php - Run method before all controllers symfony2 -

i want run transparently method before controllers. how need this?

protected function getfrontbreadcrumb() {     $breadcrumbs = $this->get("white_october_breadcrumbs");     $breadcrumbs->additem("Главная", $this->get("router")->generate("front")); } 

you must use event listeners :)

http://symfony.com/doc/current/book/internals.html#events

be careful not ask questions answered on stack overflow ^^