HTTP extension for PHP

Release Notes: This release fixes Bug #64310 (weak etags W/"abc" are quoted as "W/"abc"").

Release Notes: This release adds PHP 5.4 compatibility. It fixes bug #59974: methodRegister doesn't allow "_" to be in the method name. It fixes an SAPI hang if the request body size is greater than 4k with http_get_request_body_stream().

Release Notes: This release fixed a bug when the status component of the HTTP response is missing, A double-free when auto-decompressing pages, a non-funtional HttpMessage::setResponseStatus(), a problem where http_redirect breaks output with zlib.output_compression=on, a segmentation fault when passing an invalid URL to http_get(), a logic error and possible hang in sapi_deactivate when using http_get_request_body() with a request body longer than 4096 bytes, and a problem where Make failed.

Release Notes: The generic http_negotiate() function was added. The proxytunnel and noproxy request options were added. The proxytunnel option enables tunelling through the HTTP proxy. The noproxy option is a comma separated list of hosts for which a proxy should not be used. The following postredir request option constants were added: HTTP_POSTREDIR_301, HTTP_POSTREDIR_302, HTTP_POSTREDIR_ALL. The HTTP_AUTH_DIGEST_IE authtype request option constant was added. The HTTP_PROXY_HTTP_1_0 proxytype request option constant was added. The condition_unmet request info member was added.

Release Notes: A Last-Modified caching bug in the http_send API was fixed. A bug with HttpRequestPool and libevent when adding requests while running was fixed. A memory leak in HttpResponse::getStream() was fixed. A PHP crash after casting a scalar argument to an array in HttpQueryString was fixed. A bug in which http_redirect would fail with url->port==0 was fixed.