posix_setuid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_setuidSet the UID of the current process

Descrição

posix_setuid(int $user_id): bool

Set the real user ID of the current process. This is a privileged function that needs appropriate privileges (usually root) on the system to be able to perform this function.

Parâmetros

user_id

The user id.

Valor Retornado

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

Exemplos

Exemplo #1 posix_setuid() example

This example will show the current user id and then set it to a different value.

<?php
echo posix_getuid()."\n"; //10001
echo posix_geteuid()."\n"; //10001
posix_setuid(10000);
echo
posix_getuid()."\n"; //10000
echo posix_geteuid()."\n"; //10000
?>

Veja Também