(PHP 3>= 3.0.13, PHP 4 >= 4.0b4)
posix_setuid -- Set the effective UID of the current process
Description
bool posix_setuid
(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.
Returns TRUE on success, FALSE otherwise. See also posix_setgid().