";
return array( 'xhtml', $data );
}
}
if ( ! str_contains( $data, ']]>' ) ) {
return array( 'html', "" );
} else {
return array( 'html', htmlspecialchars( $data ) );
}
}
/**
* Displays Site Icon in atom feeds.
*
* @since 4.3.0
*
* @see get_site_icon_url()
*/
function atom_site_icon() {
$url = get_site_icon_url( 32 );
if ( $url ) {
echo '' . convert_chars( $url ) . "\n";
}
}
/**
* Displays Site Icon in RSS2.
*
* @since 4.3.0
*/
function rss2_site_icon() {
$rss_title = get_wp_title_rss();
if ( empty( $rss_title ) ) {
$rss_title = get_bloginfo_rss( 'name' );
}
$url = get_site_icon_url( 32 );
if ( $url ) {
echo '
' . convert_chars( $url ) . '' . $rss_title . '
' . get_bloginfo_rss( 'url' ) . '
3232
' . "\n";
}
}
/**
* Returns the link for the currently displayed feed.
*
* @since 5.3.0
*
* @return string Correct link for the atom:self element.
*/
function get_self_link() {
$parsed = parse_url( home_url() );
$domain = $parsed['host'];
if ( isset( $parsed['port'] ) ) {
$domain .= ':' . $parsed['port'];
}
return set_url_scheme( 'http://' . $domain . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}
/**
* Displays the link for the currently displayed feed in a XSS safe way.
*
* Generate a correct link for the atom:self element.
*
* @since 2.5.0
*/
function self_link() {
/**
* Filters the current feed URL.
*
* @since 3.6.0
*
* @see set_url_scheme()
* @see wp_unslash()
*
* @param string $feed_link The link for the feed with set URL scheme.
*/
echo esc_url( apply_filters( 'self_link', get_self_link() ) );
}
/**
* Gets the UTC time of the most recently modified post from WP_Query.
*
* If viewing a comment feed, the time of the most recently modified
* comment will be returned.
*
* @since 5.2.0
*
* @global WP_Query $wp_query WordPress Query object.
*
* @param string $format Date format string to return the time in.
* @return string|false The time in requested format, or false on failure.
*/
function get_feed_build_date( $format ) {
global $wp_query;
$datetime = false;
$max_modified_time = false;
$utc = new DateTimeZone( 'UTC' );
if ( ! empty( $wp_query ) && $wp_query->have_posts() ) {
// Extract the post modified times from the posts.
$modified_times = wp_list_pluck( $wp_query->posts, 'post_modified_gmt' );
// If this is a comment feed, check those objects too.
if ( $wp_query->is_comment_feed() && $wp_query->comment_count ) {
// Extract the comment modified times from the comments.
$comment_times = wp_list_pluck( $wp_query->comments, 'comment_date_gmt' );
// Add the comment times to the post times for comparison.
$modified_times = array_merge( $modified_times, $comment_times );
}
// Determine the maximum modified time.
$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', max( $modified_times ), $utc );
}
if ( false === $datetime ) {
// Fall back to last time any post was modified or published.
$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', get_lastpostmodified( 'GMT' ), $utc );
}
if ( false !== $datetime ) {
$max_modified_time = $datetime->format( $format );
}
/**
* Filters the date the last post or comment in the query was modified.
*
* @since 5.2.0
*
* @param string|false $max_modified_time Date the last post or comment was modified in the query, in UTC.
* False on failure.
* @param string $format The date format requested in get_feed_build_date().
*/
return apply_filters( 'get_feed_build_date', $max_modified_time, $format );
}
/**
* Returns the content type for specified feed type.
*
* @since 2.8.0
*
* @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
* @return string Content type for specified feed type.
*/
function feed_content_type( $type = '' ) {
if ( empty( $type ) ) {
$type = get_default_feed();
}
$types = array(
'rss' => 'application/rss+xml',
'rss2' => 'application/rss+xml',
'rss-http' => 'text/xml',
'atom' => 'application/atom+xml',
'rdf' => 'application/rdf+xml',
);
$content_type = ( ! empty( $types[ $type ] ) ) ? $types[ $type ] : 'application/octet-stream';
/**
* Filters the content type for a specific feed type.
*
* @since 2.8.0
*
* @param string $content_type Content type indicating the type of data that a feed contains.
* @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
*/
return apply_filters( 'feed_content_type', $content_type, $type );
}
/**
* Builds SimplePie object based on RSS or Atom feed from URL.
*
* @since 2.8.0
*
* @param string|string[] $url URL of feed to retrieve. If an array of URLs, the feeds are merged
* using SimplePie's multifeed feature.
* See also {@link http://simplepie.org/wiki/faq/typical_multifeed_gotchas}
* @return SimplePie\SimplePie|WP_Error SimplePie object on success or WP_Error object on failure.
*/
function fetch_feed( $url ) {
if ( ! class_exists( 'SimplePie\SimplePie', false ) ) {
require_once ABSPATH . WPINC . '/class-simplepie.php';
}
require_once ABSPATH . WPINC . '/class-wp-feed-cache-transient.php';
require_once ABSPATH . WPINC . '/class-wp-simplepie-file.php';
require_once ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php';
$feed = new SimplePie\SimplePie();
$feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
/*
* We must manually overwrite $feed->sanitize because SimplePie's constructor
* sets it before we have a chance to set the sanitization class.
*/
$feed->sanitize = new WP_SimplePie_Sanitize_KSES();
// Register the cache handler using the recommended method for SimplePie 1.3 or later.
if ( method_exists( 'SimplePie_Cache', 'register' ) ) {
SimplePie_Cache::register( 'wp_transient', 'WP_Feed_Cache_Transient' );
$feed->set_cache_location( 'wp_transient' );
} else {
// Back-compat for SimplePie 1.2.x.
require_once ABSPATH . WPINC . '/class-wp-feed-cache.php';
$feed->set_cache_class( 'WP_Feed_Cache' );
}
$feed->set_file_class( 'WP_SimplePie_File' );
$feed->set_feed_url( $url );
/** This filter is documented in wp-includes/class-wp-feed-cache-transient.php */
$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
/**
* Fires just before processing the SimplePie feed object.
*
* @since 3.0.0
*
* @param SimplePie\SimplePie $feed SimplePie feed object (passed by reference).
* @param string|string[] $url URL of feed or array of URLs of feeds to retrieve.
*/
do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
$feed->init();
$feed->set_output_encoding( get_bloginfo( 'charset' ) );
if ( $feed->error() ) {
return new WP_Error( 'simplepie-error', $feed->error() );
}
return $feed;
}
/**
* Nav Menu API: Walker_Nav_Menu class
*
* @package WordPress
* @subpackage Nav_Menus
* @since 4.6.0
*/
/**
* Core class used to implement an HTML list of nav menu items.
*
* @since 3.0.0
*
* @see Walker
*/
class Walker_Nav_Menu extends Walker {
/**
* What the class handles.
*
* @since 3.0.0
* @var string
*
* @see Walker::$tree_type
*/
public $tree_type = array( 'post_type', 'taxonomy', 'custom' );
/**
* Database fields to use.
*
* @since 3.0.0
* @todo Decouple this.
* @var string[]
*
* @see Walker::$db_fields
*/
public $db_fields = array(
'parent' => 'menu_item_parent',
'id' => 'db_id',
);
/**
* Starts the list before the elements are added.
*
* @since 3.0.0
*
* @see Walker::start_lvl()
*
* @param string $output Used to append additional content (passed by reference).
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function start_lvl( &$output, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
// Default class.
$classes = array( 'sub-menu' );
/**
* Filters the CSS class(es) applied to a menu list element.
*
* @since 4.8.0
*
* @param string[] $classes Array of the CSS classes that are applied to the menu `
` element.
* @param stdClass $args An object of `wp_nav_menu()` arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = implode( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
$atts = array();
$atts['class'] = ! empty( $class_names ) ? $class_names : '';
/**
* Filters the HTML attributes applied to a menu list element.
*
* @since 6.3.0
*
* @param array $atts {
* The HTML attributes applied to the `
` element, empty strings are ignored.
*
* @type string $class HTML CSS class attribute.
* }
* @param stdClass $args An object of `wp_nav_menu()` arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$atts = apply_filters( 'nav_menu_submenu_attributes', $atts, $args, $depth );
$attributes = $this->build_atts( $atts );
$output .= "{$n}{$indent}
{$n}";
}
/**
* Ends the list of after the elements are added.
*
* @since 3.0.0
*
* @see Walker::end_lvl()
*
* @param string $output Used to append additional content (passed by reference).
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function end_lvl( &$output, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
$output .= "$indent
{$n}";
}
/**
* Starts the element output.
