rename函数操作失败请高手帮忙解决!
<?
rename("1.txt","2.txt");
?>
Warning: rename(1.txt,2.txt): Permission denied in /usr/web/rename.php on line 2
<?
rename("3","4");
?>
Warning: rename(3,4): Permission denied in /usr/web/rename.php on line 2
不管是改目录还是文件都是上面这个错误,目录的属性是777文件是666,难道rename在unix中不能用?在win2k中测试通过,怎么回事?