public function beforeFilter() { // Check if user is authenticated, redirect to login page if not if (!$this->Auth->user()) { $this->redirect('/login'); } }
public function beforeFilter() { // Check if current user is authorized to access the requested action if (!$this->User->canAccess($this->request->params)) { throw new ForbiddenException(); } }
public function beforeFilter() { // Set default layout for all controller actions $this->viewBuilder()->setLayout('default'); }This example sets the default layout for all controller actions using the viewBuilder method in CakePHP. This can be useful if you want to ensure that all pages on your site use the same layout. Package Library: CakePHP In summary, the beforeFilter function in PHP Controller is used to perform any necessary setup or checks before a Controller action is executed. It can be used for tasks such as authentication, authorization, and setting default layout. The examples given above demonstrate its use in the framework CakePHP, as well as in a custom library.