diff --git a/project/src/config/Validation.php b/project/src/config/Validation.php
new file mode 100644
index 0000000..01dec38
--- /dev/null
+++ b/project/src/config/Validation.php
@@ -0,0 +1,25 @@
+<?php
+namespace config;
+
+class Validation
+{
+    public static function val_action($action)
+    {
+        if (!isset($action)) {
+            throw new \Exception('pas d\'action');
+        }
+    }
+
+    public static function val_form(string &$jeu, string &$difficulty, &$dVueErreur)
+    {
+        if (!isset($jeu) || $jeu == '' || !filter_var($jeu, FILTER_VALIDATE_INT)) {
+            $dVueErreur[] = 'Aucun jeu selectionné';
+            $jeu          = 0;
+        }
+
+        if (!isset($difficulty) || $difficulty == '' || !filter_var($difficulty, FILTER_VALIDATE_INT)) {
+            $dVueErreur[] = "Aucune difficultée séléctionnée";
+            $difficulty   = 0;
+        }
+    }
+}