class ArticlesController extends Controller
{
    public function view($id)
    {
        $article = $this->Articles->get($id);

        if (!$article->published) {
            $this->redirect(['action' => 'index']);
            // This code is unreachable but not obvious!
            $this->Flash->error('Article not found');
        }

        $this->set(compact('article'));
    }

    public function edit($id)
    {
        // ...

        if ($this->request->is('ajax')) {
            $this->render('ajax_form');
            // Unreachable code that might confuse developers
            $this->set('debug', true);
        }
    }
}

  class ArticlesController extends Controller
  {
      public function view($id)
      {
          $article = $this->Articles->get($id);

          if (!$article->published) {
              // Explicit return makes it clear execution stops here
              return $this->redirect(['action' => 'index']);
          }

          $this->set(compact('article'));
      }

      public function edit($id)
      {
          // ...

          if ($this->request->is('ajax')) {
              // Clear that this terminates the action
              return $this->render('ajax_form');
          }

          // Regular flow continues here
          $this->set('title', 'Edit Article');
      }
  }