(PHP 4 >= 4.0.2, PHP 5)
posix_seteuid — Set the effective UID of the current process
Set the real user ID of the current process. This is a privileged function and needs appropriate privileges (usually root) on the system to be able to perform this function.
The user id.
Siker esetén TRUE értékkel tér vissza, ellenkező esetben FALSE értéket ad.