get_registered_meta_keys() WP 4.6.0

Retrieves a list of registered meta keys for an object type.

Хуков нет.

Возвращает

Массив. List of registered meta keys.

Использование

get_registered_meta_keys( $object_type, $object_subtype );

$object_type(строка) (обязательный)

The type of object. Post, comment, user, term.

$object_subtype(строка)

The subtype of the object type.
По умолчанию: ''

Код get registered meta keys: wp-includes/meta.php ^{VER 5.0.3}

<?php
function get_registered_meta_keys( $object_type, $object_subtype = '' ) {
	global $wp_meta_keys;

	if ( ! is_array( $wp_meta_keys ) || ! isset( $wp_meta_keys[ $object_type ] ) || ! isset( $wp_meta_keys[ $object_type ][ $object_subtype ] ) ) {
		return array();
	}

	return $wp_meta_keys[ $object_type ][ $object_subtype ];
}