diff --git a/canapEPFL/README.md b/canapEPFL/README.md
index 960ac041c5cc4a3add19bc49467648aa172c7da5..105bb5a45327b1c480fe7e3d6f4cbb158d85de36 100644
--- a/canapEPFL/README.md
+++ b/canapEPFL/README.md
@@ -1,8 +1,8 @@
 # Améliorations en cours
 - [x] Utiliser la nouvelle charte 2018
-- [ ] Adapter pour ajouter les postulations dans une DB
+- [x] Adapter pour ajouter les postulations dans une DB
 - [x] Ajouter une page pour voir / supprimer sa / ses postulation(s)
-- [ ] Commentaires et section du code
+- [x] Commentaires et section du code
 
 # Améliorations possibles du formulaire canap.epfl.ch
 
diff --git a/canapEPFL/cible.php b/canapEPFL/cible.php
index 130e5a9dfb9673d2a3e5145fa5990d06147f30ba..d3ecb269ba0e347d13bf761f464038df5f9631ff 100644
--- a/canapEPFL/cible.php
+++ b/canapEPFL/cible.php
@@ -34,7 +34,7 @@
         }
         // kill session
         $_SESSION['formError'] = false;
-        // unset($_SESSION);
+        // TODO: ENABLE THIS AFTER DEV unset($_SESSION);
         include("templates/confirmationText.php");
       } else {
         $_SESSION['formError'] = true;
diff --git a/canapEPFL/configs/config.php b/canapEPFL/configs/config.php
index 12c81bfd45119ac725415b7c78bc33e732f00a21..4763b311c8bff53ba4bd24ac72318531624a73a1 100644
--- a/canapEPFL/configs/config.php
+++ b/canapEPFL/configs/config.php
@@ -1,5 +1,5 @@
 <?php
-    if(count(get_included_files()) == 1) exit("Direct access not permitted.");
+    if (count(get_included_files()) == 1) exit("Direct access not permitted.");
 
     /*
     -- DO NOT DELETE --
@@ -43,7 +43,7 @@
         "neSaisPas" => "Pas de filière préférée"
     ];
 
-    // default: \\\\scxdata\\apprentis$\\candidatures\\
+    // default (production): \\\\scxdata\\apprentis$\\candidatures\\
     $FILESERVERPATH = 'D:/formdata/';
 
     // Mettre a false pour pas spammer pendant le dev
diff --git a/canapEPFL/helpers.php b/canapEPFL/helpers.php
index 8a1a4b0c5d5d93f15788be1a150139f78bca4bd0..b33ef9ea90c3f07557b8243c288702ad6036f031 100644
--- a/canapEPFL/helpers.php
+++ b/canapEPFL/helpers.php
@@ -52,10 +52,6 @@ function uploadAllFiles($pathAnnexes, $postedFiles, $candidateData){
 
   return $candidateData;
 }
-
-function deleteApplicantFiles ($files) {
-  
-}
 #endregion
 
 #region [DB Interactions]
@@ -138,8 +134,8 @@ function insertResponsibles ($pdo, $representants, $applicantId) {
   }
 
   // link responsibles
-  $main_rep_id = $addedRepIds[0] ? $addedRepIds[0] : null;
-  $sec_rep_id = $addedRepIds[1] ? $addedRepIds[1] : null;
+  $main_rep_id = isset($addedRepIds[0]) ? $addedRepIds[0] : null;
+  $sec_rep_id = isset($addedRepIds[1]) ? $addedRepIds[1] : null;
 
   $sqlreq = "UPDATE applicant SET fk_applicant_main_responsible=:fk_applicant_main_responsible, fk_applicant_sec_responsible=:fk_applicant_sec_responsible WHERE applicant_id=:applicant_id";
   $query = $pdo->prepare($sqlreq);
@@ -302,7 +298,7 @@ function deletePostulation ($pdo, $id, $sciper, $rep1, $rep2) {
 
   $sqlreq = "UPDATE applicant
 	SET
-  applicant_formation='',
+  applicant_formation=null,
   applicant_it_section=null,
   applicant_formation_location=null,
   applicant_maturity=null,
diff --git a/canapEPFL/models/PersonnalData.php b/canapEPFL/models/PersonnalData.php
index f9cec7be8f3a0b1cece4276b3b8a22664e291d3c..2651558bfdb7b78830945617c7ee1dcec2cc7206 100644
--- a/canapEPFL/models/PersonnalData.php
+++ b/canapEPFL/models/PersonnalData.php
@@ -2,21 +2,10 @@
 require_once(__DIR__ . '/../helpers.php');
 
