<?php
        /*
        DATABASE INFO FOR steamids
        1       userid  int(11) //when u have login and register system, here u put user's id
        2       steamid varchar(30)
        3       profileurl      text
        4       nickname        varchar(50)
        5       name    varchar(50)
        6       avatar  text
        */
        $api = "";
        include 'includes/lightopenid/openid.php';
        // DOWNLOAD IT HERE IF U DONT HAVE IT
        // http://pastebin.com/xqEgaeX9

        mysql_connect("localhost","root","");
        mysql_select_db("steam"); // change steam into your database name

        $my_id = "steam"; //change steam into user's id
        $OpenID = new LightOpenID("localhost");

        if(isset($_GET['disconnect'])) {
                mysql_query("DELETE FROM steamids WHERE userid='$my_id'");
        }

        $query = mysql_query("SELECT * FROM steamids WHERE userid='$my_id'");

        $rows = mysql_num_rows($query);


        if($rows == 0) {
                if(!$OpenID->mode) {
                        $OpenID->identity = "https://steamcommunity.com/openid/";
                        $logmein = $OpenID->authUrl();

                        echo "<a href=$logmein><img src='http://steamcommunity-a.akamaihd.net/public/images/signinthroughsteam/sits_large_noborder.png' /></a>";

                } elseif($openid->mode == 'cancel') {
                        echo 'User has canceled authentication!';
                } else {
                        $_SESSION['T2SteamAuth'] = $OpenID->validate() ? $OpenID->identity : null;
                        $_SESSION['T2SteamID64'] = str_replace("http://steamcommunity.com/openid/id/", "", $_SESSION['T2SteamAuth']);
                        if($_SESSION['T2SteamAuth'] !== null) {
                                $steamidonly = $_SESSION['T2SteamID64'];
                                $query = mysql_query("INSERT INTO steamids VALUES('$my_id','$steamidonly','','','','')");
                        }
                        header("Location: login_steam.php"); //change it to your file
                }
        } else {
                $resultid = mysql_result($query, 0, 'steamid');

                $getcontent = file_get_contents("http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=$api&steamids=$resultid");
                $data = json_decode($getcontent);
                $user_steamid = $data->response->players[0]->steamid;
                $personaname = $data->response->players[0]->personaname;
                $profileurl = $data->response->players[0]->profileurl;
                $avatarfull = $data->response->players[0]->avatarfull;
                $realname = $data->response->players[0]->realname;
                mysql_query("UPDATE steamids SET profileurl='$profileurl', nickname='$personaname', name='$realname', avatar='$avatarfull'");

                //EXAMPLE
                echo "<a href='$profileurl'><img src='$avatarfull' width='50px'></a>
                $personaname<br>
                <a href='?disconnect'><input type='button' value='DISCONNECT'></a> ";
        }

?>