/**
* Options supported:
* - follow.redirects - Follow HTTP redirects code
* - follow.trace - Save full redirects history
* - follow.maxcount - Max number of redirects
* - headers.lowercase - Convert HTTP headers into lower-case strings
*/
protected static function _doGetHead($url, $method, $options = array())
{
HttpUtils::update_max_execution_time();
$method = strtoupper($method);
$arr = parse_url($url);
$arr['port'] = isset($arr['port']) ? $arr['port'] : 80;
$errno = $errstr = null;
$R = new StdClass();
$R->isError = false;
if ($method != 'GET' && $method != 'HEAD') {
$R->isError = "Invalid method {$method}. Only GET & HEAD allowed";
return $R;
}
$f = @fsockopen($arr['host'], $arr['port'], $errno, $errstr, 600);
if (!$f) {
$R->isError = " Connecting to {$arr['host']}:{$arr['port']} failed: {$errstr}, {$errno}";
return $R;
}
stream_set_blocking($f, 0);
$req = "{$method} {$arr['path']}" . (empty($arr['query']) ? '' : '?' . $arr['query']) . " HTTP/1.0\r\n";
$req .= "Host: {$arr['host']}\r\n";
$req .= "Connection: Close\r\n";
if (!empty($arr['user'])) {
$req .= "Authorization: Basic " . base64_encode("{$arr['user']}:{$arr['pass']}") . "\r\n";
}
$req .= "\r\n";
fputs($f, $req);
$res = '';
while (!feof($f)) {
$res .= fgets($f, 1024);
}
fclose($f);
// Parse result
return HttpUtils::parseHttpResponse($res, $options);
}
