/**
* Push a reference on to the list (fifo, lifo, etc)
*
* remember that AbstractRestrictedList is the parent object and holds
* the filtering logic.
*
* @return int|null Count of new list, Null if restrictions are not met
*
* @throws Exception\InvalidArgumentException if strict is enabled and
* value is not in restrictions
*/
public function pushReference(&$a)
{
$args = func_get_args();
if (parent::pushReference($a)) {
return array_push($this->list, $a);
}
return null;
}
/**
* Push a reference on to the list (fifo, lifo, etc)
*
* @return int|Falcraft\Data\Types\Null Count of new list, Null if
* restrictions are not met
*
* @throws \InvalidArgumentException if strict is enabled and value is
* not in restrictions
*/
public function pushReference(&$a)
{
if (parent::pushReference($a)) {
return $this->list->pushReference($a);
}
return new Null();
}