 * @return int|null
 */
 function write_post() {
 	$result = wp_write_post();
-	if ( is_wp_error( $result ) )
+	if ( is_wp_error( $result ) ) {
 		wp_die( $result->get_error_message() );
-	else
+	} else {
 		return $result;
+	}
 }
 //
 // Post Meta
 //
 * @return int|bool
 */
 function add_meta( $post_ID ) {
 	$post_ID = (int) $post_ID;
-	$metakeyselect = isset($_POST['metakeyselect']) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
+	$metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
-	$metakeyinput = isset($_POST['metakeyinput']) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
+	$metakeyinput  = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
-	$metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
+	$metavalue     = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : '';
-	if ( is_string( $metavalue ) )
+	if ( is_string( $metavalue ) ) {
 		$metavalue = trim( $metavalue );
+	}
-	if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) {
+	if ( ( ( '#NONE#' != $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) {
 		/*
 		 * We have a key/value pair. If both the select and the input
 		 * for the key have data, the input takes precedence.
 		 */
-		if ( '#NONE#' != $metakeyselect )
+		if ( '#NONE#' != $metakeyselect ) {
 			$metakey = $metakeyselect;
+		}
-		if ( $metakeyinput )
+		if ( $metakeyinput ) {
 			$metakey = $metakeyinput; // default
+		}
-		if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
+		if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) {
 			return false;
+		}
 		$metakey = wp_slash( $metakey );
 		return add_post_meta( $post_ID, $metakey, $metavalue );
 	}
 *
 * @param int $mid
 * @return bool
 */
 function delete_meta( $mid ) {
-	return delete_metadata_by_mid( 'post' , $mid );
+	return delete_metadata_by_mid( 'post', $mid );
 }
 /**
 * Get a list of previously defined keys.
 *
 * @return mixed
 */
 function get_meta_keys() {
 	global $wpdb;
-	$keys = $wpdb->get_col( "
+	$keys = $wpdb->get_col(
+		"
 			SELECT meta_key
 			FROM $wpdb->postmeta
 			GROUP BY meta_key
-			ORDER BY meta_key" );
+			ORDER BY meta_key"
+	);
 	return $keys;
 }
 /**
 * @return mixed
 */
 function has_meta( $postid ) {
 	global $wpdb;
-	return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
+	return $wpdb->get_results(
+		$wpdb->prepare(
+			"SELECT meta_key, meta_value, meta_id, post_id
 			FROM $wpdb->postmeta WHERE post_id = %d
-			ORDER BY meta_key,meta_id", $postid), ARRAY_A );
+			ORDER BY meta_key,meta_id",
+			$postid
+		),
+		ARRAY_A
+	);
 }
 /**
 * Update post meta data by meta ID.
 *
 * @param string $meta_key Expect Slashed
 * @param string $meta_value Expect Slashed
 * @return bool
 */
 function update_meta( $meta_id, $meta_key, $meta_value ) {
-	$meta_key = wp_unslash( $meta_key );
+	$meta_key   = wp_unslash( $meta_key );
 	$meta_value = wp_unslash( $meta_value );
 	return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
 }
 *
 * @param int|object $post Post ID or post object.
 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
 */
 function _fix_attachment_links( $post ) {
-	$post = get_post( $post, ARRAY_A );
+	$post    = get_post( $post, ARRAY_A );
 	$content = $post['post_content'];
 	// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
-	if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) )
+	if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) ) {
 		return;
+	}
 	// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
-	if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
+	if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) {
 		return;
+	}
-	$site_url = get_bloginfo('url');
-	$site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
+	$site_url = get_bloginfo( 'url' );
-	$replace = '';
+	$site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // remove the http(s)
+	$replace  = '';
 	foreach ( $link_matches[1] as $key => $value ) {
-		if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
+		if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' )
-			|| !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
+			|| ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
-			|| !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
+			|| ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) {
 				continue;
+		}
-		$quote = $url_match[1]; // the quote (single or double)
+		$quote  = $url_match[1]; // the quote (single or double)
 		$url_id = (int) $url_match[2];
 		$rel_id = (int) $rel_match[1];
-		if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
+		if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) {
 			continue;
+		}
-		$link = $link_matches[0][$key];
+		$link    = $link_matches[0][ $key ];
 		$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
 		$content = str_replace( $link, $replace, $content );
 	}
 	if ( $replace ) {
 		$post['post_content'] = $content;
 		// Escape data pulled from DB.
