purge.php

<?php

header( 'Content-Type: text/html' );
header( 'Cache-Control: no-cache' );
$password = 'xxx';
$hostname = 'https://xxx.com';

function purgeURL( $hostname, $port, $purgeHOST, $purgeURL )
{
    $finalURL = sprintf( "%s%s", $hostname, $purgeURL );

    $output = "PURGE $purgeHOST$purgeURL\n";

    $curlOptionList = array(
        CURLOPT_CUSTOMREQUEST     => 'PURGE',
        CURLOPT_RETURNTRANSFER    => true,
        CURLOPT_HEADER            => true, 
        CURLOPT_NOBODY            => true,
        CURLOPT_URL               => $finalURL,
        CURLOPT_CONNECTTIMEOUT_MS => 2000,
        CURLOPT_HTTPHEADER        => array("Host: $purgeHOST"),
        CURLOPT_VERBOSE           => true
    );

    $curlHandler = curl_init();
    curl_setopt_array( $curlHandler, $curlOptionList );
    $output .= curl_exec( $curlHandler );
    curl_close( $curlHandler );

    return $output;
}
?>

<form id="foo" method=post>
password <input type=password name=password size=10>
host <input type=text value=test.urgente24.com name=host>
url <input type=text value=/ name=url>
home? <input type=checkbox value=1 name=home>
<button id="btn1">Purgar</button>
</form>
<div id="msg"></div>
<script>
$(document).ready(function(){
  $("#foo").submit(function(){
     $("#msg").html('Cargando...');
     var values = $("#foo").serialize();
     $.ajax({
       type: "POST",
       url: "purge.php",
       data: values,
       success: function(data){ $("#msg").html(values); }
     }); 
  });
});
</script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<?php

if (isset($_POST['host'])) {
    if ($_POST['password'] == $password) {
   	$output = purgeURL( $hostname, $port, $_POST['host'], $_POST['url'] );
	if ($_POST['home']) {
		$output .= purgeURL( $hostname, $port, $_POST['host'], '/' );
	}
    } else {
	$output = 'Password incorrecto';
    }

    echo "<pre>$output</pre>";
}
?>