5 HttpResponse class is only available for PHP >= 5.1
7 Not all places where files are handled check for open_basedir and/or safe_mode.
9 Throttling with the FastCGI SAPI may behave unexpected, because libfcgi seems
10 to really write on flush only and every ~20kb.
13 - the request bodies created in http_request_pool_attach() are not
14 destroyed in http_request_pool_detach(); may be a memory problem
15 in long running scripts