print gettype($this); //object print get_object_vars($this); //Array print is_array($this); //false print is_object($this); //true print_r($this); //dump of the objects inside it print count($this); //true print get_class($this); //YourProject\YourFile\YourClass print isset($this); //true print get_parent_class($this); //YourBundle\YourStuff\YourParentClass print gettype($this->container); //object