/**
* Adds a date validation rule if it doesn't already exist.
*
* @param string $model
* @param string $column
* @return void
**/
public function initialize($model, $column)
{
parent::initialize($model, $column);
$this->rules += array('time' => null, 'max_length' => array(5));
}
/**
* Adds an URL validation rule if it doesn't already exist.
*
* @param string $model
* @param string $column
* @return void
**/
public function initialize($model, $column)
{
parent::initialize($model, $column);
$this->rules += array('url' => null);
}
/**
* Adds an email validation rule if it doesn't already exist.
*
* @param string $model
* @param string $column
* @return void
**/
public function initialize($model, $column)
{
parent::initialize($model, $column);
$this->rules += array('email' => NULL);
}