posix_geteuid

(PHP 3 >= 3.0.10, PHP 4, PHP 5)

posix_geteuid -- Return the effective user ID of the current process

Description

int posix_geteuid ( void )

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.

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.

#!/usr/local/bin/php
<?php
echo posix_getuid().'\n'; //10001
echo posix_geteuid().'\n'; //10001
posix_seteuid(10000);
echo
posix_getuid().'\n'; //10001
echo posix_geteuid().'\n'; //10000
?>

Return Values

Returns the user id, as an integer

See Also

posix_getpwuid() for more information about the user.
posix_getuid() get real user id.
posix_setuid() change the effective user id
POSIX man page GETEUID(2)