-		$post = add_magic_quotes($post);
+		$post = add_magic_quotes( $post );
-		return wp_update_post($post);
+		return wp_update_post( $post );
 	}
 }
 /**
 * Get all the possible statuses for a post_type
 * @since 2.5.0
 *
 * @param string $type The post_type you want the statuses for
 * @return array As array of all the statuses for the supplied post type
 */
-function get_available_post_statuses($type = 'post') {
+function get_available_post_statuses( $type = 'post' ) {
-	$stati = wp_count_posts($type);
+	$stati = wp_count_posts( $type );
-	return array_keys(get_object_vars($stati));
+	return array_keys( get_object_vars( $stati ) );
 }
 /**
 * Run the wp query to fetch the posts for listing on the edit posts page
 *
 *
 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
 * @return array
 */
 function wp_edit_posts_query( $q = false ) {
-	if ( false === $q )
+	if ( false === $q ) {
 		$q = $_GET;
-	$q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
+	}
-	$q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
+	$q['m']     = isset( $q['m'] ) ? (int) $q['m'] : 0;
-	$post_stati  = get_post_stati();
+	$q['cat']   = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
+	$post_stati = get_post_stati();
-	if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
+	if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types() ) ) {
 		$post_type = $q['post_type'];
-	else
+	} else {
 		$post_type = 'post';
+	}
-	$avail_post_stati = get_available_post_statuses($post_type);
+	$avail_post_stati = get_available_post_statuses( $post_type );
-	if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
+	$post_status      = '';
+	$perm             = '';
+	if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati ) ) {
 		$post_status = $q['post_status'];
-		$perm = 'readable';
+		$perm        = 'readable';
 	}
+	$orderby = '';
 	if ( isset( $q['orderby'] ) ) {
 		$orderby = $q['orderby'];
 	} elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ) ) ) {
 		$orderby = 'modified';
 	}
+	$order = '';
 	if ( isset( $q['order'] ) ) {
 		$order = $q['order'];
 	} elseif ( isset( $q['post_status'] ) && 'pending' == $q['post_status'] ) {
 		$order = 'ASC';
 	}
-	$per_page = "edit_{$post_type}_per_page";
+	$per_page       = "edit_{$post_type}_per_page";
 	$posts_per_page = (int) get_user_option( $per_page );
-	if ( empty( $posts_per_page ) || $posts_per_page < 1 )
+	if ( empty( $posts_per_page ) || $posts_per_page < 1 ) {
 		$posts_per_page = 20;
+	}
 	/**
 	 * Filters the number of items per page to show for a specific 'per_page' type.
 	 *
 	 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
 	 * @param int    $posts_per_page Number of posts to be displayed. Default 20.
 	 * @param string $post_type      The post type.
 	 */
 	$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
-	$query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
+	$query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' );
 	// Hierarchical types require special args.
-	if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
+	if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {
-		$query['orderby'] = 'menu_order title';
+		$query['orderby']                = 'menu_order title';
-		$query['order'] = 'asc';
+		$query['order']                  = 'asc';
-		$query['posts_per_page'] = -1;
+		$query['posts_per_page']         = -1;
 		$query['posts_per_archive_page'] = -1;
-		$query['fields'] = 'id=>parent';
+		$query['fields']                 = 'id=>parent';
 	}
-	if ( ! empty( $q['show_sticky'] ) )
+	if ( ! empty( $q['show_sticky'] ) ) {
 		$query['post__in'] = (array) get_option( 'sticky_posts' );
+	}
 	wp( $query );
 	return $avail_post_stati;
-}
-/**
-* Get all available post MIME types for a given post type.
-*
-* @since 2.5.0
-*
-* @global wpdb $wpdb WordPress database abstraction object.
-*
-* @param string $type
-* @return mixed
-*/
-function get_available_post_mime_types($type = 'attachment') {
-	global $wpdb;
-	$types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
-	return $types;
 }
 /**
 * Get the query variables for the current attachments request.
 *
 */
 function wp_edit_attachments_query_vars( $q = false ) {
 	if ( false === $q ) {
 		$q = $_GET;
 	}
-	$q['m']   = isset( $q['m'] ) ? (int) $q['m'] : 0;
+	$q['m']         = isset( $q['m'] ) ? (int) $q['m'] : 0;
-	$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
+	$q['cat']       = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
 	$q['post_type'] = 'attachment';
-	$post_type = get_post_type_object( 'attachment' );
+	$post_type      = get_post_type_object( 'attachment' );
-	$states = 'inherit';
+	$states         = 'inherit';
 	if ( current_user_can( $post_type->cap->read_private_posts ) ) {
 		$states .= ',private';
 	}
 	$q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
 	 * @param int $media_per_page Number of media to list. Default 20.
