Online PHP editor | output for Z340M

<?php // http://sudobash.net/?p=736 session_start(); session_destroy(); if(!isset($_POST['user'])){?> <?}?> <?if(isset($_POST['user'])) { ?> <?php include 'conf.php'; // Don't display the warnings - we are already setup to annoy the user ini_set( "display_errors", 0); // No funny stuff! $user = htmlspecialchars($_POST['user']); $user = explode(" ", $user); $user = $user[0]; $user = preg_replace("/[^a-zA-Z0-9_]/", "", $user); $filter = "admin=" . $user; // Connect to the LDAP server. $ldapconn = ldap_connect($server, $port) or die("Could not connect to " . $server . ":" . $port . "."); // Bind with rootreader to the LDAP server to search and retrieve DN. $ldapbind = ldap_bind($ldapconn) or die("Could not bind - contact admin@adamskalicky.com"); $result = ldap_search($ldapconn,$basedn,$filter) or die ("Search error."); $entries = ldap_get_entries($ldapconn, $result); $binddn = $entries[0]["dn"]; // Bind again using the DN retrieved. If this bind is successful, // then the user has managed to authenticate. $ldapbind = ldap_bind($ldapconn, $binddn, $_POST['password']); if ($ldapbind) { echo "<center><h2>Successful authentication for <span style='color: #000;'>" . $user . "</span></center>"; ?> <table align="center" height="200px" id="content"> <tr> <td valign="middle"> <form action="restricted.php" method="post"> <input type="hidden" name='user' value="<?=$user;?>" > <input type="submit" value="Great, Let's go!" > </form> </td> </tr> </table> <? } else { echo "<center><h2>Failed authentication for <span style='color: #000;'>" . $user . "</span><br /><br /> <a href='login.php'>Try again</a></center>"; } ldap_close($ldapconn); ?> <?}?>