&#39;</span><span class="p">])</span> <span class="o">?</span> <span class="nv">$_POST</span><span class="p">[</span><span class="s1">&#39;something&#39;</span><span class="p">]</span> <span class="o">:</span> <span class="k">NULL</span><span class="p">;</span>
</pre></div>
</div>
<p>With CodeIgniter&#8217;s built in methods you can simply do this:</p>
<div class="highlight-ci"><div class="highlight"><pre><span class="nv">$something</span> <span class="o">=</span> <span class="nv">$this</span><span class="o