posix_setegid

(PHP 4 >= 4.0.2, PHP 5)

posix_setegid — Set the effective GID of the current process

Description

bool posix_setegid ( int $gid )

Set the effective 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.

Parameters

gid

The group id.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 posix_setegid() example

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

<?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
?>

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