public function __unset($key)
{
$column = $this->formatColumnName($key);
if (parent::__isset($column) || !ObjectMixin::has($this, $key)) {
parent::__unset($column);
} else {
ObjectMixin::remove($this, $key);
}
}
/**
* @param $key
* @return bool
*/
public function __isset($key)
{
return ObjectMixin::has($this, $key) || $this->activeRow->__isset($key);
}