 	 */
 	$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
 	$post_mime_types = get_post_mime_types();
-	if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) ) {
+	if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) {
-		unset($q['post_mime_type']);
+		unset( $q['post_mime_type'] );
 	}
 	foreach ( array_keys( $post_mime_types ) as $type ) {
 		if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) {
 			$q['post_mime_type'] = $type;
 * @return array
 */
 function wp_edit_attachments_query( $q = false ) {
 	wp( wp_edit_attachments_query_vars( $q ) );
-	$post_mime_types = get_post_mime_types();
+	$post_mime_types       = get_post_mime_types();
 	$avail_post_mime_types = get_available_post_mime_types( 'attachment' );
 	return array( $post_mime_types, $avail_post_mime_types );
 }
 /**
 * Returns the list of classes to be used by a meta box.
 *
 * @since 2.5.0
 *
-* @param string $id
+* @param string $box_id    Meta box ID (used in the 'id' attribute for the meta box).
-* @param string $page
+* @param string $screen_id The screen on which the meta box is shown.
-* @return string
+* @return string Space-separated string of class names.
 */
-function postbox_classes( $id, $page ) {
+function postbox_classes( $box_id, $screen_id ) {
-	if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
+	if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) {
 		$classes = array( '' );
-	} elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
+	} elseif ( $closed = get_user_option( 'closedpostboxes_' . $screen_id ) ) {
-		if ( !is_array( $closed ) ) {
+		if ( ! is_array( $closed ) ) {
 			$classes = array( '' );
 		} else {
-			$classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
+			$classes = in_array( $box_id, $closed ) ? array( 'closed' ) : array( '' );
 		}
 	} else {
 		$classes = array( '' );
 	}
 	/**
-	 * Filters the postbox classes for a specific screen and screen ID combo.
+	 * Filters the postbox classes for a specific screen and box ID combo.
 	 *
-	 * The dynamic portions of the hook name, `$page` and `$id`, refer to
+	 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to
-	 * the screen and screen ID, respectively.
+	 * the screen ID and meta box ID, respectively.
 	 *
 	 * @since 3.2.0
 	 *
-	 * @param array $classes An array of postbox classes.
+	 * @param string[] $classes An array of postbox classes.
 	 */
-	$classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
+	$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes );
 	return implode( ' ', $classes );
 }
 /**
 * Get a sample permalink based off of the post name.
 * @param int    $id    Post ID or post object.
 * @param string $title Optional. Title to override the post's current title when generating the post name. Default null.
 * @param string $name  Optional. Name to override the post name. Default null.
 * @return array Array containing the sample permalink with placeholder for the post name, and the post name.
 */
-function get_sample_permalink($id, $title = null, $name = null) {
+function get_sample_permalink( $id, $title = null, $name = null ) {
 	$post = get_post( $id );
-	if ( ! $post )
+	if ( ! $post ) {
 		return array( '', '' );
+	}
-	$ptype = get_post_type_object($post->post_type);
+	$ptype = get_post_type_object( $post->post_type );
 	$original_status = $post->post_status;
-	$original_date = $post->post_date;
+	$original_date   = $post->post_date;
-	$original_name = $post->post_name;
+	$original_name   = $post->post_name;
 	// Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
 	if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) {
 		$post->post_status = 'publish';
-		$post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
+		$post->post_name   = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID );
 	}
 	// If the user wants to set a new name -- override the current one
 	// Note: if empty name is supplied -- use the title instead, see #6072
-	if ( !is_null($name) )
+	if ( ! is_null( $name ) ) {
-		$post->post_name = sanitize_title($name ? $name : $title, $post->ID);
+		$post->post_name = sanitize_title( $name ? $name : $title, $post->ID );
+	}
-	$post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
+	$post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent );
 	$post->filter = 'sample';
-	$permalink = get_permalink($post, true);
+	$permalink = get_permalink( $post, true );
 	// Replace custom post_type Token with generic pagename token for ease of use.
-	$permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
+	$permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink );
 	// Handle page hierarchy
 	if ( $ptype->hierarchical ) {
-		$uri = get_page_uri($post);
+		$uri = get_page_uri( $post );
 		if ( $uri ) {
-			$uri = untrailingslashit($uri);
+			$uri = untrailingslashit( $uri );
 			$uri = strrev( stristr( strrev( $uri ), '/' ) );
-			$uri = untrailingslashit($uri);
+			$uri = untrailingslashit( $uri );
 		}
 		/** This filter is documented in wp-admin/edit-tag-form.php */
 		$uri = apply_filters( 'editable_slug', $uri, $post );
-		if ( !empty($uri) )
+		if ( ! empty( $uri ) ) {
 			$uri .= '/';
-		$permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
+		}
+		$permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink );
 	}
 	/** This filter is documented in wp-admin/edit-tag-form.php */
-	$permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
+	$permalink         = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
 	$post->post_status = $original_status;
-	$post->post_date = $original_date;
+	$post->post_date   = $original_date;
-	$post->post_name = $original_name;
+	$post->post_name   = $original_name;
-	unset($post->filter);
+	unset( $post->filter );
 	/**
 	 * Filters the sample permalink.
