function createFDF($file,$info){
    $data="%FDF-1.2\n%âãÏÓ\n1 0 obj\n<< \n/FDF << /Fields [ ";
    while(list($field,$val)=@each($info))
        $data.='<< /V ('.trim($val).')/T ('.$field.')>> ';
    $data.="] \n/F (".$file.")/ID [ <4192533d140e0d029c26a59d78feccb4>".
        "<252e6f3e8dd819eb3954800ab61dd5fc>\n] >> \n>> \nendobj\ntrailer\n".
        "<<\n/Root 1 0 R \n\n>>\n%%EOF\n";
    return $data;
}

header ("Content-Type: application/vnd.fdf");
print $data;