get_registered_meta_keys() │ WP 4.6.0

Retrieves a list of registered metadata args for an object type, keyed by their meta keys.

No Hooks.

Returns

Array[]. List of registered metadata args, keyed by their meta keys.

Usage

get_registered_meta_keys( $object_type, $object_subtype );

$object_type(string) (required)

Type of object metadata is for. Accepts 'blog', 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.

$object_subtype(string)

The subtype of the object type.
Default: empty string

Notes

• Global. Array. $wp_meta_keys Global registry for meta keys.

Changelog

get_registered_meta_keys() get registered meta keys code ^{WP 7.0}

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 ];
}