/**
* Render current headers
*/
public function renderHeaders()
{
header("HTTP/1.0 " . $this->_http_status);
/* headers to stop caching in browsers and proxies */
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header("Cache-Control: no-cache, must-revalidate");
// HTTP/1.1
header("Pragma: no-cache");
// HTTP/1.0
if (Context::isDebugMode()) {
header("x-tbg-debugid: " . Context::getDebugID());
$load_time = Context::getLoadTime();
$load_time = $load_time >= 1 ? round($load_time, 2) . 's' : round($load_time * 1000, 1) . 'ms';
header("x-tbg-loadtime: " . $load_time);
}
if (Context::isI18nInitialized()) {
header("Content-Type: " . $this->_content_type . "; charset=" . Context::getI18n()->getCharset());
} else {
header("Content-Type: " . $this->_content_type . "; charset=utf-8");
}
foreach ($this->_headers as $header) {
header($header);
}
}
