private function _outputHTTPHeader(array $aHeader, $sKey = '')
{
foreach ($aHeader as $_sKey => $_asValue) {
if (is_array($_asValue)) {
$this->_outputHTTPHeader($_asValue, $_sKey);
continue;
}
$_sKey = $this->getAOrB($sKey, $sKey, $_sKey);
header("{$_sKey}: {$_asValue}");
}
}