posix_setgid

(PHP 3 >= 3.0.13, PHP 4, PHP 5)

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 needs appropriate privileges (usually root) on the system to be able to perform this function. The appropriate order of function calls is posix_setgid() first, posix_setuid() last.

Opmerking: If the caller is a super user, this will also set the effective group id.

Parameters

gid

The group id.

Return Values

Geeft TRUE terug bij succes, FALSE indien er een fout is opgetreden.

Voorbeelden

Voorbeeld 1. posix_setgid() example

This example will print out the effective group id, once it is changed.

<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setgid(40);
echo
'My real group id is '.posix_getgid(); //40
echo 'My effective group id is '.posix_getegid(); //40
?>

Zie ook

posix_getgrgid() for information on how to convert this into a useable group name
posix_getgid() get real group id.