Laravel使用PHPQRCODE生成带有LOGO的二维码图片

/**
* 利用phpqrcode来实现生成带有logo的二维码图片
*/
public function getQrCode(Request $request){
    $type  =  $request->input('type');//传递的类型 ios | android
    require_once(dirname(__FILE__) . '/phpqrcode/' . 'phpqrcode.php');
    $errorCorrectionLevel = 'H'; // 错误校正
    $matrixPointSize = 5; // 边界空白位置
    $QRcode =  new \QRcode;
    if($type){
      if($type == 'ios'){
        $value =  'http://www.ios.com'; // 二维码存放的内容
        $QRcode->png($value, 'ios.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
        //echo "二维码已生成";
        $logo = 'logo.png';//logo的图片地址
        //echo " <img src='../../../public/logo.png'>";
        $QR = 'ios.png'; //二维码图片地址
        //echo " <img src='../../../ios.png'>";
        if($logo !== FALSE){
          $QR = imagecreatefromstring(file_get_contents($QR));
          $logo = imagecreatefromstring(file_get_contents($logo));
          $QR_width = imagesx($QR);
          $QR_height = imagesy($QR);
          $logo_width = imagesx($logo);
          $logo_height = imagesy($logo);
          $logo_qr_width = $QR_width / 5;
          $scale = $logo_width / $logo_qr_width;
          $logo_qr_height = $logo_height / $scale;
          $from_width = ($QR_width - $logo_qr_width) / 2;
          imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height);
        }
        imagepng($QR,'ios.png'); //跟logo合并之后的地址
        $a   =  'http://www.ios.com/ios.png';
        $status =  0;
        $msg  =  $a;
      }elseif($type == 'android'){
          $value =  'http://www.android.com'; // 二维码存放的内容
          //var_dump($value);
          $QRcode->png($value, 'android.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
          //echo "二维码已生成";
          $logo = 'logo.png';//logo的图片地址
          //echo " <img src='../../../public/logo.png'>";
          $QR = 'android.png'; //二维码图片地址
          //echo " <img src='../../../android.png'>";
          if($logo !== FALSE){
            $QR = imagecreatefromstring(file_get_contents($QR));
            $logo = imagecreatefromstring(file_get_contents($logo));
            $QR_width = imagesx($QR);
            $QR_height = imagesy($QR);
            $logo_width = imagesx($logo);
            $logo_height = imagesy($logo);
            $logo_qr_width = $QR_width / 5;
            $scale = $logo_width / $logo_qr_width;
            $logo_qr_height = $logo_height / $scale;
            $from_width = ($QR_width - $logo_qr_width) / 2;
            imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height);
          }
          imagepng($QR,'android.png'); //跟logo合并之后的地址
          $a   =  'http://www.android.com/android.png';
          $status =  0;
          $msg  =  $a;
      }else{
        $status =  1;
        $msg  =  '没有该类型！';
      }
      //QRcode::png($value, 'sunny.png', $errorCorrectionLevel, $matrixPointSize, 2); //生成二维码
    }else{
      $status =  2;
      $msg  =  '参数传递不完整！';
    }
    return response()->json(['status' => $status,'msg' => $msg])->header('Access-Control-Allow-Origin', '*');
}

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