/**
* Enforce item to be added is Link or nested array of Links
*
* @param mixed $value Item to be added to collection
*
* @return array|Link
*/
protected function enforceItem($value)
{
if ($value instanceof Link) {
return $value;
} elseif (is_array($value) && ArrayHelper::isCollection($value)) {
return $this->enforceArrayItems($value);
} else {
return new Link($value);
}
}
