an> <span class="s1">&#39;round&#39;</span><span class="p">,</span>
        <span class="s1">&#39;size&#39;</span>  <span class="o">=&gt;</span> <span class="s1">&#39;&#39;</span>
<span class="p">);</span>

<span class="k">echo</span> <span class="nx">element</span><span class="p">(</span><span class="s1">&#39;color&#39;</span><span class="p">,</span> <span class="nv">$array</span><span class="p">);</span> <span class="c1">// returns &quot;red&quot;</span>
<span class="k">echo</span> <span class="nx">elemen