/**
* Adds a filter hook for an object
*
* $this->add_action( 'process_action' );
* $this->add_action( 'process_action', 11 );
* $this->add_action( 'process_action', 'special_func' );
* $this->add_action( 'process_action', 'special_func', 11 );
* $this->add_action( 'process_action', array( __CLASS__, 'class_func' ) );
* $this->add_action( 'process_action', array( __CLASS__, 'class_func' ), 11 );
* $this->add_action( 'process_action', new SpecialClass() );
* $this->add_action( 'process_action', new SpecialClass(), 11 );
*
* @param string $action_name
* @param string|array|object|int $callable_object_or_priority Array Callable, String Callable, Class w/Named Action or Priority
* @param int|null $priority
*
* @return mixed
*/
function add_action($action_name, $callable_object_or_priority = null, $priority = null)
{
list($callable, $priority) = $this->_parse_callable_args($action_name, $callable_object_or_priority, $priority);
if (defined('WP_CONTENT_DIR')) {
add_action($this->_hash_hook_name($action_name), $callable, $priority, 99);
} else {
RESTian::add_action($action_name, $callable, $priority);
}
}
