/**
* 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;
}
