ZZWX/wechat/WxPay/phprcode_fx/qrcode.php

<?php
error_reporting(E_ERROR);
require_once 'phpqrcode/phpqrcode.php';
$u ='http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
$data =  strchr($u,'data=')  ;
$url_t = substr($data,5)  ;
$url = urldecode($url_t);
QRcode::png($url);