1 # int http\Env\Response::isCachedByLastModified([string $header_name = "If-Modified-Since"])
3 Manually test the header $header_name of the environment's request for a cache hit.
4 http\Env\Response::send() checks that itself, though.
8 * Optional string $header_name = "If-Modified-Since"
9 The request header to test.
13 * int, a http\Env\Response::CACHE_* constant.