/** * Creates an array of cacheable and normalized message headers * * @param MessageInterface $message * * @return array */ private function persistHeaders(MessageInterface $message) { // Headers are excluded from the caching (see RFC 2616:13.5.1) static $noCache = array('age' => true, 'connection' => true, 'keep-alive' => true, 'proxy-authenticate' => true, 'proxy-authorization' => true, 'te' => true, 'trailers' => true, 'transfer-encoding' => true, 'upgrade' => true, 'set-cookie' => true, 'set-cookie2' => true); // Clone the response to not destroy any necessary headers when caching $headers = $message->getHeaders()->getAll(); $headers = array_diff_key($headers, $noCache); // Cast the headers to a string $headers = array_map(function ($h) { return (string) $h; }, $headers); return $headers; }
private function persistHeaders(MessageInterface $message) { static $noCache = array('age' => true, 'connection' => true, 'keep-alive' => true, 'proxy-authenticate' => true, 'proxy-authorization' => true, 'te' => true, 'trailers' => true, 'transfer-encoding' => true, 'upgrade' => true, 'set-cookie' => true, 'set-cookie2' => true); $headers = $message->getHeaders()->getAll(); $headers = array_diff_key($headers, $noCache); $headers = array_map(function ($h) { return (string) $h; }, $headers); return $headers; }