*
* @since 3.0.0
* @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
* @since 5.9.0 Renamed `$item` to `$data_object` and `$id` to `$current_object_id`
* to match parent class for PHP 8 named parameter support.
* @since 6.7.0 Removed redundant title attributes.
*
* @see Walker::start_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $data_object Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $current_object_id Optional. ID of the current menu item. Default 0.
*/
public function start_el( &$output, $data_object, $depth = 0, $args = null, $current_object_id = 0 ) {
// Restores the more descriptive, specific name for use within this method.
$menu_item = $data_object;
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';
$classes = empty( $menu_item->classes ) ? array() : (array) $menu_item->classes;
$classes[] = 'menu-item-' . $menu_item->ID;
/**
* Filters the arguments for a single nav menu item.
*
* @since 4.4.0
*
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param WP_Post $menu_item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
*/
$args = apply_filters( 'nav_menu_item_args', $args, $menu_item, $depth );
/**
* Filters the CSS classes applied to a menu item's list item element.
*
* @since 3.0.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string[] $classes Array of the CSS classes that are applied to the menu item's `
` element.
* @param WP_Post $menu_item The current menu item object.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $menu_item, $args, $depth ) );
/**
* Filters the ID attribute applied to a menu item's list item element.
*
* @since 3.0.1
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string $menu_item_id The ID attribute applied to the menu item's `
` element.
* @param WP_Post $menu_item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $menu_item->ID, $menu_item, $args, $depth );
$li_atts = array();
$li_atts['id'] = ! empty( $id ) ? $id : '';
$li_atts['class'] = ! empty( $class_names ) ? $class_names : '';
/**
* Filters the HTML attributes applied to a menu's list item element.
*
* @since 6.3.0
*
* @param array $li_atts {
* The HTML attributes applied to the menu item's `
` element, empty strings are ignored.
*
* @type string $class HTML CSS class attribute.
* @type string $id HTML id attribute.
* }
* @param WP_Post $menu_item The current menu item object.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$li_atts = apply_filters( 'nav_menu_item_attributes', $li_atts, $menu_item, $args, $depth );
$li_attributes = $this->build_atts( $li_atts );
$output .= $indent . '
` for a menu item.
*
* @since 3.0.0
*
* @param string $item_output The menu item's starting HTML output.
* @param WP_Post $menu_item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $menu_item, $depth, $args );
}
/**
* Ends the element output, if needed.
*
* @since 3.0.0
* @since 5.9.0 Renamed `$item` to `$data_object` to match parent class for PHP 8 named parameter support.
*
* @see Walker::end_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $data_object Menu item data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function end_el( &$output, $data_object, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$output .= "
{$n}";
}
/**
* Builds a string of HTML attributes from an array of key/value pairs.
* Empty values are ignored.
*
* @since 6.3.0
*
* @param array $atts Optional. An array of HTML attribute key/value pairs. Default empty array.
* @return string A string of HTML attributes.
*/
protected function build_atts( $atts = array() ) {
$attribute_string = '';
foreach ( $atts as $attr => $value ) {
if ( false !== $value && '' !== $value && is_scalar( $value ) ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attribute_string .= ' ' . $attr . '="' . $value . '"';
}
}
return $attribute_string;
}
}
/**
* Navigation Menu functions
*
* @package WordPress
* @subpackage Nav_Menus
* @since 3.0.0
*/
/**
* Returns a navigation menu object.
*
* @since 3.0.0
*
* @param int|string|WP_Term $menu Menu ID, slug, name, or object.
* @return WP_Term|false Menu object on success, false if $menu param isn't supplied or term does not exist.
*/
function wp_get_nav_menu_object( $menu ) {
$menu_obj = false;
if ( is_object( $menu ) ) {
$menu_obj = $menu;
}
if ( $menu && ! $menu_obj ) {
$menu_obj = get_term( $menu, 'nav_menu' );
if ( ! $menu_obj ) {
$menu_obj = get_term_by( 'slug', $menu, 'nav_menu' );
}
if ( ! $menu_obj ) {
$menu_obj = get_term_by( 'name', $menu, 'nav_menu' );
}
}
if ( ! $menu_obj || is_wp_error( $menu_obj ) ) {
$menu_obj = false;
}
/**
* Filters the nav_menu term retrieved for wp_get_nav_menu_object().
*
* @since 4.3.0
*
* @param WP_Term|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found.
* @param int|string|WP_Term $menu The menu ID, slug, name, or object passed to wp_get_nav_menu_object().
*/
return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu );
}
/**
* Determines whether the given ID is a navigation menu.
*
* Returns true if it is; false otherwise.
*
* @since 3.0.0
*
* @param int|string|WP_Term $menu Menu ID, slug, name, or object of menu to check.
* @return bool Whether the menu exists.
*/
function is_nav_menu( $menu ) {
if ( ! $menu ) {
return false;
}
$menu_obj = wp_get_nav_menu_object( $menu );
if (
$menu_obj &&
! is_wp_error( $menu_obj ) &&
! empty( $menu_obj->taxonomy ) &&
'nav_menu' === $menu_obj->taxonomy
) {
return true;
}
return false;
}
/**
* Registers navigation menu locations for a theme.
*
* @since 3.0.0
*
* @global array $_wp_registered_nav_menus
*
* @param string[] $locations Associative array of menu location identifiers (like a slug) and descriptive text.
*/
function register_nav_menus( $locations = array() ) {
global $_wp_registered_nav_menus;
add_theme_support( 'menus' );
foreach ( $locations as $key => $value ) {
if ( is_int( $key ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Nav menu locations must be strings.' ), '5.3.0' );
break;
}
}
$_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations );
}
/**
* Unregisters a navigation menu location for a theme.
*
* @since 3.1.0
*
* @global array $_wp_registered_nav_menus
*
* @param string $location The menu location identifier.
* @return bool True on success, false on failure.
*/
function unregister_nav_menu( $location ) {
global $_wp_registered_nav_menus;
if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[ $location ] ) ) {
unset( $_wp_registered_nav_menus[ $location ] );
if ( empty( $_wp_registered_nav_menus ) ) {
_remove_theme_support( 'menus' );
}
return true;
}
return false;
}
/**
* Registers a navigation menu location for a theme.
*
* @since 3.0.0
*
* @param string $location Menu location identifier, like a slug.
* @param string $description Menu location descriptive text.
*/
function register_nav_menu( $location, $description ) {
register_nav_menus( array( $location => $description ) );
}
/**
* Retrieves all registered navigation menu locations in a theme.
*
* @since 3.0.0
*
* @global array $_wp_registered_nav_menus
*
* @return string[] Associative array of registered navigation menu descriptions keyed
* by their location. If none are registered, an empty array.
*/
function get_registered_nav_menus() {
global $_wp_registered_nav_menus;
if ( isset( $_wp_registered_nav_menus ) ) {
return $_wp_registered_nav_menus;
}
return array();
}
/**
* Retrieves all registered navigation menu locations and the menus assigned to them.
*
* @since 3.0.0
*
* @return int[] Associative array of registered navigation menu IDs keyed by their
* location name. If none are registered, an empty array.
*/
function get_nav_menu_locations() {
$locations = get_theme_mod( 'nav_menu_locations' );
return ( is_array( $locations ) ) ? $locations : array();
}
/**
* Determines whether a registered nav menu location has a menu assigned to it.
*
* @since 3.0.0
*
* @param string $location Menu location identifier.
* @return bool Whether location has a menu.
*/
function has_nav_menu( $location ) {
$has_nav_menu = false;
$registered_nav_menus = get_registered_nav_menus();
if ( isset( $registered_nav_menus[ $location ] ) ) {
$locations = get_nav_menu_locations();
$has_nav_menu = ! empty( $locations[ $location ] );
}
/**
* Filters whether a nav menu is assigned to the specified location.
*
* @since 4.3.0
*
* @param bool $has_nav_menu Whether there is a menu assigned to a location.
* @param string $location Menu location.
*/
return apply_filters( 'has_nav_menu', $has_nav_menu, $location );
}
/**
* Returns the name of a navigation menu.
*
* @since 4.9.0
*
* @param string $location Menu location identifier.
* @return string Menu name.
*/
function wp_get_nav_menu_name( $location ) {
$menu_name = '';
$locations = get_nav_menu_locations();
if ( isset( $locations[ $location ] ) ) {
$menu = wp_get_nav_menu_object( $locations[ $location ] );
if ( $menu && $menu->name ) {
$menu_name = $menu->name;
}
}
/**
* Filters the navigation menu name being returned.
*
* @since 4.9.0
*
* @param string $menu_name Menu name.
* @param string $location Menu location identifier.
*/
return apply_filters( 'wp_get_nav_menu_name', $menu_name, $location );
}
/**
* Determines whether the given ID is a nav menu item.
