(PHP 3>= 3.0.13, PHP 4 >= 4.0b4)
posix_setgid -- Set the effective GID of the current process
Description
bool posix_setgid (int gid)
Set the real group 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. The appropriate order of function calls is posix_setgid() first, posix_setuid() last.
Returns TRUE on success, FALSE otherwise.
