public function actionTest() { $model = Parcels::findOne(1); $array = Parcels::generateMailArray($model); $content = $this->renderPartial('_letter', ['array' => $array]); // return $this->renderPartial('_letter', [ // 'array' => $array]); $pdf = new Pdf(['mode' => Pdf::MODE_UTF8, 'format' => Pdf::FORMAT_A4, 'orientation' => Pdf::ORIENT_PORTRAIT, 'defaultFontSize' => 2, 'destination' => Pdf::DEST_BROWSER, 'content' => $content]); return $pdf->render(); }