private static function _sendHeaders()
{
if (!isset(self::$_aHeaders['Content-Type'])) {
self::$_aHeaders['Content-Type'] = 'text/html';
}
if (self::$_sCharset) {
self::$_aHeaders['Content-Type'] .= '; charset=' . self::$_sCharset;
}
if (!isset(self::$_aHeaders['Cache-Control'])) {
self::$_aHeaders['Cache-Control'] = 'max-age=31536000';
// One year
self::$_aHeaders['Pragma'] = 'max-age=31536000';
self::$_aHeaders['Expires'] = gmdate('D, d M Y H:i:s \\G\\M\\T', time() + 31536000);
self::$_aHeaders['etag'] = M::BUILD_ID();
}
if (self::$_bReadyToSend) {
foreach (self::$_aHeaders as $sName => $sValue) {
header("{$sName}" . ($sValue ? ": {$sValue}" : ''));
}
}
self::$_aHeaders = [];
}
