posix_setuidPHP ManualPrevNextposix_setuidposix_setuid -- Set the effective UID of the current process Descriptionbool 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().PrevHomeNextposix_getegidUpposix_setgid