W3cubDocs

/PHP

posix_geteuid

(PHP 4, PHP 5, PHP 7)

posix_geteuid — Return the effective user ID of the current process

Description

posix_geteuid ( ) : int

Return the numeric effective user ID of the current process. See also posix_getpwuid() for information on how to convert this into a useable username.

Return Values

Returns the user id, as an int

Examples

Example #1 posix_geteuid() example

This example will show the current user id then set the effective user id to a separate id using posix_seteuid(), then show the difference between the real id and the effective id.

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

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-geteuid.php