<?php require 'UserException.php'; require 'UserInterface.php'; require 'TotoInterface.php'; require 'Human.php'; require 'User.php'; require 'Validator.php'; class A { } $a = new A(); $user = new User(); $user->getCoucou(); $v = new Validator(); try { $v->validate($user); } catch (UserException $e) { echo $e->getMessage(); } catch (Exception $e) { echo 'Autre exception'; }