<?php
    $dbhost = "localhost";
    $dbuser = "minecraft";
    $dbpass = "passhere";
    $db = "minecraft";

    $username = mysql_real_escape_string( $_POST["user"] );
    $password = mysql_real_escape_string( $_POST["password"] );
    $version = mysql_real_escape_string( $_POST["version"] );

    mysql_connect( $dbhost, $dbuser, $dbpass ) or die( "Unable to connect!" );
    mysql_select_db( $db );

    if( isset($username) && isset($password) && isset($version) ){
        echo "2:derp:k4den0:1337";
    } else {
        echo "Error.";
    }

?>