 	 *
 	 * @since 4.4.0
 * @param string $new_slug  Optional. New slug. Default null.
 * @return string The HTML of the sample permalink slug editor.
 */
 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
 	$post = get_post( $id );
-	if ( ! $post )
+	if ( ! $post ) {
 		return '';
+	}
-	list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
+	list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug );
-	$view_link = false;
+	$view_link      = false;
 	$preview_target = '';
 	if ( current_user_can( 'read_post', $post->ID ) ) {
 		if ( 'draft' === $post->post_status || empty( $post->post_name ) ) {
-			$view_link = get_preview_post_link( $post );
+			$view_link      = get_preview_post_link( $post );
 			$preview_target = " target='wp-preview-{$post->ID}'";
 		} else {
 			if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) {
 				$view_link = get_permalink( $post );
 			} else {
 	if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
 		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
 		if ( false !== $view_link ) {
 			$display_link = urldecode( $view_link );
-			$return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
+			$return      .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
 		} else {
 			$return .= '<span id="sample-permalink">' . $permalink . "</span>\n";
 		}
 		// Encourage a pretty permalink setting
-		if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) ) {
+		if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && ! ( 'page' == get_option( 'show_on_front' ) && $id == get_option( 'page_on_front' ) ) ) {
-			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
+			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n";
 		}
 	} else {
 		if ( mb_strlen( $post_name ) > 34 ) {
 			$post_name_abridged = mb_substr( $post_name, 0, 16 ) . '&hellip;' . mb_substr( $post_name, -16 );
 		} else {
 			$post_name_abridged = $post_name;
 		}
 		$post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>';
-		$display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );
+		$display_link   = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );
-		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
+		$return  = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
 		$return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n";
 		$return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages.
 		$return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n";
 		$return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n";
 	}
 	$post               = get_post( $post );
 	$post_type_object   = get_post_type_object( $post->post_type );
 	$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>';
 	$upload_iframe_src  = get_upload_iframe_src( 'image', $post->ID );
-	$content = sprintf( $set_thumbnail_link,
+	$content = sprintf(
+		$set_thumbnail_link,
 		esc_url( $upload_iframe_src ),
 		'', // Empty when there's no featured image set, `aria-describedby` attribute otherwise.
 		esc_html( $post_type_object->labels->set_featured_image )
 	);
 		$size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post );
 		$thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size );
 		if ( ! empty( $thumbnail_html ) ) {
-			$content = sprintf( $set_thumbnail_link,
+			$content  = sprintf(
+				$set_thumbnail_link,
 				esc_url( $upload_iframe_src ),
 				' aria-describedby="set-post-thumbnail-desc"',
 				$thumbnail_html
 			);
 			$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
 	 *
 	 * @since 2.9.0
 	 * @since 3.5.0 Added the `$post_id` parameter.
 	 * @since 4.6.0 Added the `$thumbnail_id` parameter.
 	 *
-	 * @param string $content      Admin post thumbnail HTML markup.
+	 * @param string   $content      Admin post thumbnail HTML markup.
-	 * @param int    $post_id      Post ID.
+	 * @param int      $post_id      Post ID.
-	 * @param int    $thumbnail_id Thumbnail ID.
+	 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one.
 	 */
 	return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id );
 }
 /**
 	if ( 0 == ( $user_id = get_current_user_id() ) ) {
 		return false;
 	}
-	$now = time();
+	$now  = time();
 	$lock = "$now:$user_id";
 	update_post_meta( $post->ID, '_edit_lock', $lock );
 	return array( $now, $user_id );
 *
 * @since 2.8.5
 * @return none
 */
 function _admin_notice_post_locked() {
-	if ( ! $post = get_post() )
+	if ( ! $post = get_post() ) {
 		return;
+	}
 	$user = null;
-	if (  $user_id = wp_check_post_lock( $post->ID ) )
+	if ( $user_id = wp_check_post_lock( $post->ID ) ) {
 		$user = get_userdata( $user_id );
+	}
 	if ( $user ) {
 		/**
 		 * Filters whether to show the post locked dialog.
 		 *
 		 * @param bool         $display Whether to display the dialog. Default true.
 		 * @param WP_Post      $post    Post object.
