Curl header checker

<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml" lang="en">
    <head>
      <title>PHP HEADER CHECKER</title>
      <meta http-equiv="Content-Type" content="application/vnd.wap.xhtml+xml; charset=utf-8" />
     <meta name="viewport" content="width=device-width,initial-scale=1">
<b><font color="lime">Enter host or ip whose headers you want to view</font></b>

  </head>
<style>body {
background-color: black;
color: #303030;
} input, button {
color : #00ff00;
background-color : black;
border : 1px solid #303030;
} form {
margin: 0;
padding: 0;
} </style>
<form method="post">
<input name="put" type="text" value="">
<br/><br/>
<input type="submit"name="get"value="Submit"/></form>
<?php


    function parseHeaders($data)
    {
        $headers = explode("\r\n", $data);
        foreach($headers as $i => $header)
        {
            $value = explode(' ', $header);
            $key = $value[0];
            array_shift($value);
            $return[strtolower(trim($key, ':'))] = implode(' ', $value);
        }
        return $return;
    }

   function makeHeaders($headers)
    {

        foreach($headers as $key => $value)
        {
$kalimat = strtoupper($key);
            $string .= "<b>$kalimat</b> => $value" . "<br/>";
        }
        $string .= "<br/>";
        return $string;
    }
?>
<?
function http_head_curl($url,$timeout=10)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_USERAGENT,"Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0");
    curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_HEADER, 1);
    curl_setopt($ch, CURLOPT_NOBODY, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $res = curl_exec($ch);
    if ($res === false) {
      echo "Your input is not valid";
    }
    return trim($res);
}
?>
<?
if($_POST['get']){
$pt=$_POST['put'];
if(empty($pt)){
echo '<font color="white"><br/>You entered is :</font> <font color="red">Empty</font>';
}else{
$qfs = str_replace("http://","",$pt);
$ur = str_replace("https://","",$qfs);
$fok = http_head_curl('http://'.$ur.'',5);
$parts = explode("\r\n",$fok);
$party = implode("<br/>",$parts);
$tpl = parseHeaders($fok);
$done = makeHeaders($tpl);
if(preg_match("/CONTENT-TYPE/",$done)){
echo '<font color="white"><br/>You entered is :</font><font color="lime">'.$ur.'</font><font color="white"><br/>'.$done.'</font>';
}else{
$uri = str_replace("=>",'<font color="white"><br/>You entered is :</font> <font color="red">'.$ur.'</font><font color="red"><br/>You entered is not valid or fraud</font>',$done);
echo $uri;
}
}
}
?>

<center><font color="white">Powered by wehandler<br/>
<?php echo ''.$_SERVER['HTTP_HOST'].' - &copy; '.$now.''; ?></font><br/>
</center>