Warning: fopen(): open_basedir restriction in effect. File(/tmp/phpzIHwuu) is not within the allowed path(s): (/home) in /home/yntourist/photo/upload.php on line 2

Warning: fopen(/tmp/phpzIHwuu): failed to open stream: Operation not permitted in /home/yntourist/photo/upload.php on line 2

Warning: filesize(): open_basedir restriction in effect. File(/tmp/phpzIHwuu) is not within the allowed path(s): (/home) in /home/yntourist/photo/upload.php on line 3

Warning: fread(): supplied argument is not a valid stream resource in /home/yntourist/photo/upload.php on line 3

Warning: filesize(): open_basedir restriction in effect. File(/tmp/phpzIHwuu) is not within the allowed path(s): (/home) in /home/yntourist/photo/upload.php on line 4

Warning: filetype(): open_basedir restriction in effect. File(/tmp/phpzIHwuu) is not within the allowed path(s): (/home) in /home/yntourist/photo/upload.php on line 5

上面的错误信息，然后我请教了管理员，她说是：请修改一下论坛代码，因为你的页面代码需要调用 /tmp的临时目录，也就是说跳出自己的主目录去执行，现在为了安全，限制php语句只能在自己的主目录中运行，所以，请修改自己的页面代码！

然后另外一个人也这么说的：
因为他使用的是文件上传,所以系统会把上传的文件临时存放在/tmp目录下面,使用完后,系统会自己删除这个文件,这是正常的.
我自己写了一个相册程序,发现根本无法使用文件上传功能:

到底是谁的正确？大侠解释一下，给个好的解决方法！！
补充：我也是做网络相册的时候遇到这个问题的！！！小弟这里先谢谢了％％％％＃◎￥＃