posix_getgid

(PHP 3 >= 3.0.10, PHP 4, PHP 5)

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.

Examples

Example 1. posix_getgid() example

This example will print out your real group id, even once you have changed your effective group id.

#!/usr/local/bin/php
<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setegid(40);
echo
'My real group id is '.posix_getgid(); //20
echo 'My effective group id is '.posix_getegid(); //40
?>

See Also

posix_getgrgid() for information on how to convert this into a useable group name
posix_getegid() get effective group id.
posix_setgid() change the effective group id
POSIX man page GETGID(2)

Return Values

Returns the real group id, as an integer.