CraftaShop fix

AdminController.php

<?php
// controller/AdminController.php

 function description($action=null) {
                $this->loadModel("Configs");
                $datas["configs"] = $this->Configs->listed("Presentation");

                $datas["messages"] = $this->Configs->listed("Message");

                $this->set($datas);

                if ($this->request->data) {
                        $update = false;
                        foreach ($this->request->data as $key => $value) {
                                if($key != "checkbox") {
                                        $update = $this->Configs->updt(array('config_text' => $value), $key) && update;
                                }
                        }

                        if ($update) {
                                $this->Session->setFlash("Félicitations, vous venez de modifier la description.", "success");
                        }

                        $this->redirect("previous");
                        exit;
                }

        }