get_registered_meta_keys( string $object_type, string $object_subtype = '' )
Retrieves a list of registered meta keys for an object type.
Parameters
- $object_type
-
(string) (Required) The type of object. Post, comment, user, term.
- $object_subtype
-
(string) (Optional) The subtype of the object type.
Default value: ''
Return
(array) List of registered meta keys.
Source
File: wp-includes/meta.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 ];
}
Changelog
| Version | Description |
|---|---|
| WP-4.9.8 | The $object_subtype parameter was added. |
| WP-4.6.0 | Introduced. |