not exist it returns NULL, or whatever you’ve
specified as the default value via the third parameter.</p>
<p>Example:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$array</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
        <span class="s1">&#39;color&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;red&#39;</span><span class="p">,</span>
        <span class="s1">&#39;shape&#39;</span> <span class="o">=&gt;</sp