posix_setuid
(PHP 3>= 3.0.13, PHP 4 , PHP 5)
posix_setuid -- Set the 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. Смотрите также posix_setgid().