*
* @since 3.0.0
*
* @param int $menu_item_id The ID of the potential nav menu item.
* @return bool Whether the given ID is that of a nav menu item.
*/
function is_nav_menu_item( $menu_item_id = 0 ) {
return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' === get_post_type( $menu_item_id ) ) );
}
/**
* Creates a navigation menu.
*
* Note that `$menu_name` is expected to be pre-slashed.
*
* @since 3.0.0
*
* @param string $menu_name Menu name.
* @return int|WP_Error Menu ID on success, WP_Error object on failure.
*/
function wp_create_nav_menu( $menu_name ) {
// expected_slashed ($menu_name)
return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) );
}
/**
* Deletes a navigation menu.
*
* @since 3.0.0
*
* @param int|string|WP_Term $menu Menu ID, slug, name, or object.
* @return bool|WP_Error True on success, false or WP_Error object on failure.
*/
function wp_delete_nav_menu( $menu ) {
$menu = wp_get_nav_menu_object( $menu );
if ( ! $menu ) {
return false;
}
$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' );
if ( ! empty( $menu_objects ) ) {
foreach ( $menu_objects as $item ) {
wp_delete_post( $item );
}
}
$result = wp_delete_term( $menu->term_id, 'nav_menu' );
// Remove this menu from any locations.
$locations = get_nav_menu_locations();
foreach ( $locations as $location => $menu_id ) {
if ( $menu_id === $menu->term_id ) {
$locations[ $location ] = 0;
}
}
set_theme_mod( 'nav_menu_locations', $locations );
if ( $result && ! is_wp_error( $result ) ) {
/**
* Fires after a navigation menu has been successfully deleted.
*
* @since 3.0.0
*
* @param int $term_id ID of the deleted menu.
*/
do_action( 'wp_delete_nav_menu', $menu->term_id );
}
return $result;
}
/**
* Saves the properties of a menu or create a new menu with those properties.
*
* Note that `$menu_data` is expected to be pre-slashed.
*
* @since 3.0.0
*
* @param int $menu_id The ID of the menu or "0" to create a new menu.
* @param array $menu_data The array of menu data.
* @return int|WP_Error Menu ID on success, WP_Error object on failure.
*/
function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) {
// expected_slashed ($menu_data)
$menu_id = (int) $menu_id;
$_menu = wp_get_nav_menu_object( $menu_id );
$args = array(
'description' => ( isset( $menu_data['description'] ) ? $menu_data['description'] : '' ),
'name' => ( isset( $menu_data['menu-name'] ) ? $menu_data['menu-name'] : '' ),
'parent' => ( isset( $menu_data['parent'] ) ? (int) $menu_data['parent'] : 0 ),
'slug' => null,
);
// Double-check that we're not going to have one menu take the name of another.
$_possible_existing = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
if (
$_possible_existing &&
! is_wp_error( $_possible_existing ) &&
isset( $_possible_existing->term_id ) &&
$_possible_existing->term_id !== $menu_id
) {
return new WP_Error(
'menu_exists',
sprintf(
/* translators: %s: Menu name. */
__( 'The menu name %s conflicts with another menu name. Please try another.' ),
'' . esc_html( $menu_data['menu-name'] ) . ''
)
);
}
// Menu doesn't already exist, so create a new menu.
if ( ! $_menu || is_wp_error( $_menu ) ) {
$menu_exists = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
if ( $menu_exists ) {
return new WP_Error(
'menu_exists',
sprintf(
/* translators: %s: Menu name. */
__( 'The menu name %s conflicts with another menu name. Please try another.' ),
'' . esc_html( $menu_data['menu-name'] ) . ''
)
);
}
$_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args );
if ( is_wp_error( $_menu ) ) {
return $_menu;
}
/**
* Fires after a navigation menu is successfully created.
*
* @since 3.0.0
*
* @param int $term_id ID of the new menu.
* @param array $menu_data An array of menu data.
*/
do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data );
return (int) $_menu['term_id'];
}
if ( ! $_menu || ! isset( $_menu->term_id ) ) {
return 0;
}
$menu_id = (int) $_menu->term_id;
$update_response = wp_update_term( $menu_id, 'nav_menu', $args );
if ( is_wp_error( $update_response ) ) {
return $update_response;
}
$menu_id = (int) $update_response['term_id'];
/**
* Fires after a navigation menu has been successfully updated.
*
* @since 3.0.0
*
* @param int $menu_id ID of the updated menu.
* @param array $menu_data An array of menu data.
*/
do_action( 'wp_update_nav_menu', $menu_id, $menu_data );
return $menu_id;
}
/**
* Saves the properties of a menu item or create a new one.
*
* The menu-item-title, menu-item-description and menu-item-attr-title are expected
* to be pre-slashed since they are passed directly to APIs that expect slashed data.
*
* @since 3.0.0
* @since 5.9.0 Added the `$fire_after_hooks` parameter.
*
* @param int $menu_id The ID of the menu. If 0, makes the menu item a draft orphan.
* @param int $menu_item_db_id The ID of the menu item. If 0, creates a new menu item.
* @param array $menu_item_data The menu item's data.
* @param bool $fire_after_hooks Whether to fire the after insert hooks. Default true.
* @return int|WP_Error The menu item's database ID or WP_Error object on failure.
*/
function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item_data = array(), $fire_after_hooks = true ) {
$menu_id = (int) $menu_id;
$menu_item_db_id = (int) $menu_item_db_id;
// Make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects.
if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) ) {
return new WP_Error( 'update_nav_menu_item_failed', __( 'The given object ID is not that of a menu item.' ) );
}
$menu = wp_get_nav_menu_object( $menu_id );
if ( ! $menu && 0 !== $menu_id ) {
return new WP_Error( 'invalid_menu_id', __( 'Invalid menu ID.' ) );
}
if ( is_wp_error( $menu ) ) {
return $menu;
}
$defaults = array(
'menu-item-db-id' => $menu_item_db_id,
'menu-item-object-id' => 0,
'menu-item-object' => '',
'menu-item-parent-id' => 0,
'menu-item-position' => 0,
'menu-item-type' => 'custom',
'menu-item-title' => '',
'menu-item-url' => '',
'menu-item-description' => '',
'menu-item-attr-title' => '',
'menu-item-target' => '',
'menu-item-classes' => '',
'menu-item-xfn' => '',
'menu-item-status' => '',
'menu-item-post-date' => '',
'menu-item-post-date-gmt' => '',
);
$args = wp_parse_args( $menu_item_data, $defaults );
if ( 0 === $menu_id ) {
$args['menu-item-position'] = 1;
} elseif ( 0 === (int) $args['menu-item-position'] ) {
$menu_items = array();
if ( 0 !== $menu_id ) {
$menu_items = (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
}
$last_item = array_pop( $menu_items );
if ( $last_item && isset( $last_item->menu_order ) ) {
$args['menu-item-position'] = 1 + $last_item->menu_order;
} else {
$args['menu-item-position'] = count( $menu_items );
}
}
$original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0;
if ( 'custom' === $args['menu-item-type'] ) {
// If custom menu item, trim the URL.
$args['menu-item-url'] = trim( $args['menu-item-url'] );
} else {
/*
* If non-custom menu item, then:
* - use the original object's URL.
* - blank default title to sync with the original object's title.
*/
$args['menu-item-url'] = '';
$original_title = '';
if ( 'taxonomy' === $args['menu-item-type'] ) {
$original_object = get_term( $args['menu-item-object-id'], $args['menu-item-object'] );
if ( $original_object instanceof WP_Term ) {
$original_parent = get_term_field( 'parent', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
$original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
}
} elseif ( 'post_type' === $args['menu-item-type'] ) {
$original_object = get_post( $args['menu-item-object-id'] );
if ( $original_object instanceof WP_Post ) {
$original_parent = (int) $original_object->post_parent;
$original_title = $original_object->post_title;
}
} elseif ( 'post_type_archive' === $args['menu-item-type'] ) {
$original_object = get_post_type_object( $args['menu-item-object'] );
if ( $original_object instanceof WP_Post_Type ) {
$original_title = $original_object->labels->archives;
}
}
if ( wp_unslash( $args['menu-item-title'] ) === wp_specialchars_decode( $original_title ) ) {
$args['menu-item-title'] = '';
}
// Hack to get wp to create a post object when too many properties are empty.
if ( '' === $args['menu-item-title'] && '' === $args['menu-item-description'] ) {
$args['menu-item-description'] = ' ';
}
}
// Populate the menu item object.
