phpday 2021 digital edition

posix_setegid

(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)

posix_setegidSet the effective GID of the current process

Descrição

posix_setegid ( int $group_id ) : 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.

Parâmetros

group_id

The group id.

Valor Retornado

Retorna true em caso de sucesso ou false em caso de falha.

Exemplos

Exemplo #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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