 class PersonnalData {
+    #region [attributes]
     private $postedData;
-    private $formations = array(
-    "laborantinBiologie" => "laborantinsBiologie",
-    "laborantinChimie" => "laborantinsChimie",
-    "laborantinPhysique" => "laborantinsPhysique",
-    "polyMecanicien" => "Polymecaniciens",
-    "informaticien" => "Informaticiens",
-    "logisticien" => "Logisticiens",
-    "planificateurElectricien" => "PlanificateurElectriciens",
-    "employeCommerce" => "EmployesCommerce",
-    "gardienAnimaux" => "GardiensAnimaux",
-    "electronicien" => "Electroniciens",
-    "interactiveMediaDesigner" => "InteractiveMediaDesigners"
-    );
-    private $dateNow;
+    private $formations = ["laborantinBiologie", "laborantinChimie", "laborantinPhysique", "polyMecanicien", "informaticien", "logisticien",
+        "planificateurElectricien", "employeCommerce", "gardienAnimaux", "electronicien", "interactiveMediaDesigner"];
     public $rootpath = '';
     public $guest_sciper = "";
     public $formation = "";
@@ -45,12 +34,12 @@ class PersonnalData {
     public $stages = [];
     public $dejaCandidat = 0;
     public $anneeCandidature = "";
-    public $datePostulation = "";
     public $fichiers = [];
+    #endregion
 
+    #region [contructor]
     public function __construct($postedData, $postedFiles, $FILESERVERPATH) {
         $this->rootpath = $FILESERVERPATH;
-        $this->dateNow = date('Y-m-d_H-i-s');
         // Rempli les infos
         $this->postedData = $postedData;
         $this->guest_sciper = $postedData['guestSciper'];
@@ -75,7 +64,7 @@ class PersonnalData {
         $this->langueMaternelleApprenti = $postedData['langApp'];
         $this->setLanguages($postedData['languesApp']);
         $this->majeur = $postedData['maj'] == "true" ? 1 : 0;
-        if($this->majeur == "false"){
+        if($this->majeur){
             $this->setRepresentants();
         }
         $this->setScolarite();
@@ -83,11 +72,12 @@ class PersonnalData {
         $this->setStages();
         $this->setDejacand();
         $this->anneeFinScolarite = $postedData['anneeFin'];
-        $this->datePostulation = date('j-n-o--'.'h:i:s');
         $this->fichiers = $this->setFiles($postedFiles);
     }
+    #endregion
 
-    private function setRepresentants(){
+    #region [setters]
+    private function setRepresentants () {
         $rep1 = array("genre"=>$this->postedData['genreRep1'],"nom"=>$this->postedData['nameRep1'],"prenom"=>$this->postedData['surnameRep1'],"addresse"=> array("rue"=>$this->postedData['adrRep1'],"NPA"=>$this->postedData['NPARep1']),"telephone"=>$this->postedData['telRep1']);
         $rep2 = array("genre"=>$this->postedData['genreRep2'],"nom"=>$this->postedData['nameRep2'],"prenom"=>$this->postedData['surnameRep2'],"addresse"=> array("rue"=>$this->postedData['adrRep2'],"NPA"=>$this->postedData['NPARep2']),"telephone"=>$this->postedData['telRep2']);
 
@@ -98,23 +88,23 @@ class PersonnalData {
             array_push($this->representants, $rep2);
         }
     }
-    private function setScolarite(){
+    private function setScolarite () {
         for ($i = 1; $i <= 5; $i++) {
             if (array_key_exists('ecole'.$i, $this->postedData)) {
                 array_push($this->scolarite, array("ecole"=>$this->postedData['ecole'.$i],"lieu"=>$this->postedData['lieuEcole'.$i],"niveau"=>$this->postedData['niveauEcole'.$i],"annees"=>$this->postedData['anneesEcole'.$i]));
             }
         }
     }
-    private function setActivitesPro(){
+    private function setActivitesPro () {
         for ($i = 1; $i <= 3; $i++) {
-            if(array_key_exists('employeurPro'.$i, $this->postedData)){
+            if (array_key_exists('employeurPro'.$i, $this->postedData)) {
                 array_push($this->activitesProfessionnelles,array("employeur"=>$this->postedData['employeurPro'.$i],"lieu"=>$this->postedData['lieuPro'.$i],"activite"=>$this->postedData['activitePro'.$i],"annees"=>$this->postedData['anneesPro'.$i]));
             }
         }
     }
-    private function setStages(){
+    private function setStages () {
         for ($i = 1; $i <= 4; $i++) {
-            if(array_key_exists('activiteStage'.$i, $this->postedData)){
+            if (array_key_exists('activiteStage'.$i, $this->postedData)) {
                 array_push($this->stages,array("metier"=>$this->postedData['activiteStage'.$i],"employeur"=>$this->postedData['entrepriseStage'.$i]));
             }
         }
@@ -132,7 +122,6 @@ class PersonnalData {
             $this->connaissancesLinguistiques = [];
         }
     }
-
     private function setFiles ($postedFiles) {
         // Clear empty files
         foreach ($postedFiles as $key => $file) {
@@ -142,17 +131,12 @@ class PersonnalData {
         }
         return $postedFiles;
     }
+    #endregion
 
