posix_getgid

(3.0.10 - 3.0.18 only, PHP 4 >= 4.0.0)

posix_getgid --  Return the real group ID of the current process

Description

int posix_getgid (void)

Return the numeric real group ID of the current process. See also posix_getgrgid() for information on how to convert this into a useable group name.