Render qr codes

qrcode.php

<?php

  public function QrcodeAction () {
    $url = $this->getParam("url");
    $codeSettings = array(
      'text' => $url,
      'backgroundColor' => '#FFFFFF',
      'foreColor' => '#000000',
      'padding' => 0,  //array(10,5,10,5),
      'moduleSize' => 10
    );
    $renderSettings = array();
    $code = Pimcore_Image_Matrixcode::render('qrcode', $codeSettings, "svg", $renderSettings);
    echo $code;
    exit;
  }