/**
* Attach a handler to the session validator chain
*
* @param string $event
* @param callback $context
* @param int $priority
* @return Zend\Stdlib\CallbackHandler
*/
public function attach($event, $callback, $priority = 1)
{
$context = null;
if ($callback instanceof Validator) {
$context = $callback;
} elseif (is_array($callback)) {
$test = array_shift($callback);
if ($test instanceof Validator) {
$context = $test;
}
array_unshift($callback, $test);
}
if ($context instanceof Validator) {
$data = $context->getData();
$name = $context->getName();
$this->getStorage()->setMetadata('_VALID', array($name => $data));
}
$handle = parent::connect($event, $callback, $priority);
return $handle;
}
