Barcode::render

public function render(string $data)
{
	if ($this->format === BarcodeDictionary::FORMAT_SVG)
	{
		return $this->generator->render_svg($this->type, $data, $this->options);
	}

	$image = $this->generator->render_image($this->type, $data, $this->options);

	ob_start();
	switch ($this->format)
	{
		case BarcodeDictionary::FORMAT_PNG:
			imagepng($image);
			break;
		case BarcodeDictionary::FORMAT_GIF:
			imagegif($image);
			break;
		case BarcodeDictionary::FORMAT_JPEG:
			imagejpeg($image);
			break;
	}
	imagedestroy($image);

	return ob_get_clean();
}