 		 * @param WP_User|bool $user    WP_User object on success, false otherwise.
 		 */
-		if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) )
+		if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {
 			return;
+		}
 		$locked = true;
 	} else {
 		$locked = false;
 	}
 	if ( $locked && ( $sendback = wp_get_referer() ) &&
 		false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
-		$sendback_text = __('Go back');
+		$sendback_text = __( 'Go back' );
 	} else {
 		$sendback = admin_url( 'edit.php' );
-		if ( 'post' != $post->post_type )
+		if ( 'post' != $post->post_type ) {
 			$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
+		}
 		$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
 	}
 	$hidden = $locked ? '' : ' hidden';
 	if ( $locked ) {
 		$query_args = array();
 		if ( get_post_type_object( $post->post_type )->public ) {
 			if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
 				// Latest content is in autosave
-				$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
+				$nonce                       = wp_create_nonce( 'post_preview_' . $post->ID );
-				$query_args['preview_id'] = $post->ID;
+				$query_args['preview_id']    = $post->ID;
 				$query_args['preview_nonce'] = $nonce;
 			}
 		}
 		$preview_link = get_preview_post_link( $post->ID, $query_args );
 		?>
 		<div class="post-locked-message">
 		<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
 		<p class="currently-editing wp-tab-first" tabindex="0">
 		<?php
-			if ( $override ) {
+		if ( $override ) {
-				/* translators: %s: user's display name */
+			/* translators: %s: user's display name */
-				printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
+			printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
-			} else {
+		} else {
-				/* translators: %s: user's display name */
+			/* translators: %s: user's display name */
-				printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) );
+			printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) );
-			}
+		}
 		?>
 		</p>
 		<?php
 		/**
 		 * Fires inside the post locked dialog before the buttons are displayed.
 		do_action( 'post_locked_dialog', $post );
 		?>
 		<p>
 		<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
 		<?php if ( $preview_link ) { ?>
-		<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e('Preview'); ?></a>
+		<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a>
-		<?php
+			<?php
 		}
 		// Allow plugins to prevent some users overriding the post lock
 		if ( $override ) {
 			?>
-			<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e('Take over'); ?></a>
+	<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a>
 			<?php
 		}
 		?>
 		</p>
 		<div class="post-taken-over">
 			<div class="post-locked-avatar"></div>
 			<p class="wp-tab-first" tabindex="0">
 			<span class="currently-editing"></span><br />
 			<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision&hellip;' ); ?></span>
-			<span class="locked-saved hidden"><?php _e('Your latest changes were saved as a revision.'); ?></span>
+			<span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span>
 			</p>
 			<?php
 			/**
 			 * Fires inside the dialog displayed when a user has lost the post lock.
 			 *
 * @param mixed $post_data Associative array containing the post data or int post ID.
 * @return mixed The autosave revision ID. WP_Error or 0 on error.
 */
 function wp_create_post_autosave( $post_data ) {
 	if ( is_numeric( $post_data ) ) {
-		$post_id = $post_data;
+		$post_id   = $post_data;
 		$post_data = $_POST;
 	} else {
 		$post_id = (int) $post_data['post_ID'];
 	}
 	$post_data = _wp_translate_postdata( true, $post_data );
-	if ( is_wp_error( $post_data ) )
+	if ( is_wp_error( $post_data ) ) {
 		return $post_data;
+	}
+	$post_data = _wp_get_allowed_postdata( $post_data );
 	$post_author = get_current_user_id();
 	// Store one autosave per author. If there is already an autosave, overwrite it.
 	if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
-		$new_autosave = _wp_post_revision_data( $post_data, true );
+		$new_autosave                = _wp_post_revision_data( $post_data, true );
-		$new_autosave['ID'] = $old_autosave->ID;
+		$new_autosave['ID']          = $old_autosave->ID;
 		$new_autosave['post_author'] = $post_author;
 		// If the new autosave has the same content as the post, delete the autosave.
-		$post = get_post( $post_id );
+		$post                  = get_post( $post_id );
 		$autosave_is_different = false;
 		foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
 			if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
 				$autosave_is_different = true;
 				break;
 *
 * @return string URL to redirect to show the preview.
