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posix_setegid

(PHP 4 >= 4.0.2, PHP 5, PHP 7)

posix_setegidSet the effective GID of the current process

Description

posix_setegid ( int $gid ) : bool

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
?>

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.posix-setegid.php