php laravel 二维码

public function qr($url,$name2,$inpath){
    require_once(dirname(__FILE__) . '/../../../Library/phpqrcode/phpqrcode.php');

    $errorCorrectionLevel = 'L';//容错级别
    $matrixPointSize = 10;//生成图片大小
    $QRcode =new \QRcode() ;
    $QRcode->png($url, $inpath.$name2, $errorCorrectionLevel, $matrixPointSize, 2);

    $logo = FALSE;//准备好的logo图片
    //$logo = './admin/static/picture/2.jpg';//准备好的logo图片

    if ($logo !== FALSE) {
        $QR = imagecreatefromstring(file_get_contents($name2));
        $logo = imagecreatefromstring(file_get_contents($logo));
        $QR_width = imagesx($QR);//二维码图片宽度
        $QR_height = imagesy($QR);//二维码图片高度
        $logo_width = imagesx($logo);//logo图片宽度
        $logo_height = imagesy($logo);//logo图片高度
        $logo_qr_width = $QR_width / 5;
        $scale = $logo_width/$logo_qr_width;
        $logo_qr_height = $logo_height/$scale;
        $from_width = ($QR_width - $logo_qr_width) / 2;
        //重新组合图片并调整大小
        imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width,
            $logo_qr_height, $logo_width+5, $logo_height+5
        );
    }

    //输出图片
    //imagepng($name2,$name2,'','');
}

1 .phpqrcode类库下载地址

PHP QR Code download | SourceForge.net