 */
 function post_preview() {
-	$post_ID = (int) $_POST['post_ID'];
+	$post_ID     = (int) $_POST['post_ID'];
 	$_POST['ID'] = $post_ID;
 	if ( ! $post = get_post( $post_ID ) ) {
 		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
 	}
 	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
 		$saved_post_id = edit_post();
 	} else {
 		$is_autosave = true;
-		if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] )
+		if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] ) {
 			$_POST['post_status'] = 'draft';
+		}
 		$saved_post_id = wp_create_post_autosave( $post->ID );
 	}
-	if ( is_wp_error( $saved_post_id ) )
+	if ( is_wp_error( $saved_post_id ) ) {
 		wp_die( $saved_post_id->get_error_message() );
+	}
 	$query_args = array();
 	if ( $is_autosave && $saved_post_id ) {
-		$query_args['preview_id'] = $post->ID;
+		$query_args['preview_id']    = $post->ID;
 		$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
 		if ( isset( $_POST['post_format'] ) ) {
 			$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
 		}
 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
 *               The ID can be the draft post_id or the autosave revision post_id.
 */
 function wp_autosave( $post_data ) {
 	// Back-compat
-	if ( ! defined( 'DOING_AUTOSAVE' ) )
+	if ( ! defined( 'DOING_AUTOSAVE' ) ) {
 		define( 'DOING_AUTOSAVE', true );
+	}
-	$post_id = (int) $post_data['post_id'];
+	$post_id         = (int) $post_data['post_id'];
 	$post_data['ID'] = $post_data['post_ID'] = $post_id;
 	if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
 		return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
 	}
 	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
 		return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) );
 	}
-	if ( 'auto-draft' == $post->post_status )
+	if ( 'auto-draft' == $post->post_status ) {
 		$post_data['post_status'] = 'draft';
+	}
-	if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) )
+	if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) ) {
 		$post_data['post_category'] = explode( ',', $post_data['catslist'] );
+	}
 	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
 		// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
 		return edit_post( wp_slash( $post_data ) );
 	} else {
 /**
 * Redirect to previous page.
 *
 * @param int $post_id Optional. Post ID.
 */
-function redirect_post($post_id = '') {
+function redirect_post( $post_id = '' ) {
-	if ( isset($_POST['save']) || isset($_POST['publish']) ) {
+	if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) {
 		$status = get_post_status( $post_id );
 		if ( isset( $_POST['publish'] ) ) {
 			switch ( $status ) {
 				case 'pending':
 		} else {
 			$message = 'draft' == $status ? 10 : 1;
 		}
 		$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
-	} elseif ( isset($_POST['addmeta']) && $_POST['addmeta'] ) {
+	} elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) {
 		$location = add_query_arg( 'message', 2, wp_get_referer() );
-		$location = explode('#', $location);
+		$location = explode( '#', $location );
 		$location = $location[0] . '#postcustom';
-	} elseif ( isset($_POST['deletemeta']) && $_POST['deletemeta'] ) {
+	} elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) {
 		$location = add_query_arg( 'message', 3, wp_get_referer() );
-		$location = explode('#', $location);
+		$location = explode( '#', $location );
 		$location = $location[0] . '#postcustom';
 	} else {
 		$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
 	}
 	 * @param int    $post_id  The post ID.
 	 */
 	wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
 	exit;
 }
+/**
+* Sanitizes POST values from a checkbox taxonomy metabox.
+*
+* @since 5.1.0
+*
+* @param mixed $terms Raw term data from the 'tax_input' field.
+* @return array
+*/
+function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) {
+	return array_map( 'intval', $terms );
+}
+/**
+* Sanitizes POST values from an input taxonomy metabox.
+*
+* @since 5.1.0
+*
+* @param mixed $terms Raw term data from the 'tax_input' field.
+* @return array
+*/
+function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) {
+	/*
+	 * Assume that a 'tax_input' string is a comma-separated list of term names.
+	 * Some languages may use a character other than a comma as a delimiter, so we standardize on
+	 * commas before parsing the list.
+	 */
+	if ( ! is_array( $terms ) ) {
+		$comma = _x( ',', 'tag delimiter' );
+		if ( ',' !== $comma ) {
+			$terms = str_replace( $comma, ',', $terms );
+		}
+		$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
+	}
+	$clean_terms = array();
+	foreach ( $terms as $term ) {
+		// Empty terms are invalid input.
+		if ( empty( $term ) ) {
+			continue;
+		}
+		$_term = get_terms(
+			$taxonomy,
+			array(
+				'name'       => $term,
+				'fields'     => 'ids',
+				'hide_empty' => false,
+			)
+		);
+		if ( ! empty( $_term ) ) {
+			$clean_terms[] = intval( $_term[0] );
+		} else {
+			// No existing term was found, so pass the string. A new term will be created.
+			$clean_terms[] = $term;
+		}
+	}
+	return $clean_terms;
+}
+/**
+* Return whether the post can be edited in the block editor.
+*
+* @since 5.0.0
+*
+* @param int|WP_Post $post Post ID or WP_Post object.
+* @return bool Whether the post can be edited in the block editor.
