public function ean() { if (isset($this->request->get['text'])) { require DIR_SYSTEM . "library/barcode.php"; $barcode = new Barcode(); $widthScale = isset($this->request->get['widthScale']) ? $this->request->get['widthScale'] : 1; $height = isset($this->request->get['height']) ? $this->request->get['height'] : 50; $barcode->code39($this->request->get['text'], $height, $widthScale); } }