PbootCMS附件上传失败报错UNKNOW： Code： 8192; Desc： stripos()：

　　PbootCMS附件上传时报错：

　　上传失败：UNKNOW: Code: 8192; Desc: stripos(): Non-string needles will be interpreted as strings in the future. Use an explicit chr() call to preserve the current behavior; File: /www/wwwroot/aaa.xxxx.com/core/function/file.php; Line: 176;

　　打开/core/function/file.php，搜索以下

　　替换成