DI::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
$subscriber['topic']),
'X-Hub-Signature' => 'sha1=' . $hmac_sig];
Logger::debug('POST', ['headers' => $headers, 'params' => $params]);
DI::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
$subscriber['topic']),
'X-Hub-Signature' => 'sha1=' . $hmac_sig];
Logger::debug('POST', ['headers' => $headers, 'params' => $params]);