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<h2 class="title">Requirements</h2>
<p class="simpara">
The <a href="class.httpresponse.html" class="classname">HttpResponse</a> class requires at least PHP v5.1.
Any other class is available as of PHP v5.0.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
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Be aware though, that some methods are not available with PHP v5.0.
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<div class="section" id="http.requirements.windows">
<h2 class="title">Installation requirements on Windows</h2>
<p class="para">
In order to be able to load this extension on <em class="emphasis">Windows</em>,
you additionally need to load the following PHP extensions:
<a href="ref.hash.html" class="link">hash</a>, <a href="ref.iconv.html" class="link">iconv</a>
and <a href="ref.spl.html" class="link">SPL</a>.
</p>
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<div class="section" id="http.requirements.nix">
<h2 class="title">Installation requirements on other platforms</h2>
<p class="para">
The extension must be built with <a href="http://curl.haxx.se/libcurl/" class="link external">» libcurl</a> support
to enable <em class="emphasis">request</em> functionality (<em>--with-http-curl-requests</em>).
A library version equal or greater to <em class="emphasis">v7.12.3</em> is required.
</p>
<p class="para">
To enable support for sending and receiving <em class="emphasis">compressed</em>
responses, the extension must be built with <a href="http://www.zlib.net/" class="link external">» zlib</a> support
(<em>--with-http-zlib-compression</em>).
A library version equal or greater than <em class="emphasis">v1.2.2</em> is required.
</p>
<p class="para">
<em class="emphasis">Content type guessing</em> can be enabled by
building this extension with <a href="http://sf.net/projects/libmagic" class="link external">» libmagic</a> support
(<em>--with-http-magic-mime</em>).
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