 <a class="reference internal" href="user_agent.html"><em>User Agent Class</em></a> for methods which extract
information from the user agent string.</p>
</dd></dl>

<dl class="method">
<dt id="CI_Input::request_headers">
<tt class="descname">request_headers</tt><big>(</big><span class="optional">[</span><em>$xss_clean = FALSE</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Input::request_headers" title="Permalink to this definition">¶</a></dt>
<dd><table class="docutils fiel