posix_seteuid

(PHP 4 >= 4.0.2, PHP 5)

posix_seteuid -- Set the effective UID of the current process

Description

bool posix_seteuid ( int uid )

Set the real user ID of the current process. This is a privileged function and you need appropriate privileges (usually root) on your system to be able to perform this function.

如果成功则返回 TRUE，失败则返回 FALSE。