&reftitle.setup;
&reftitle.required;

The `HttpResponse` class requires at least PHP v5.1. Any other class is available as of PHP v5.0.

Be aware though, that some methods are not available with PHP v5.0.

### Installation requirements on Windows

In order to be able to load this extension on Windows, you additionally need to load the following PHP extensions: hash, iconv &listendand; SPL.

### Installation requirements on other platforms

The extension must be built with libcurl support to enable request functionality (`--with-http-curl-requests`). A library version equal or greater to v7.12.3 is required.

To enable support for sending and receiving compressed responses, the extension must be built with zlib support (`--with-http-zlib-compression`). A library version equal or greater than v1.2.2 is required.

Content type guessing can be enabled by building this extension with libmagic support (`--with-http-magic-mime`).

&reference.http.install; &reference.http.configuration; &reference.http.resources;