$post = array(
'menu_order' => $args['menu-item-position'],
'ping_status' => 0,
'post_content' => $args['menu-item-description'],
'post_excerpt' => $args['menu-item-attr-title'],
'post_parent' => $original_parent,
'post_title' => $args['menu-item-title'],
'post_type' => 'nav_menu_item',
);
$post_date = wp_resolve_post_date( $args['menu-item-post-date'], $args['menu-item-post-date-gmt'] );
if ( $post_date ) {
$post['post_date'] = $post_date;
}
$update = 0 !== $menu_item_db_id;
// New menu item. Default is draft status.
if ( ! $update ) {
$post['ID'] = 0;
$post['post_status'] = 'publish' === $args['menu-item-status'] ? 'publish' : 'draft';
$menu_item_db_id = wp_insert_post( $post, true, $fire_after_hooks );
if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) ) {
return $menu_item_db_id;
}
/**
* Fires immediately after a new navigation menu item has been added.
*
* @since 4.4.0
*
* @see wp_update_nav_menu_item()
*
* @param int $menu_id ID of the updated menu.
* @param int $menu_item_db_id ID of the new menu item.
* @param array $args An array of arguments used to update/add the menu item.
*/
do_action( 'wp_add_nav_menu_item', $menu_id, $menu_item_db_id, $args );
}
/*
* Associate the menu item with the menu term.
* Only set the menu term if it isn't set to avoid unnecessary wp_get_object_terms().
*/
if ( $menu_id && ( ! $update || ! is_object_in_term( $menu_item_db_id, 'nav_menu', (int) $menu->term_id ) ) ) {
$update_terms = wp_set_object_terms( $menu_item_db_id, array( $menu->term_id ), 'nav_menu' );
if ( is_wp_error( $update_terms ) ) {
return $update_terms;
}
}
if ( 'custom' === $args['menu-item-type'] ) {
$args['menu-item-object-id'] = $menu_item_db_id;
$args['menu-item-object'] = 'custom';
}
$menu_item_db_id = (int) $menu_item_db_id;
// Reset invalid `menu_item_parent`.
if ( (int) $args['menu-item-parent-id'] === $menu_item_db_id ) {
$args['menu-item-parent-id'] = 0;
}
update_post_meta( $menu_item_db_id, '_menu_item_type', sanitize_key( $args['menu-item-type'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', (string) ( (int) $args['menu-item-parent-id'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_object_id', (string) ( (int) $args['menu-item-object-id'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_object', sanitize_key( $args['menu-item-object'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_target', sanitize_key( $args['menu-item-target'] ) );
$args['menu-item-classes'] = array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-classes'] ) );
$args['menu-item-xfn'] = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-xfn'] ) ) );
update_post_meta( $menu_item_db_id, '_menu_item_classes', $args['menu-item-classes'] );
update_post_meta( $menu_item_db_id, '_menu_item_xfn', $args['menu-item-xfn'] );
update_post_meta( $menu_item_db_id, '_menu_item_url', sanitize_url( $args['menu-item-url'] ) );
if ( 0 === $menu_id ) {
update_post_meta( $menu_item_db_id, '_menu_item_orphaned', (string) time() );
} elseif ( get_post_meta( $menu_item_db_id, '_menu_item_orphaned' ) ) {
delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' );
}
// Update existing menu item. Default is publish status.
if ( $update ) {
$post['ID'] = $menu_item_db_id;
$post['post_status'] = ( 'draft' === $args['menu-item-status'] ) ? 'draft' : 'publish';
$update_post = wp_update_post( $post, true );
if ( is_wp_error( $update_post ) ) {
return $update_post;
}
}
/**
* Fires after a navigation menu item has been updated.
*
* @since 3.0.0
*
* @see wp_update_nav_menu_item()
*
* @param int $menu_id ID of the updated menu.
* @param int $menu_item_db_id ID of the updated menu item.
* @param array $args An array of arguments used to update a menu item.
*/
do_action( 'wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args );
return $menu_item_db_id;
}
/**
* Returns all navigation menu objects.
*
* @since 3.0.0
* @since 4.1.0 Default value of the 'orderby' argument was changed from 'none'
* to 'name'.
*
* @param array $args Optional. Array of arguments passed on to get_terms().
* Default empty array.
* @return WP_Term[] An array of menu objects.
*/
function wp_get_nav_menus( $args = array() ) {
$defaults = array(
'taxonomy' => 'nav_menu',
'hide_empty' => false,
'orderby' => 'name',
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters the navigation menu objects being returned.
*
* @since 3.0.0
*
* @see get_terms()
*
* @param WP_Term[] $menus An array of menu objects.
* @param array $args An array of arguments used to retrieve menu objects.
*/
return apply_filters( 'wp_get_nav_menus', get_terms( $args ), $args );
}
/**
* Determines whether a menu item is valid.
*
* @link https://core.trac.wordpress.org/ticket/13958
*
* @since 3.2.0
* @access private
*
* @param object $item The menu item to check.
* @return bool False if invalid, otherwise true.
*/
function _is_valid_nav_menu_item( $item ) {
return empty( $item->_invalid );
}
/**
* Retrieves all menu items of a navigation menu.
*
* Note: Most arguments passed to the `$args` parameter – save for 'output_key' – are
* specifically for retrieving nav_menu_item posts from get_posts() and may only
* indirectly affect the ultimate ordering and content of the resulting nav menu
* items that get returned from this function.
*
* @since 3.0.0
*
* @param int|string|WP_Term $menu Menu ID, slug, name, or object.
* @param array $args {
* Optional. Arguments to pass to get_posts().
*
* @type string $order How to order nav menu items as queried with get_posts().
* Will be ignored if 'output' is ARRAY_A. Default 'ASC'.
* @type string $orderby Field to order menu items by as retrieved from get_posts().
* Supply an orderby field via 'output_key' to affect the
* output order of nav menu items. Default 'menu_order'.
* @type string $post_type Menu items post type. Default 'nav_menu_item'.
* @type string $post_status Menu items post status. Default 'publish'.
* @type string $output How to order outputted menu items. Default ARRAY_A.
* @type string $output_key Key to use for ordering the actual menu items that get
* returned. Note that that is not a get_posts() argument
* and will only affect output of menu items processed in
* this function. Default 'menu_order'.
* @type bool $nopaging Whether to retrieve all menu items (true) or paginate
* (false). Default true.
* @type bool $update_menu_item_cache Whether to update the menu item cache. Default true.
* }
* @return array|false Array of menu items, otherwise false.
*/
function wp_get_nav_menu_items( $menu, $args = array() ) {
$menu = wp_get_nav_menu_object( $menu );
if ( ! $menu ) {
return false;
}
if ( ! taxonomy_exists( 'nav_menu' ) ) {
return false;
}
$defaults = array(
'order' => 'ASC',
'orderby' => 'menu_order',
'post_type' => 'nav_menu_item',
'post_status' => 'publish',
'output' => ARRAY_A,
'output_key' => 'menu_order',
'nopaging' => true,
'update_menu_item_cache' => true,
'tax_query' => array(
array(
'taxonomy' => 'nav_menu',
'field' => 'term_taxonomy_id',
'terms' => $menu->term_taxonomy_id,
),
),
);
$args = wp_parse_args( $args, $defaults );
if ( $menu->count > 0 ) {
$items = get_posts( $args );
} else {
$items = array();
}
$items = array_map( 'wp_setup_nav_menu_item', $items );
if ( ! is_admin() ) { // Remove invalid items only on front end.
$items = array_filter( $items, '_is_valid_nav_menu_item' );
}
if ( ARRAY_A === $args['output'] ) {
$items = wp_list_sort(
$items,
array(
$args['output_key'] => 'ASC',
)
);
$i = 1;
foreach ( $items as $k => $item ) {
$items[ $k ]->{$args['output_key']} = $i++;
}
}
/**
* Filters the navigation menu items being returned.
*
* @since 3.0.0
*
* @param array $items An array of menu item post objects.
* @param object $menu The menu object.
* @param array $args An array of arguments used to retrieve menu item objects.
*/
return apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args );
}
/**
* Updates post and term caches for all linked objects for a list of menu items.
*
* @since 6.1.0
*
* @param WP_Post[] $menu_items Array of menu item post objects.
*/
function update_menu_item_cache( $menu_items ) {
$post_ids = array();
$term_ids = array();
foreach ( $menu_items as $menu_item ) {
if ( 'nav_menu_item' !== $menu_item->post_type ) {
continue;
}
$object_id = get_post_meta( $menu_item->ID, '_menu_item_object_id', true );
$type = get_post_meta( $menu_item->ID, '_menu_item_type', true );
if ( 'post_type' === $type ) {
$post_ids[] = (int) $object_id;
} elseif ( 'taxonomy' === $type ) {
$term_ids[] = (int) $object_id;
}
}
if ( ! empty( $post_ids ) ) {
_prime_post_caches( $post_ids, false );
}
if ( ! empty( $term_ids ) ) {
_prime_term_caches( $term_ids );
}
}
/**
* Decorates a menu item object with the shared navigation menu item properties.