+*/
+function use_block_editor_for_post( $post ) {
+	$post = get_post( $post );
+	if ( ! $post ) {
+		return false;
+	}
+	// We're in the meta box loader, so don't use the block editor.
+	if ( isset( $_GET['meta-box-loader'] ) ) {
+		check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' );
+		return false;
+	}
+	// The posts page can't be edited in the block editor.
+	if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) {
+		return false;
+	}
+	$use_block_editor = use_block_editor_for_post_type( $post->post_type );
+	/**
+	 * Filter whether a post is able to be edited in the block editor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param bool    $use_block_editor Whether the post can be edited or not.
+	 * @param WP_Post $post             The post being checked.
+	 */
+	return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post );
+}
+/**
+* Return whether a post type is compatible with the block editor.
+*
+* The block editor depends on the REST API, and if the post type is not shown in the
+* REST API, then it won't work with the block editor.
+*
+* @since 5.0.0
+*
+* @param string $post_type The post type.
+* @return bool Whether the post type can be edited with the block editor.
+*/
+function use_block_editor_for_post_type( $post_type ) {
+	if ( ! post_type_exists( $post_type ) ) {
+		return false;
+	}
+	if ( ! post_type_supports( $post_type, 'editor' ) ) {
+		return false;
+	}
+	$post_type_object = get_post_type_object( $post_type );
+	if ( $post_type_object && ! $post_type_object->show_in_rest ) {
+		return false;
+	}
+	/**
+	 * Filter whether a post is able to be edited in the block editor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param bool   $use_block_editor  Whether the post type can be edited or not. Default true.
+	 * @param string $post_type         The post type being checked.
+	 */
+	return apply_filters( 'use_block_editor_for_post_type', true, $post_type );
+}
+/**
+* Returns all the block categories that will be shown in the block editor.
+*
+* @since 5.0.0
+*
+* @param WP_Post $post Post object.
+* @return array Array of block categories.
+*/
+function get_block_categories( $post ) {
+	$default_categories = array(
+		array(
+			'slug'  => 'common',
+			'title' => __( 'Common Blocks' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'formatting',
+			'title' => __( 'Formatting' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'layout',
+			'title' => __( 'Layout Elements' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'widgets',
+			'title' => __( 'Widgets' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'embed',
+			'title' => __( 'Embeds' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'reusable',
+			'title' => __( 'Reusable Blocks' ),
+			'icon'  => null,
+		),
+	);
+	/**
+	 * Filter the default array of block categories.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array   $default_categories Array of block categories.
+	 * @param WP_Post $post               Post being loaded.
+	 */
+	return apply_filters( 'block_categories', $default_categories, $post );
+}
+/**
+* Prepares server-registered blocks for the block editor.
+*
+* Returns an associative array of registered block data keyed by block name. Data includes properties
+* of a block relevant for client registration.
+*
+* @since 5.0.0
+*
+* @return array An associative array of registered block data.
+*/
+function get_block_editor_server_block_settings() {
+	$block_registry = WP_Block_Type_Registry::get_instance();
+	$blocks         = array();
+	$keys_to_pick   = array( 'title', 'description', 'icon', 'category', 'keywords', 'supports', 'attributes' );
+	foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
+		foreach ( $keys_to_pick as $key ) {
+			if ( ! isset( $block_type->{ $key } ) ) {
+				continue;
+			}
+			if ( ! isset( $blocks[ $block_name ] ) ) {
+				$blocks[ $block_name ] = array();
+			}
+			$blocks[ $block_name ][ $key ] = $block_type->{ $key };
+		}
+	}
+	return $blocks;
+}
+/**
+* Renders the meta boxes forms.
+*
+* @since 5.0.0
+*/
+function the_block_editor_meta_boxes() {
+	global $post, $current_screen, $wp_meta_boxes;
+	// Handle meta box state.
+	$_original_meta_boxes = $wp_meta_boxes;
+	/**
+	 * Fires right before the meta boxes are rendered.
+	 *
+	 * This allows for the filtering of meta box data, that should already be
+	 * present by this point. Do not use as a means of adding meta box data.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $wp_meta_boxes Global meta box state.
+	 */
+	$wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes );
+	$locations     = array( 'side', 'normal', 'advanced' );
+	$priorities    = array( 'high', 'sorted', 'core', 'default', 'low' );
+	// Render meta boxes.
