posix_setuid

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

posix_setuid — Set the UID of the current process

Опис

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.

Параметри

user_id: The user id.

Значення, що повертаються

Повертає true у разі успіху або false в разі помилки.

Приклади

Приклад #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
?>

Прогляньте також

posix_setgid() - Set the GID of the current process
posix_seteuid() - Set the effective UID of the current process
posix_getuid() - Return the real user ID of the current process
posix_geteuid() - Return the effective user ID of the current process