php使用qrcode生成二维码，并合成为一张图

1.载入phpqrcode，并使用合成图片

include('phpqrcode.php");
$filename = "xxx.png";//图片路径
$errorCorrectionLevel = 'L';//容错级别
$matrixPointSize = 3; //生成图大小
$url = 'http://idiot6.com';
QRcode::png($url, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
$QR = "xxx.png";     // qr
$logo = 'layout-bg-1.png';// bg
 
$QR = imagecreatefromstring ( file_get_contents ( $QR ) );   //open picture source 
$logo = imagecreatefromstring ( file_get_contents ( $logo ) ); //open picture source  
 
imagecopyresampled ( $logo, $QR,565,215,0,0,154,154,$QR_width, $QR_height ); // mixed picture
$result_png = rand(100000, 999999) . uniqid() . ".png"; // file name
$file = '/data/www/upload/qrcode/' . $result_png;
imagepng ( $logo, $file );//output picture

2.qrcode download