Get Intranet windows username in php

Question

i can get the windows username in my system but i need to retrieve the windows username from **visitors**. 

Visitor means not internet am saying about intranet .

Am developing intranet website for this only i need:

Below the code for your reference:-

/* to get the windows username */
$nw = new COM("WScript.Network");
print "username: " . $nw->username . "<br><br>";
$computername = $nw->computername;
print "computername: $computername<br>";
$owmi = new COM("winmgmts:\\\\$computername\\root\\cimv2");
$comp = $owmi->get("win32_computersystem.name='$computername'" );
print "username: " . $comp->username; echo "<br>";
/* to get the windows username */

Answer 1

Depending on your php version use $_SERVER['AUTH_USER'] or $_SERVER['PHP_AUTH_USER'], one of those should work.

See here for more info

See here for basic authentication

See here for NTLM authentication