ss="na">uri</span><span class="o">-&gt;</span><span class="na">segment</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
</pre></div>
</div>
<p>It helps avoid having to write code like this:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span c