/**
* Filters a value by calling all listeners of a given event.
*
* @param RokCommon_Event $event A RokCommon_Event instance
* @param mixed $value The value to be filtered
*
* @return RokCommon_Event The RokCommon_Event instance
*/
public function filter(RokCommon_Event $event, $value)
{
if (isset($this->listeners[$event->getName()])) {
foreach ($this->listeners[$event->getName()] as $priority_listeners) {
foreach ($priority_listeners as $listener) {
$value = call_user_func_array($listener, array($event, $value));
}
}
$event->setReturnValue($value);
}
return $event;
}