*
* Properties:
* - ID: The term_id if the menu item represents a taxonomy term.
* - attr_title: The title attribute of the link element for this menu item.
* - classes: The array of class attribute values for the link element of this menu item.
* - db_id: The DB ID of this item as a nav_menu_item object, if it exists (0 if it doesn't exist).
* - description: The description of this menu item.
* - menu_item_parent: The DB ID of the nav_menu_item that is this item's menu parent, if any. 0 otherwise.
* - object: The type of object originally represented, such as 'category', 'post', or 'attachment'.
* - object_id: The DB ID of the original object this menu item represents, e.g. ID for posts and term_id for categories.
* - post_parent: The DB ID of the original object's parent object, if any (0 otherwise).
* - post_title: A "no title" label if menu item represents a post that lacks a title.
* - target: The target attribute of the link element for this menu item.
* - title: The title of this menu item.
* - type: The family of objects originally represented, such as 'post_type' or 'taxonomy'.
* - type_label: The singular label used to describe this type of menu item.
* - url: The URL to which this menu item points.
* - xfn: The XFN relationship expressed in the link of this menu item.
* - _invalid: Whether the menu item represents an object that no longer exists.
*
* @since 3.0.0
*
* @param object $menu_item The menu item to modify.
* @return object The menu item with standard menu item properties.
*/
function wp_setup_nav_menu_item( $menu_item ) {
/**
* Filters whether to short-circuit the wp_setup_nav_menu_item() output.
*
* Returning a non-null value from the filter will short-circuit wp_setup_nav_menu_item(),
* returning that value instead.
*
* @since 6.3.0
*
* @param object|null $modified_menu_item Modified menu item. Default null.
* @param object $menu_item The menu item to modify.
*/
$pre_menu_item = apply_filters( 'pre_wp_setup_nav_menu_item', null, $menu_item );
if ( null !== $pre_menu_item ) {
return $pre_menu_item;
}
if ( isset( $menu_item->post_type ) ) {
if ( 'nav_menu_item' === $menu_item->post_type ) {
$menu_item->db_id = (int) $menu_item->ID;
$menu_item->menu_item_parent = ! isset( $menu_item->menu_item_parent ) ? get_post_meta( $menu_item->ID, '_menu_item_menu_item_parent', true ) : $menu_item->menu_item_parent;
$menu_item->object_id = ! isset( $menu_item->object_id ) ? get_post_meta( $menu_item->ID, '_menu_item_object_id', true ) : $menu_item->object_id;
$menu_item->object = ! isset( $menu_item->object ) ? get_post_meta( $menu_item->ID, '_menu_item_object', true ) : $menu_item->object;
$menu_item->type = ! isset( $menu_item->type ) ? get_post_meta( $menu_item->ID, '_menu_item_type', true ) : $menu_item->type;
if ( 'post_type' === $menu_item->type ) {
$object = get_post_type_object( $menu_item->object );
if ( $object ) {
$menu_item->type_label = $object->labels->singular_name;
// Denote post states for special pages (only in the admin).
if ( function_exists( 'get_post_states' ) ) {
$menu_post = get_post( $menu_item->object_id );
$post_states = get_post_states( $menu_post );
if ( $post_states ) {
$menu_item->type_label = wp_strip_all_tags( implode( ', ', $post_states ) );
}
}
} else {
$menu_item->type_label = $menu_item->object;
$menu_item->_invalid = true;
}
if ( 'trash' === get_post_status( $menu_item->object_id ) ) {
$menu_item->_invalid = true;
}
$original_object = get_post( $menu_item->object_id );
if ( $original_object ) {
$menu_item->url = get_permalink( $original_object->ID );
/** This filter is documented in wp-includes/post-template.php */
$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
} else {
$menu_item->url = '';
$original_title = '';
$menu_item->_invalid = true;
}
if ( '' === $original_title ) {
/* translators: %d: ID of a post. */
$original_title = sprintf( __( '#%d (no title)' ), $menu_item->object_id );
}
$menu_item->title = ( '' === $menu_item->post_title ) ? $original_title : $menu_item->post_title;
} elseif ( 'post_type_archive' === $menu_item->type ) {
$object = get_post_type_object( $menu_item->object );
if ( $object ) {
$menu_item->title = ( '' === $menu_item->post_title ) ? $object->labels->archives : $menu_item->post_title;
$post_type_description = $object->description;
} else {
$post_type_description = '';
$menu_item->_invalid = true;
}
$menu_item->type_label = __( 'Post Type Archive' );
$post_content = wp_trim_words( $menu_item->post_content, 200 );
$post_type_description = ( '' === $post_content ) ? $post_type_description : $post_content;
$menu_item->url = get_post_type_archive_link( $menu_item->object );
} elseif ( 'taxonomy' === $menu_item->type ) {
$object = get_taxonomy( $menu_item->object );
if ( $object ) {
$menu_item->type_label = $object->labels->singular_name;
} else {
$menu_item->type_label = $menu_item->object;
$menu_item->_invalid = true;
}
$original_object = get_term( (int) $menu_item->object_id, $menu_item->object );
if ( $original_object && ! is_wp_error( $original_object ) ) {
$menu_item->url = get_term_link( (int) $menu_item->object_id, $menu_item->object );
$original_title = $original_object->name;
} else {
$menu_item->url = '';
$original_title = '';
$menu_item->_invalid = true;
}
if ( '' === $original_title ) {
/* translators: %d: ID of a term. */
$original_title = sprintf( __( '#%d (no title)' ), $menu_item->object_id );
}
$menu_item->title = ( '' === $menu_item->post_title ) ? $original_title : $menu_item->post_title;
} else {
$menu_item->type_label = __( 'Custom Link' );
$menu_item->title = $menu_item->post_title;
$menu_item->url = ! isset( $menu_item->url ) ? get_post_meta( $menu_item->ID, '_menu_item_url', true ) : $menu_item->url;
}
$menu_item->target = ! isset( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target;
/**
* Filters a navigation menu item's title attribute.
*
* @since 3.0.0
*
* @param string $item_title The menu item title attribute.
*/
$menu_item->attr_title = ! isset( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title;
if ( ! isset( $menu_item->description ) ) {
/**
* Filters a navigation menu item's description.
*
* @since 3.0.0
*
* @param string $description The menu item description.
*/
$menu_item->description = apply_filters( 'nav_menu_description', wp_trim_words( $menu_item->post_content, 200 ) );
}
$menu_item->classes = ! isset( $menu_item->classes ) ? (array) get_post_meta( $menu_item->ID, '_menu_item_classes', true ) : $menu_item->classes;
$menu_item->xfn = ! isset( $menu_item->xfn ) ? get_post_meta( $menu_item->ID, '_menu_item_xfn', true ) : $menu_item->xfn;
} else {
$menu_item->db_id = 0;
$menu_item->menu_item_parent = 0;
$menu_item->object_id = (int) $menu_item->ID;
$menu_item->type = 'post_type';
$object = get_post_type_object( $menu_item->post_type );
$menu_item->object = $object->name;
$menu_item->type_label = $object->labels->singular_name;
if ( '' === $menu_item->post_title ) {
/* translators: %d: ID of a post. */
$menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID );
}
$menu_item->title = $menu_item->post_title;
$menu_item->url = get_permalink( $menu_item->ID );
$menu_item->target = '';
/** This filter is documented in wp-includes/nav-menu.php */
$menu_item->attr_title = apply_filters( 'nav_menu_attr_title', '' );
/** This filter is documented in wp-includes/nav-menu.php */
$menu_item->description = apply_filters( 'nav_menu_description', '' );
$menu_item->classes = array();
$menu_item->xfn = '';
}
} elseif ( isset( $menu_item->taxonomy ) ) {
$menu_item->ID = $menu_item->term_id;
$menu_item->db_id = 0;
$menu_item->menu_item_parent = 0;
$menu_item->object_id = (int) $menu_item->term_id;
$menu_item->post_parent = (int) $menu_item->parent;
$menu_item->type = 'taxonomy';
$object = get_taxonomy( $menu_item->taxonomy );
$menu_item->object = $object->name;
$menu_item->type_label = $object->labels->singular_name;
$menu_item->title = $menu_item->name;
$menu_item->url = get_term_link( $menu_item, $menu_item->taxonomy );
$menu_item->target = '';
$menu_item->attr_title = '';
$menu_item->description = get_term_field( 'description', $menu_item->term_id, $menu_item->taxonomy );
$menu_item->classes = array();
$menu_item->xfn = '';
}
/**
* Filters a navigation menu item object.
*
* @since 3.0.0
*
* @param object $menu_item The menu item object.
