public function refreshRequestHeaders()
{
// clear old headers
self::$aRequestHeaders = array();
// use the apache function, if possible
if (function_exists('apache_request_headers')) {
$aRequestHeaders = apache_request_headers();
// make sure that all keys have the same case format
foreach ($aRequestHeaders as $sKey => $sVal) {
$sKey = $this->formatKey($sKey, '-');
self::$aRequestHeaders[$sKey] = $sVal;
}
} else {
foreach ($_SERVER as $sKey => $sVal) {
// we need the "HTTP_*" keys only
if (substr($sKey, 0, 5) != 'HTTP_') {
continue;
}
$sKey = $this->formatKey(substr($sKey, 5), '_');
self::$aRequestHeaders[$sKey] = $sVal;
}
}
}
