function doDisplay() { $this->view->set('category', Category::findAllCategories()); if (isset($_COOKIE['category_detail'])) { $this->view->set('category_detail', $_COOKIE['category_detail']); } else { $this->view->set('category_detail', array()); } if (isset($_COOKIE['project_detail'])) { $this->view->set('project_detail', $_COOKIE['project_detail']); } else { $this->view->set('project_detail', array()); } }