/**
* Register field type
*
* @param string $type_name
* @param string|array $type_def - Classname, or array of $args
*
* @return bool Whether the object type $type_name was registered
*/
function register_field_type($type_name, $type_def = array())
{
return WP_Metadata::register_field_type($type_name, $type_def);
}
