CakeDC\Users\Controller\Traits\SimpleCrudTrait::edit PHP Method

    public function edit($id = null)
    {
        $table = $this->loadModel();
        $tableAlias = $table->alias();
        $entity = $table->get($id, ['contain' => []]);
        $this->set($tableAlias, $entity);
        $this->set('tableAlias', $tableAlias);
        $this->set('_serialize', [$tableAlias, 'tableAlias']);
        if (!$this->request->is(['patch', 'post', 'put'])) {
            return;
        }
        $entity = $table->patchEntity($entity, $this->request->data);
        $singular = Inflector::singularize(Inflector::humanize($tableAlias));
        if ($table->save($entity)) {
            $this->Flash->success(__d('CakeDC/Users', 'The {0} has been saved', $singular));
            return $this->redirect(['action' => 'index']);
        }
        $this->Flash->error(__d('CakeDC/Users', 'The {0} could not be saved', $singular));
    }