*/
return apply_filters( 'wp_setup_nav_menu_item', $menu_item );
}
/**
* Returns the menu items associated with a particular object.
*
* @since 3.0.0
*
* @param int $object_id Optional. The ID of the original object. Default 0.
* @param string $object_type Optional. The type of object, such as 'post_type' or 'taxonomy'.
* Default 'post_type'.
* @param string $taxonomy Optional. If $object_type is 'taxonomy', $taxonomy is the name
* of the tax that $object_id belongs to. Default empty.
* @return int[] The array of menu item IDs; empty array if none.
*/
function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type', $taxonomy = '' ) {
$object_id = (int) $object_id;
$menu_item_ids = array();
$query = new WP_Query();
$menu_items = $query->query(
array(
'meta_key' => '_menu_item_object_id',
'meta_value' => $object_id,
'post_status' => 'any',
'post_type' => 'nav_menu_item',
'posts_per_page' => -1,
)
);
foreach ( (array) $menu_items as $menu_item ) {
if ( isset( $menu_item->ID ) && is_nav_menu_item( $menu_item->ID ) ) {
$menu_item_type = get_post_meta( $menu_item->ID, '_menu_item_type', true );
if (
'post_type' === $object_type &&
'post_type' === $menu_item_type
) {
$menu_item_ids[] = (int) $menu_item->ID;
} elseif (
'taxonomy' === $object_type &&
'taxonomy' === $menu_item_type &&
get_post_meta( $menu_item->ID, '_menu_item_object', true ) === $taxonomy
) {
$menu_item_ids[] = (int) $menu_item->ID;
}
}
}
return array_unique( $menu_item_ids );
}
/**
* Callback for handling a menu item when its original object is deleted.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being trashed.
*/
function _wp_delete_post_menu_item( $object_id ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' );
foreach ( (array) $menu_item_ids as $menu_item_id ) {
wp_delete_post( $menu_item_id, true );
}
}
/**
* Serves as a callback for handling a menu item when its original object is deleted.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being trashed.
* @param int $tt_id Term taxonomy ID. Unused.
* @param string $taxonomy Taxonomy slug.
*/
function _wp_delete_tax_menu_item( $object_id, $tt_id, $taxonomy ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'taxonomy', $taxonomy );
foreach ( (array) $menu_item_ids as $menu_item_id ) {
wp_delete_post( $menu_item_id, true );
}
}
/**
* Automatically add newly published page objects to menus with that as an option.
*
* @since 3.0.0
* @access private
*
* @param string $new_status The new status of the post object.
* @param string $old_status The old status of the post object.
* @param WP_Post $post The post object being transitioned from one status to another.
*/
function _wp_auto_add_pages_to_menu( $new_status, $old_status, $post ) {
if ( 'publish' !== $new_status || 'publish' === $old_status || 'page' !== $post->post_type ) {
return;
}
if ( ! empty( $post->post_parent ) ) {
return;
}
$auto_add = get_option( 'nav_menu_options' );
if ( empty( $auto_add ) || ! is_array( $auto_add ) || ! isset( $auto_add['auto_add'] ) ) {
return;
}
$auto_add = $auto_add['auto_add'];
if ( empty( $auto_add ) || ! is_array( $auto_add ) ) {
return;
}
$args = array(
'menu-item-object-id' => $post->ID,
'menu-item-object' => $post->post_type,
'menu-item-type' => 'post_type',
'menu-item-status' => 'publish',
);
foreach ( $auto_add as $menu_id ) {
$items = wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
if ( ! is_array( $items ) ) {
continue;
}
foreach ( $items as $item ) {
if ( $post->ID === (int) $item->object_id ) {
continue 2;
}
}
wp_update_nav_menu_item( $menu_id, 0, $args );
}
}
/**
* Deletes auto-draft posts associated with the supplied changeset.
*
* @since 4.8.0
* @access private
*
* @param int $post_id Post ID for the customize_changeset.
*/
function _wp_delete_customize_changeset_dependent_auto_drafts( $post_id ) {
$post = get_post( $post_id );
if ( ! $post || 'customize_changeset' !== $post->post_type ) {
return;
}
$data = json_decode( $post->post_content, true );
if ( empty( $data['nav_menus_created_posts']['value'] ) ) {
return;
}
remove_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' );
foreach ( $data['nav_menus_created_posts']['value'] as $stub_post_id ) {
if ( empty( $stub_post_id ) ) {
continue;
}
if ( 'auto-draft' === get_post_status( $stub_post_id ) ) {
wp_delete_post( $stub_post_id, true );
} elseif ( 'draft' === get_post_status( $stub_post_id ) ) {
wp_trash_post( $stub_post_id );
delete_post_meta( $stub_post_id, '_customize_changeset_uuid' );
}
}
add_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' );
}
/**
* Handles menu config after theme change.
*
* @access private
* @since 4.9.0
*/
function _wp_menus_changed() {
$old_nav_menu_locations = get_option( 'theme_switch_menu_locations', array() );
$new_nav_menu_locations = get_nav_menu_locations();
$mapped_nav_menu_locations = wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations );
set_theme_mod( 'nav_menu_locations', $mapped_nav_menu_locations );
delete_option( 'theme_switch_menu_locations' );
}
/**
* Maps nav menu locations according to assignments in previously active theme.
*
* @since 4.9.0
*
* @param array $new_nav_menu_locations New nav menu locations assignments.
* @param array $old_nav_menu_locations Old nav menu locations assignments.
* @return array Nav menus mapped to new nav menu locations.
*/
function wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations ) {
$registered_nav_menus = get_registered_nav_menus();
$new_nav_menu_locations = array_intersect_key( $new_nav_menu_locations, $registered_nav_menus );
// Short-circuit if there are no old nav menu location assignments to map.
if ( empty( $old_nav_menu_locations ) ) {
return $new_nav_menu_locations;
}
// If old and new theme have just one location, map it and we're done.
if ( 1 === count( $old_nav_menu_locations ) && 1 === count( $registered_nav_menus ) ) {
$new_nav_menu_locations[ key( $registered_nav_menus ) ] = array_pop( $old_nav_menu_locations );
return $new_nav_menu_locations;
}
$old_locations = array_keys( $old_nav_menu_locations );
// Map locations with the same slug.
foreach ( $registered_nav_menus as $location => $name ) {
if ( in_array( $location, $old_locations, true ) ) {
$new_nav_menu_locations[ $location ] = $old_nav_menu_locations[ $location ];
unset( $old_nav_menu_locations[ $location ] );
}
}
// If there are no old nav menu locations left, then we're done.
if ( empty( $old_nav_menu_locations ) ) {
return $new_nav_menu_locations;
}
/*
* If old and new theme both have locations that contain phrases
* from within the same group, make an educated guess and map it.
*/
$common_slug_groups = array(
array( 'primary', 'menu-1', 'main', 'header', 'navigation', 'top' ),
array( 'secondary', 'menu-2', 'footer', 'subsidiary', 'bottom' ),
array( 'social' ),
);
// Go through each group...
foreach ( $common_slug_groups as $slug_group ) {
// ...and see if any of these slugs...
foreach ( $slug_group as $slug ) {
// ...and any of the new menu locations...
foreach ( $registered_nav_menus as $new_location => $name ) {
// ...actually match!
if ( is_string( $new_location ) && false === stripos( $new_location, $slug ) && false === stripos( $slug, $new_location ) ) {
continue;
} elseif ( is_numeric( $new_location ) && $new_location !== $slug ) {
continue;
}
// Then see if any of the old locations...
foreach ( $old_nav_menu_locations as $location => $menu_id ) {
// ...and any slug in the same group...
foreach ( $slug_group as $slug ) {
// ... have a match as well.
if ( is_string( $location ) && false === stripos( $location, $slug ) && false === stripos( $slug, $location ) ) {
continue;
} elseif ( is_numeric( $location ) && $location !== $slug ) {
continue;
}
// Make sure this location wasn't mapped and removed previously.
if ( ! empty( $old_nav_menu_locations[ $location ] ) ) {
// We have a match that can be mapped!
$new_nav_menu_locations[ $new_location ] = $old_nav_menu_locations[ $location ];
// Remove the mapped location so it can't be mapped again.
unset( $old_nav_menu_locations[ $location ] );
// Go back and check the next new menu location.
continue 3;
}
} // End foreach ( $slug_group as $slug ).
} // End foreach ( $old_nav_menu_locations as $location => $menu_id ).
} // End foreach foreach ( $registered_nav_menus as $new_location => $name ).
} // End foreach ( $slug_group as $slug ).
} // End foreach ( $common_slug_groups as $slug_group ).
return $new_nav_menu_locations;
}
/**
* Prevents menu items from being their own parent.
*
* Resets menu_item_parent to 0 when the parent is set to the item itself.
