(3.0.13 - 3.0.18 only, PHP 4 >= 4.0.0)
posix_setgid -- Set the 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.
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