'; imagedestroy($code); } header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 header ("Pragma: no-cache"); // HTTP/1.0 header("Content-Type: image/png"); imagepng($code_img); imagedestroy($code_img); //session_register('access_code'); $_SESSION['access_code'] = $access_code; ?>