gistfile1.aw

<?php

// $rules = array(
//    'field' => 'required|date:Y-m-d'
// );


public function validate_date($attribute, $value, $parameters)
{
	$format = $parameters[0];
	try {
		$date = new DateTime($value);
		return $date->format($format) == $value;
	} catch ( Exception $e ) {
		return false;
	}
}