diff --git a/Project/php/config/Validation.php b/Project/php/config/Validation.php
index a1bb89e..819a35f 100755
--- a/Project/php/config/Validation.php
+++ b/Project/php/config/Validation.php
@@ -9,9 +9,7 @@ class Validation
 
     public static function val_action($action): string {
         $safeAction = htmlspecialchars($action, ENT_QUOTES);
-        if (!isset($action))
-            throw new \Exception('pas d\'action');
-        else if ($safeAction != $action)
+        if ($safeAction != $action)
             throw new \Exception("tentative d'injection sql détectée");
         else return $safeAction;
     }
diff --git a/Project/php/controller/AdminController.php b/Project/php/controller/AdminController.php
index b5dab87..f281a0e 100755
--- a/Project/php/controller/AdminController.php
+++ b/Project/php/controller/AdminController.php
@@ -13,7 +13,7 @@ class AdminController
         global $twig;
 
         try {
-            $action = Validation::val_action($_REQUEST['action']);
+            $action = Validation::val_action($_REQUEST['action'] ?? null);
 
             switch($action) {
                 case 'showAllUsers':
diff --git a/Project/php/controller/ControleurTmp.php b/Project/php/controller/ControleurTmp.php
deleted file mode 100755
index 06532d2..0000000
--- a/Project/php/controller/ControleurTmp.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-namespace controleur;
-
-class ControleurTmp
-{
-    public function __construct()
-    {
-        global $twig; // nécessaire pour utiliser variables globales
-        // on démarre ou reprend la session pas utilisée ici
-        session_start();
-
-        //debut
-
-        //on initialise un tableau d'erreur
-        $dVueEreur = [];
-
-        try {
-            $action = $_REQUEST['action'] ?? null;
-
-            switch($action) {
-                //pas d'action, on réinitialise 1er appel
-                case null:
-                    $this->Reinit();
-                    break;
-
-                case 'validationFormulaire':
-                    $this->ValidationFormulaire($dVueEreur);
-                    break;
-
-                    //mauvaise action
-                default:
-                    $dVueEreur[] = "Erreur d'appel php";
-                    echo $twig->render('vuephp1.html', ['dVueEreur' => $dVueEreur]);
-                    break;
-            }
-        } catch (\PDOException $e) {
-            //si erreur BD, pas le cas ici
-            $dVueEreur[] = 'Erreur inattendue!!! ';
-        } catch (\Exception $e2) {
-            $dVueEreur[] = 'Erreur inattendue!!! ';
-            echo $twig->render('erreur.html', ['dVueEreur' => $dVueEreur]);
-        }
-
-        //fin
-        exit(0);
-    }//fin constructeur
-
-    public function Reinit()
-    {
-        global $twig; // nécessaire pour utiliser variables globales
-
-        $dVue = [
-            'nom' => '',
-            'age' => 0,
-        ];
-        echo $twig->render('vuephp1.html', [
-            'dVue' => $dVue
-        ]);
-    }
-
-    public function ValidationFormulaire(array $dVueEreur)
-    {
-        global $twig; // nécessaire pour utiliser variables globales
-
-        //si exception, ca remonte !!!
-        $nom = $_POST['txtNom']; // txtNom = nom du champ texte dans le formulaire
-        $age = $_POST['txtAge'];
-        \config\Validation::val_form($nom, $age, $dVueEreur);
-
-        $model = new \modeles\Simplemodel();
-        $data  = $model->get_data();
-
-        $dVue = [
-            'nom'  => $nom,
-            'age'  => $age,
-            'data' => $data,
-        ];
-
-        echo $twig->render('vuephp1.html', ['dVue' => $dVue, 'dVueEreur' => $dVueEreur]);
-    }
-}//fin class
diff --git a/Project/php/controller/FrontController.php b/Project/php/controller/FrontController.php
index 318b6f7..bfedbdb 100755
--- a/Project/php/controller/FrontController.php
+++ b/Project/php/controller/FrontController.php
@@ -36,7 +36,7 @@ class FrontController
         $dVueEreur = array();
 
         try {
-            $action = Validation::val_action($_REQUEST['action']);
+            $action = Validation::val_action($_REQUEST['action'] ?? null);
 
             switch ($action) {
                 case null:
diff --git a/Project/php/controller/StudentController.php b/Project/php/controller/StudentController.php
index 65e7703..a018836 100755
--- a/Project/php/controller/StudentController.php
+++ b/Project/php/controller/StudentController.php
@@ -12,7 +12,7 @@ class StudentController
         global $twig;
 
         try {
-            $action = $_REQUEST['action'] ?? null;
+            $action = Validation::val_action($_REQUEST['action'] ?? null);
             switch ($action) {
                 case 'allVocab':
                     $this->affAllVocab();
diff --git a/Project/php/controller/TeacherController.php b/Project/php/controller/TeacherController.php
index 3c700d6..e3124ec 100755
--- a/Project/php/controller/TeacherController.php
+++ b/Project/php/controller/TeacherController.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace controller;
+use config\Validation;
 use model\MdlTeacher;
 use Exception;
 
@@ -11,7 +12,7 @@ class TeacherController
         global $twig;
 
         try {
-            $action = $_REQUEST['action'] ?? null;
+            $action = Validation::val_action($_REQUEST['action'] ?? null);
             switch ($action) {
 
                 case 'getAllStudent':