public function __construct($array)
{
parent::__construct($array);
$this->persist_stack = new BaseCollection();
$this->persist_stack['save'] = new BaseCollection();
$this->persist_stack['delete'] = new BaseCollection();
}
public function offsetUnset($index)
{
if (!$this->exists($index)) {
return;
}
$value = $this->items[$index];
$this->checkInstanceValueClass($value);
$model = $this->getModel();
$resolver = $model->getSchema()->getResolver();
$value->{$resolver->end->field_to_start->getName()} = null;
$this->addPersistStack('save', $value);
parent::offsetUnset($index);
}