* For use before saving `_menu_item_menu_item_parent` in nav-menus.php.
*
* @since 6.2.0
* @access private
*
* @param array $menu_item_data The menu item data array.
* @return array The menu item data with reset menu_item_parent.
*/
function _wp_reset_invalid_menu_item_parent( $menu_item_data ) {
if ( ! is_array( $menu_item_data ) ) {
return $menu_item_data;
}
if (
! empty( $menu_item_data['ID'] ) &&
! empty( $menu_item_data['menu_item_parent'] ) &&
(int) $menu_item_data['ID'] === (int) $menu_item_data['menu_item_parent']
) {
$menu_item_data['menu_item_parent'] = 0;
}
return $menu_item_data;
}
/**
* REST API: WP_REST_Meta_Fields class
*
* @package WordPress
* @subpackage REST_API
* @since 4.7.0
*/
/**
* Core class to manage meta values for an object via the REST API.
*
* @since 4.7.0
*/
#[AllowDynamicProperties]
abstract class WP_REST_Meta_Fields {
/**
* Retrieves the object meta type.
*
* @since 4.7.0
*
* @return string One of 'post', 'comment', 'term', 'user', or anything
* else supported by `_get_meta_table()`.
*/
abstract protected function get_meta_type();
/**
* Retrieves the object meta subtype.
*
* @since 4.9.8
*
* @return string Subtype for the meta type, or empty string if no specific subtype.
*/
protected function get_meta_subtype() {
return '';
}
/**
* Retrieves the object type for register_rest_field().
*
* @since 4.7.0
*
* @return string The REST field type, such as post type name, taxonomy name, 'comment', or `user`.
*/
abstract protected function get_rest_field_type();
/**
* Registers the meta field.
*
* @since 4.7.0
* @deprecated 5.6.0
*
* @see register_rest_field()
*/
public function register_field() {
_deprecated_function( __METHOD__, '5.6.0' );
register_rest_field(
$this->get_rest_field_type(),
'meta',
array(
'get_callback' => array( $this, 'get_value' ),
'update_callback' => array( $this, 'update_value' ),
'schema' => $this->get_field_schema(),
)
);
}
/**
* Retrieves the meta field value.
*
* @since 4.7.0
*
* @param int $object_id Object ID to fetch meta for.
* @param WP_REST_Request $request Full details about the request.
* @return array Array containing the meta values keyed by name.
*/
public function get_value( $object_id, $request ) {
$fields = $this->get_registered_fields();
$response = array();
foreach ( $fields as $meta_key => $args ) {
$name = $args['name'];
$all_values = get_metadata( $this->get_meta_type(), $object_id, $meta_key, false );
if ( $args['single'] ) {
if ( empty( $all_values ) ) {
$value = $args['schema']['default'];
} else {
$value = $all_values[0];
}
$value = $this->prepare_value_for_response( $value, $request, $args );
} else {
$value = array();
if ( is_array( $all_values ) ) {
foreach ( $all_values as $row ) {
$value[] = $this->prepare_value_for_response( $row, $request, $args );
}
}
}
$response[ $name ] = $value;
}
return $response;
}
/**
* Prepares a meta value for a response.
*
* This is required because some native types cannot be stored correctly
* in the database, such as booleans. We need to cast back to the relevant
* type before passing back to JSON.
*
* @since 4.7.0
*
* @param mixed $value Meta value to prepare.
* @param WP_REST_Request $request Current request object.
* @param array $args Options for the field.
* @return mixed Prepared value.
*/
protected function prepare_value_for_response( $value, $request, $args ) {
if ( ! empty( $args['prepare_callback'] ) ) {
$value = call_user_func( $args['prepare_callback'], $value, $request, $args );
}
return $value;
}
/**
* Updates meta values.
*
* @since 4.7.0
*
* @param array $meta Array of meta parsed from the request.
* @param int $object_id Object ID to fetch meta for.
* @return null|WP_Error Null on success, WP_Error object on failure.
*/
public function update_value( $meta, $object_id ) {
$fields = $this->get_registered_fields();
$error = new WP_Error();
foreach ( $fields as $meta_key => $args ) {
$name = $args['name'];
if ( ! array_key_exists( $name, $meta ) ) {
continue;
}
$value = $meta[ $name ];
/*
* A null value means reset the field, which is essentially deleting it
* from the database and then relying on the default value.
*
* Non-single meta can also be removed by passing an empty array.
*/
if ( is_null( $value ) || ( array() === $value && ! $args['single'] ) ) {
$args = $this->get_registered_fields()[ $meta_key ];
if ( $args['single'] ) {
$current = get_metadata( $this->get_meta_type(), $object_id, $meta_key, true );
if ( is_wp_error( rest_validate_value_from_schema( $current, $args['schema'] ) ) ) {
$error->add(
'rest_invalid_stored_value',
/* translators: %s: Custom field key. */
sprintf( __( 'The %s property has an invalid stored value, and cannot be updated to null.' ), $name ),
array( 'status' => 500 )
);
continue;
}
}
$result = $this->delete_meta_value( $object_id, $meta_key, $name );
if ( is_wp_error( $result ) ) {
$error->merge_from( $result );
}
continue;
}
if ( ! $args['single'] && is_array( $value ) && count( array_filter( $value, 'is_null' ) ) ) {
$error->add(
'rest_invalid_stored_value',
/* translators: %s: Custom field key. */
sprintf( __( 'The %s property has an invalid stored value, and cannot be updated to null.' ), $name ),
array( 'status' => 500 )
);
continue;
}
$is_valid = rest_validate_value_from_schema( $value, $args['schema'], 'meta.' . $name );
if ( is_wp_error( $is_valid ) ) {
$is_valid->add_data( array( 'status' => 400 ) );
$error->merge_from( $is_valid );
continue;
}
$value = rest_sanitize_value_from_schema( $value, $args['schema'] );
if ( $args['single'] ) {
$result = $this->update_meta_value( $object_id, $meta_key, $name, $value );
} else {
$result = $this->update_multi_meta_value( $object_id, $meta_key, $name, $value );
}
if ( is_wp_error( $result ) ) {
$error->merge_from( $result );
continue;
}
}
if ( $error->has_errors() ) {
return $error;
}
return null;
}
/**
* Deletes a meta value for an object.
*
* @since 4.7.0
*
* @param int $object_id Object ID the field belongs to.
* @param string $meta_key Key for the field.
* @param string $name Name for the field that is exposed in the REST API.
* @return true|WP_Error True if meta field is deleted, WP_Error otherwise.
*/
protected function delete_meta_value( $object_id, $meta_key, $name ) {
$meta_type = $this->get_meta_type();
if ( ! current_user_can( "delete_{$meta_type}_meta", $object_id, $meta_key ) ) {
return new WP_Error(
'rest_cannot_delete',
/* translators: %s: Custom field key. */
sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
array(
'key' => $name,
'status' => rest_authorization_required_code(),
)
);
}
if ( null === get_metadata_raw( $meta_type, $object_id, wp_slash( $meta_key ) ) ) {
return true;
}
if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $meta_key ) ) ) {
return new WP_Error(
'rest_meta_database_error',
__( 'Could not delete meta value from database.' ),
array(
'key' => $name,
'status' => WP_Http::INTERNAL_SERVER_ERROR,
)
);
}
return true;
}
/**
* Updates multiple meta values for an object.
*
* Alters the list of values in the database to match the list of provided values.
*
* @since 4.7.0
* @since 6.7.0 Stores values into DB even if provided registered default value.
*
* @param int $object_id Object ID to update.
* @param string $meta_key Key for the custom field.
* @param string $name Name for the field that is exposed in the REST API.
* @param array $values List of values to update to.
* @return true|WP_Error True if meta fields are updated, WP_Error otherwise.
*/
protected function update_multi_meta_value( $object_id, $meta_key, $name, $values ) {
$meta_type = $this->get_meta_type();
if ( ! current_user_can( "edit_{$meta_type}_meta", $object_id, $meta_key ) ) {
return new WP_Error(
'rest_cannot_update',
/* translators: %s: Custom field key. */
sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
array(
'key' => $name,
'status' => rest_authorization_required_code(),
)
);
}
$current_values = get_metadata_raw( $meta_type, $object_id, $meta_key, false );
$subtype = get_object_subtype( $meta_type, $object_id );
if ( ! is_array( $current_values ) ) {
$current_values = array();
}
$to_remove = $current_values;
$to_add = $values;
foreach ( $to_add as $add_key => $value ) {
$remove_keys = array_keys(
array_filter(
$current_values,
function ( $stored_value ) use ( $meta_key, $subtype, $value ) {
return $this->is_meta_value_same_as_stored_value( $meta_key, $subtype, $stored_value, $value );
}
)
);
if ( empty( $remove_keys ) ) {
continue;
}
if ( count( $remove_keys ) > 1 ) {
// To remove, we need to remove first, then add, so don't touch.
continue;
}
$remove_key = $remove_keys[0];
unset( $to_remove[ $remove_key ] );
unset( $to_add[ $add_key ] );
}
/*
* `delete_metadata` removes _all_ instances of the value, so only call once. Otherwise,
* `delete_metadata` will return false for subsequent calls of the same value.
