public function actionGetDocumentBySubject() { $request = Yii::$app->request; try { $subject = HtmlPurifier::process($request->get('id', '')); $documents = Documents::getDocumentsBySubject($subject); $subject_name = Subjects::findOne(['id' => $subject])->name; Yii::$app->view->title = 'Tài liệu môn ' . $subject_name; Yii::$app->view->registerMetaTag(['name' => 'description', 'content' => 'Bluebee-UET.com - Tài liệu môn ' . $subject_name]); Yii::$app->view->registerMetaTag(['property' => 'og:title', 'content' => 'Bluebee-UET.com - Tài liệu môn ' . $subject_name]); Yii::$app->view->registerMetaTag(['property' => 'og:description', 'content' => 'Bluebee-UET.com - Tài liệu môn ' . $subject_name]); Yii::$app->view->registerMetaTag(['property' => 'og:image', 'content' => 'http://bluebee-uet.com/img/logo.jpg']); return $this->render('documents', $documents); } catch (Exception $ex) { } }