Code and CSS fixed & prettied for easier reading/handeling
Fixed old constructors and replaced =& with =
$HTTP_RAW_POST_DATA to file_get_contents( 'php://input' )
$HTTP_ENV_VARS to $_ENV
$HTTP_SERVER_VARS to $_SERVER
$HTTP_SESSION_VARS to $_SESSION
$HTTP_POST_VARS to $_POST
$HTTP_COOKIE_VARS to $_COOKIE