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<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Aidan Lister <aidan@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: get_headers.php,v 1.1 2005/05/10 07:50:53 aidan Exp $
/**
* Replace get_headers()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.get_headers
* @author Aeontech <aeontech@gmail.com>
* @author Cpurruc <cpurruc@fh-landshut.de>
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.1 $
* @since PHP 5.0.0
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('get_headers')) {
function get_headers($url, $format = 0)
{
// Init
$urlinfo = parse_url($url);
$port = isset($urlinfo['port']) ? $urlinfo['port'] : 80;
// Connect
$fp = fsockopen($urlinfo['host'], $port, $errno, $errstr, 30);
if ($fp === false) {
return false;
}
// Send request
$head = 'HEAD ' . $urlinfo['path'] .
(isset($urlinfo['query']) ? '?' . $urlinfo['query'] : '') .
' HTTP/1.0' . "\r\n" .
'Host: ' . $urlinfo['host'] . "\r\n\r\n";
fputs($fp, $head);
// Read
while (!feof($fp)) {
if ($header = trim(fgets($fp, 1024))) {
list($key) = explode(':', $header);
if ($format === 1) {
// First element is the HTTP header type, such as HTTP 200 OK
// It doesn't have a separate name, so check for it
if ($key == $header) {
$headers[] = $header;
} else {
$headers[$key] = substr($header, strlen($key)+2);
}
} else {
$headers[] = $header;
}
}
}
return $headers;
}
}
?>
|