<?php

// Kullanici Listesi

$kul[0]['username']="k.adi";
$kul[0]['password']="şifre";


// Dogrulama

function authenticate()
        {
    header( 'WWW-Authenticate: Basic realm="Private"' );
    header( 'HTTP/1.0 401 Unauthorized' );
    echo 'Şifre yada kullanıcı Adınız Yanlış';
    exit;
        }

if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW'])) { authenticate(); } else
        {
        for($i=0;$i<count($kul);$i++) { if($_SERVER['PHP_AUTH_USER']==$kul[$i]['username'] && $_SERVER['PHP_AUTH_PW']==$kul[$i]['password']){$auth=TRUE;}}
        if($auth !=TRUE) {authenticate();}
        }

?>