// créations variable sessions pour enregistrement temporaire.
     $_SESSION['per_nom'] = $_POST['per_nom'];
     $_SESSION['per_prenom'] = $_POST['per_prenom'];
     $_SESSION['per_tel'] = $_POST['per_tel'];
     $_SESSION['per_mail'] = $_POST['per_mail'];
     $_SESSION['per_login'] = $_POST['per_login'];
     $_SESSION['per_pwd'] = $_POST['per_pwd'];
     $_SESSION['categorie'] = $_POST['categorie'];
 }
 if ($_SESSION["categorie"] == "etudiant") {
     if (empty($_POST['dep_num'])) {
         include "include/pages/form/ajouterEtudiant.form.inc.php";
     } else {
         $etudiant = new Etudiant(array('per_nom' => $_SESSION['per_nom'], 'per_prenom' => $_SESSION['per_prenom'], 'per_tel' => $_SESSION['per_tel'], 'per_mail' => $_SESSION['per_mail'], 'per_login' => $_SESSION['per_login'], 'per_pwd' => $_SESSION['per_pwd'], 'dep_num' => $_POST['dep_num'], 'div_num' => $_POST['div_num']));
         $etudiantManager = new EtudiantManager($pdo);
         $retour = $etudiantManager->add($etudiant);
         $prenom = $etudiant->getPerPrenom();
         if ($retour != 0) {
             afficherMessageSucces("L'étudiant '{$prenom}' a été ajouté !");
             $ajoutSucces = true;
             redirection(1, ACCUEIL);
         } else {
             afficherMessageErreur("L'étudiant '{$prenom}' n'a pas été ajouté !");
             redirection(5, ACCUEIL);
         }
     }
     //FIN ELSE ETUDIANT
     // FIN ETUDIANT
 } else {
     if ($_SESSION['categorie'] == "personnel") {
         if (empty($_POST['sal_telprof'])) {