+	?>
+	<form class="metabox-base-form">
+	<?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?>
+	</form>
+	<form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>">
+		<?php wp_nonce_field( 'toggle-custom-fields' ); ?>
+		<input type="hidden" name="action" value="toggle-custom-fields" />
+	</form>
+	<?php foreach ( $locations as $location ) : ?>
+		<form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;">
+			<div id="poststuff" class="sidebar-open">
+				<div id="postbox-container-2" class="postbox-container">
+					<?php
+					do_meta_boxes(
+						$current_screen,
+						$location,
+						$post
+					);
+					?>
+				</div>
+			</div>
+		</form>
+	<?php endforeach; ?>
+	<?php
+	$meta_boxes_per_location = array();
+	foreach ( $locations as $location ) {
+		$meta_boxes_per_location[ $location ] = array();
+		if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) {
+			continue;
+		}
+		foreach ( $priorities as $priority ) {
+			if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) {
+				continue;
+			}
+			$meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ];
+			foreach ( $meta_boxes as $meta_box ) {
+				if ( false == $meta_box || ! $meta_box['title'] ) {
+					continue;
+				}
+				// If a meta box is just here for back compat, don't show it in the block editor.
+				if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
+					continue;
+				}
+				$meta_boxes_per_location[ $location ][] = array(
+					'id'    => $meta_box['id'],
+					'title' => $meta_box['title'],
+				);
+			}
+		}
+	}
+	/**
+	 * Sadly we probably can not add this data directly into editor settings.
+	 *
+	 * Some meta boxes need admin_head to fire for meta box registry.
+	 * admin_head fires after admin_enqueue_scripts, which is where we create our
+	 * editor instance.
+	 */
+	$script = 'window._wpLoadBlockEditor.then( function() {
+		wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' );
+	} );';
+	wp_add_inline_script( 'wp-edit-post', $script );
+	/**
+	 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise,
+	 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point.
+	 */
+	if ( wp_script_is( 'wp-edit-post', 'done' ) ) {
+		printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) );
+	}
+	/**
+	 * If the 'postcustom' meta box is enabled, then we need to perform some
+	 * extra initialization on it.
+	 */
+	$enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true );
+	if ( $enable_custom_fields ) {
+		$script = "( function( $ ) {
+			if ( $('#postcustom').length ) {
+				$( '#the-list' ).wpList( {
+					addBefore: function( s ) {
+						s.data += '&post_id=$post->ID';
+						return s;
+					},
+					addAfter: function() {
+						$('table#list-table').show();
+					}
+				});
+			}
+		} )( jQuery );";
+		wp_enqueue_script( 'wp-lists' );
+		wp_add_inline_script( 'wp-lists', $script );
+	}
+	// Reset meta box data.
+	$wp_meta_boxes = $_original_meta_boxes;
+}
+/**
+* Renders the hidden form required for the meta boxes form.
+*
+* @since 5.0.0
+*
+* @param WP_Post $post Current post object.
+*/
+function the_block_editor_meta_box_post_form_hidden_fields( $post ) {
+	$form_extra = '';
+	if ( 'auto-draft' === $post->post_status ) {
+		$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
+	}
+	$form_action  = 'editpost';
+	$nonce_action = 'update-post_' . $post->ID;
+	$form_extra  .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />";
+	$referer      = wp_get_referer();
+	$current_user = wp_get_current_user();
+	$user_id      = $current_user->ID;
+	wp_nonce_field( $nonce_action );
+	/*
+	 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards
+	 * compatibility, we can capture the output from these actions, and extract the hidden input fields.
+	 */
+	ob_start();
+	/** This filter is documented in wp-admin/edit-form-advanced.php */
+	do_action( 'edit_form_after_title', $post );
+	/** This filter is documented in wp-admin/edit-form-advanced.php */
+	do_action( 'edit_form_advanced', $post );
+	$classic_output = ob_get_clean();
+	$classic_elements = wp_html_split( $classic_output );
+	$hidden_inputs    = '';
+	foreach ( $classic_elements as $element ) {
+		if ( 0 !== strpos( $element, '<input ' ) ) {
+			continue;
+		}
+		if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) {
+			echo $element;
+		}
+	}
+	?>
+	<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" />
+	<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" />
+	<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" />
+	<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" />
+	<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" />
+	<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />
+	<?php
+	if ( 'draft' !== get_post_status( $post ) ) {
+		wp_original_referer_field( true, 'previous' );
+	}
+	echo $form_extra;
+	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+	// Permalink title nonce.
+	wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );
+	/**
+	 * Add hidden input fields to the meta box save form.
+	 *
+	 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to
+	 * the server when meta boxes are saved.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @params WP_Post $post The post that is being edited.
+	 */
+	do_action( 'block_editor_meta_box_hidden_fields', $post );
+}

changeset 9	177826044cd9
parent 7	cf61fcea0001
child 16	a86126ab1dd4