public function parseSticker($stickerObject) { $sticker = new Sticker(); $sticker->setFileId($stickerObject->file_id); $sticker->setWidth($stickerObject->width); $sticker->setHeight($stickerObject->height); if (property_exists($stickerObject, 'thumb')) { $sticker->setThumb($this->parsePhotoSize($stickerObject->thumb)); } if (property_exists($stickerObject, 'file_size')) { $sticker->setFileSize($stickerObject->file_size); } return $sticker; }