protected function shouldConnectionBeClosed(HttpResponse $response) : bool
{
if (!$this->keepAlive) {
return true;
}
if ($response->getProtocolVersion() === '1.0' && !\in_array('keep-alive', $response->getHeaderTokenValues('Connection'), true)) {
return true;
}
if (!$response->hasHeader('Content-Length') && 'chunked' !== \strtolower($response->getHeaderLine('Transfer-Encoding'))) {
return true;
}
return false;
}