-    public function getPaths () {
-        $folderName = $this->dateNow."_".$this->mailApprenti;
-        $path = $this->rootpath.$this->formations[$this->formation].'/'.$folderName.'/';
-        $pathInfos = $path."informations/";
-        $pathAnnexes = $path."annexes/";
-        return ["pathInfos"=>$pathInfos, "pathAnnexes"=>$pathAnnexes, "path"=> $path];
-    }
-
+    #region [getters]
     public function getFormations () {
         return $this->formations;
     }
+    #endregion
 }
 ?>
\ No newline at end of file
diff --git a/canapEPFL/models/PersonnalDataValidator.php b/canapEPFL/models/PersonnalDataValidator.php
index fb9021715ad6871f5ce1d37c0407f76d0273c310..c9bb4bfe8d6339825b759e7f2a38cb36209b0d65 100644
--- a/canapEPFL/models/PersonnalDataValidator.php
+++ b/canapEPFL/models/PersonnalDataValidator.php
@@ -3,14 +3,19 @@ require_once('PersonnalData.php');
 require_once(__DIR__ . '/../helpers.php');
 
 class PersonnalDataValidator {
+    #region [attributes]
     private $personnalData;
     private $errors = array();
+    #endregion
 
+    #region [contructor]
     public function __construct(PersonnalData $personnalData){
         $this->personnalData = $personnalData;
     }
+    #endregion
 
-    public function errors(){
+    #region [validation methods]
+    public function errors () {
         return $this->errors;
     }
 
@@ -79,17 +84,9 @@ class PersonnalDataValidator {
     }
 
     private function representantValid () {
-        if($this->personnalData->majeur == 'false'){
-            //non majeur
-            if(count($this->personnalData->representants) < 1){
+        if ($this->personnalData->majeur) {
+            if (count($this->personnalData->representants) < 1) {
                 $this->errors['representants'] = 'Représentants non valides';
-            } else {
-                // Check les valeurs rentrée par representants
-            }
-        } else {
-            //majeur
-            if(count($this->personnalData->representants) != 0){
-                $this->errors['representants'] = 'Trop de représentants';
             }
         }
     }
@@ -107,20 +104,20 @@ class PersonnalDataValidator {
             $this->errors['adresseMail'] = "Adresse mail non valide";
         }
     }
-    private function isFormationValid(){
-        if (!array_key_exists($this->personnalData->formation, $this->personnalData->getFormations())) {
+    private function isFormationValid () {
+        if (!in_array($this->personnalData->formation, $this->personnalData->getFormations())) {
             $this->errors['formation'] = 'Formation non valide';
         }
     }
-    private function isEcoleValid(){
-        if(count($this->personnalData->scolarite) < 2){
+    private function isEcoleValid () {
+        if (count($this->personnalData->scolarite) < 2) {
             $this->errors['ecole'] = 'Informations école non valides';
         }
     }
     private function anneeFinScolariteValid(){
         $dateToCheck = $this->personnalData->anneeFinScolarite;
 
-        if(!is_null($dateToCheck) || $dateToCheck==""){
+        if(!is_null($dateToCheck) || $dateToCheck == ""){
             if(!is_numeric($dateToCheck)){
                 $this->errors['anneeFinScolarite'] = 'Année de fin de scolarité non valide';
             }
@@ -149,5 +146,6 @@ class PersonnalDataValidator {
             }
         }
     }
+    #endregion
 }
 ?>
\ No newline at end of file
diff --git a/canapEPFL/templates/head.php b/canapEPFL/templates/head.php
index 40941b94399f7ca5b432c998964db8c7ff38f48e..a36209e16361b761b7ef4ac85a35090d220a772c 100644
--- a/canapEPFL/templates/head.php
+++ b/canapEPFL/templates/head.php
@@ -18,15 +18,14 @@
   window.dataLayer = window.dataLayer || [];
   function gtag(){dataLayer.push(arguments);}
   gtag('js', new Date());
-
   gtag('config', 'UA-130041798-1', { 'anonymize_ip': true });
 </script>
 <?php
-  ini_set("display_errors", 0);
-  error_reporting(0);
+  // ini_set("display_errors", 0);
+  // error_reporting(0);
   // ini_set("display_errors", 1);
   // error_reporting(E_ALL);
   require_once('configs/config.php');
   require('configs/db.php');
-  session_start();
+  if (!isset($_SESSION)) { session_start(); }
 ?>
\ No newline at end of file