* Use serialization to produce a predictable string that can be used by array_unique.
*/
$to_remove = array_map( 'maybe_unserialize', array_unique( array_map( 'maybe_serialize', $to_remove ) ) );
foreach ( $to_remove as $value ) {
if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
return new WP_Error(
'rest_meta_database_error',
/* translators: %s: Custom field key. */
sprintf( __( 'Could not update the meta value of %s in database.' ), $meta_key ),
array(
'key' => $name,
'status' => WP_Http::INTERNAL_SERVER_ERROR,
)
);
}
}
foreach ( $to_add as $value ) {
if ( ! add_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
return new WP_Error(
'rest_meta_database_error',
/* translators: %s: Custom field key. */
sprintf( __( 'Could not update the meta value of %s in database.' ), $meta_key ),
array(
'key' => $name,
'status' => WP_Http::INTERNAL_SERVER_ERROR,
)
);
}
}
return true;
}
/**
* Updates a meta value for an object.
*
* @since 4.7.0
* @since 6.7.0 Stores values into DB even if provided registered default value.
*
* @param int $object_id Object ID to update.
* @param string $meta_key Key for the custom field.
* @param string $name Name for the field that is exposed in the REST API.
* @param mixed $value Updated value.
* @return true|WP_Error True if the meta field was updated, WP_Error otherwise.
*/
protected function update_meta_value( $object_id, $meta_key, $name, $value ) {
$meta_type = $this->get_meta_type();
// Do the exact same check for a duplicate value as in update_metadata() to avoid update_metadata() returning false.
$old_value = get_metadata_raw( $meta_type, $object_id, $meta_key );
$subtype = get_object_subtype( $meta_type, $object_id );
if ( is_array( $old_value ) && 1 === count( $old_value )
&& $this->is_meta_value_same_as_stored_value( $meta_key, $subtype, $old_value[0], $value )
) {
return true;
}
if ( ! current_user_can( "edit_{$meta_type}_meta", $object_id, $meta_key ) ) {
return new WP_Error(
'rest_cannot_update',
/* translators: %s: Custom field key. */
sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
array(
'key' => $name,
'status' => rest_authorization_required_code(),
)
);
}
if ( ! update_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
return new WP_Error(
'rest_meta_database_error',
/* translators: %s: Custom field key. */
sprintf( __( 'Could not update the meta value of %s in database.' ), $meta_key ),
array(
'key' => $name,
'status' => WP_Http::INTERNAL_SERVER_ERROR,
)
);
}
return true;
}
/**
* Checks if the user provided value is equivalent to a stored value for the given meta key.
*
* @since 5.5.0
*
* @param string $meta_key The meta key being checked.
* @param string $subtype The object subtype.
* @param mixed $stored_value The currently stored value retrieved from get_metadata().
* @param mixed $user_value The value provided by the user.
* @return bool
*/
protected function is_meta_value_same_as_stored_value( $meta_key, $subtype, $stored_value, $user_value ) {
$args = $this->get_registered_fields()[ $meta_key ];
$sanitized = sanitize_meta( $meta_key, $user_value, $this->get_meta_type(), $subtype );
if ( in_array( $args['type'], array( 'string', 'number', 'integer', 'boolean' ), true ) ) {
// The return value of get_metadata will always be a string for scalar types.
$sanitized = (string) $sanitized;
}
return $sanitized === $stored_value;
}
/**
* Retrieves all the registered meta fields.
*
* @since 4.7.0
*
* @return array Registered fields.
*/
protected function get_registered_fields() {
$registered = array();
$meta_type = $this->get_meta_type();
$meta_subtype = $this->get_meta_subtype();
$meta_keys = get_registered_meta_keys( $meta_type );
if ( ! empty( $meta_subtype ) ) {
$meta_keys = array_merge( $meta_keys, get_registered_meta_keys( $meta_type, $meta_subtype ) );
}
foreach ( $meta_keys as $name => $args ) {
if ( empty( $args['show_in_rest'] ) ) {
continue;
}
$rest_args = array();
if ( is_array( $args['show_in_rest'] ) ) {
$rest_args = $args['show_in_rest'];
}
$default_args = array(
'name' => $name,
'single' => $args['single'],
'type' => ! empty( $args['type'] ) ? $args['type'] : null,
'schema' => array(),
'prepare_callback' => array( $this, 'prepare_value' ),
);
$default_schema = array(
'type' => $default_args['type'],
'title' => empty( $args['label'] ) ? '' : $args['label'],
'description' => empty( $args['description'] ) ? '' : $args['description'],
'default' => isset( $args['default'] ) ? $args['default'] : null,
);
$rest_args = array_merge( $default_args, $rest_args );
$rest_args['schema'] = array_merge( $default_schema, $rest_args['schema'] );
$type = ! empty( $rest_args['type'] ) ? $rest_args['type'] : null;
$type = ! empty( $rest_args['schema']['type'] ) ? $rest_args['schema']['type'] : $type;
if ( null === $rest_args['schema']['default'] ) {
$rest_args['schema']['default'] = static::get_empty_value_for_type( $type );
}
$rest_args['schema'] = rest_default_additional_properties_to_false( $rest_args['schema'] );
if ( ! in_array( $type, array( 'string', 'boolean', 'integer', 'number', 'array', 'object' ), true ) ) {
continue;
}
if ( empty( $rest_args['single'] ) ) {
$rest_args['schema'] = array(
'type' => 'array',
'items' => $rest_args['schema'],
);
}
$registered[ $name ] = $rest_args;
}
return $registered;
}
/**
* Retrieves the object's meta schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array Field schema data.
*/
public function get_field_schema() {
$fields = $this->get_registered_fields();
$schema = array(
'description' => __( 'Meta fields.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'properties' => array(),
'arg_options' => array(
'sanitize_callback' => null,
'validate_callback' => array( $this, 'check_meta_is_array' ),
),
);
foreach ( $fields as $args ) {
$schema['properties'][ $args['name'] ] = $args['schema'];
}
return $schema;
}
/**
* Prepares a meta value for output.
*
* Default preparation for meta fields. Override by passing the
* `prepare_callback` in your `show_in_rest` options.
*
* @since 4.7.0
*
* @param mixed $value Meta value from the database.
* @param WP_REST_Request $request Request object.
* @param array $args REST-specific options for the meta key.
* @return mixed Value prepared for output. If a non-JsonSerializable object, null.
*/
public static function prepare_value( $value, $request, $args ) {
if ( $args['single'] ) {
$schema = $args['schema'];
} else {
$schema = $args['schema']['items'];
}
if ( '' === $value && in_array( $schema['type'], array( 'boolean', 'integer', 'number' ), true ) ) {
$value = static::get_empty_value_for_type( $schema['type'] );
}
if ( is_wp_error( rest_validate_value_from_schema( $value, $schema ) ) ) {
return null;
}
return rest_sanitize_value_from_schema( $value, $schema );
}
/**
* Check the 'meta' value of a request is an associative array.
*
* @since 4.7.0
*
* @param mixed $value The meta value submitted in the request.
* @param WP_REST_Request $request Full details about the request.
* @param string $param The parameter name.
* @return array|false The meta array, if valid, false otherwise.
*/
public function check_meta_is_array( $value, $request, $param ) {
if ( ! is_array( $value ) ) {
return false;
}
return $value;
}
/**
* Recursively add additionalProperties = false to all objects in a schema if no additionalProperties setting
* is specified.
*
* This is needed to restrict properties of objects in meta values to only
* registered items, as the REST API will allow additional properties by
* default.
*
* @since 5.3.0
* @deprecated 5.6.0 Use rest_default_additional_properties_to_false() instead.
*
* @param array $schema The schema array.
* @return array
*/
protected function default_additional_properties_to_false( $schema ) {
_deprecated_function( __METHOD__, '5.6.0', 'rest_default_additional_properties_to_false()' );
return rest_default_additional_properties_to_false( $schema );
}
/**
* Gets the empty value for a schema type.
*
* @since 5.3.0
*
* @param string $type The schema type.
* @return mixed
*/
protected static function get_empty_value_for_type( $type ) {
switch ( $type ) {
case 'string':
return '';
case 'boolean':
return false;
case 'integer':
return 0;
case 'number':
return 0.0;
case 'array':
case 'object':
return array();
default:
return null;
}
}
}