u can also
decide whether to run the data through <tt class="docutils literal"><span class="pre">xss_clean()</span></tt> by passing
a boolean value as the second parameter:</p>
<div class="highlight-ci"><div class="highlight"><pre><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">input</span><span class="o">-&gt;</span><span class="na">input_stream</span><span class="p">(</span><span class="s1">&#39;key&#39;</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);