<?php
 namespace TechOnline\Utils; class QrcodeUtil { public static function png($content, $size = 200) { $renderer = new \BaconQrCode\Renderer\Image\Png(); $renderer->setMargin(0); $renderer->setHeight($size); $renderer->setWidth($size); $writer = new \BaconQrCode\Writer($renderer); return $writer->writeString($content); } }