Retrieves a list of registered metadata args for an object type, keyed by their meta keys.
Parameters
$object_typestringrequired- Type of object metadata is for. Accepts
'post','comment','term','user', or any other object type with an associated meta table. $object_subtypestringoptional- The subtype of the object type.
Default:
''
Source
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 ];
}
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