A PHP Error was encountered

Severity: Warning

Message: file_put_contents(d:\wwwroot\hgzc.com/assets/image/QRcode/316332_LFR5206-25NPP*R5206-252RS_58_20.png) [function.file-put-contents]: failed to open stream: Invalid argument

Filename: libraries/My_wechat_class.php

Line Number: 125

Backtrace:

File: D:\wwwroot\hgzc.com\application\libraries\My_wechat_class.php
Line: 125
Function: file_put_contents

File: D:\wwwroot\hgzc.com\application\controllers\product.php
Line: 1159
Function: getWxQRcode

File: D:\wwwroot\hgzc.com\index.php
Line: 317
Function: require_once