/**
* Get HierarchyPositionsInParents
*
* @inheritDoc
*
* @note Prevent php error for invalid index data. parent_id and sequence should
* contain the same amount of values which correspond
*
* @return Array
*/
public function getHierarchyPositionsInParents()
{
if (isset($this->fields['hierarchy_parent_id']) && isset($this->fields['hierarchy_sequence'])) {
if (sizeof($this->fields['hierarchy_parent_id']) > sizeof($this->fields['hierarchy_sequence'])) {
$this->fields['hierarchy_parent_id'] = array_slice($this->fields['hierarchy_parent_id'], 0, sizeof($this->fields['hierarchy_sequence']));
}
}
return parent::getHierarchyPositionsInParents();
}