Retiens le précédent nom d'un visiteur non connecté

src/Silex/Controller/VisitorController.php

@@ -53,6 +53,7 @@ class VisitorController {
         if ($author !== null) {
             $comment->setAuthor($author);
         } else {
+            $_SESSION['previous_name'] = $_POST['name'];
             $comment->setAuthorName($_POST['name']);
         }
         $di->getCommentGateway()->insert($comment);

views/newsView.php

@@ -39,7 +39,7 @@ $title = $news->getTitle();
             <div class="field">
                 <label class="label" for="name">Name</label>
                 <div class="control">
-                    <input class="input" id="name" name="name">
+                    <input class="input" id="name" name="name" value="<?= $_SESSION['previous_name'] ?? '' ?>">
                 </div>
             </div>
         <?php endif; ?>