Validate georgian date

Validate georgian date

public function validGeorgianDate($attribute, $params)
	{
		$parts = explode('/', $this->$attribute);
		if(count($parts) == 3)
			if(is_numeric($parts[0]) && is_numeric($parts[1]) && is_numeric($parts[2]))
				if (checkdate($parts[0], $parts[1], $parts[2]))
					return;

		$this->addError($attribute, "Value  is nod valid date.");
	}