PHP Manual: Set the UID of the current process

Description

bool posix_setuid(int $user_id)

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.

Parameters

user_id: The user id.

Return Values

Returns true on success or false on failure.

Examples

Example #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
?>

posix_setuid

Description

Parameters

Return Values

Examples

See Also