Code smells and bugs resolve 12

Source/Model/ModelCandidate.php

@@ -52,8 +52,7 @@ class ModelCandidate
                 $categs = explode("_", $categs);
                 array_pop($categs);
                 $category[] = $categs;
-            }
+            } else {
-            else {
                 $questionsId[] = array_shift($dataIds);
                 $answer[] = $answerAndCategory;
                 $category[] = [];
@@ -165,7 +164,8 @@ class ModelCandidate
      * @throws InexistantLoginException
      * @throws Exception
      */
-    public function login() :void {
+    public function login(): void
+    {
         global $rep, $views, $sel;
         $password = Clean::simpleString($_REQUEST['password']);
         $identifiant = Clean::simpleString($_REQUEST['login']);