PHP. Руководство по PHP. 2005
posix_seteuid
posix_seteuid
(PHP4>= 4.0.2, PHP5)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.
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
See also
posix_setegid
posix_setgid