posix_getegid

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

posix_getegid -- Return the effective group ID of the current process

Description

int posix_getegid ( void )

Return the numeric effective group ID of the current process.

Notes

posix_getegid() is different than posix_getgid() by you can change the effective group ID of a calling process using the posix_setegid().

Return Values

Returns an integer of the effective group ID.

Examples

Example 1. posix_getegid() example

This example will print out your effective group id, once you change it with posix_setegid().

#!/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_getgid() get real group id.
posix_setgid() change the effective group id