trong>:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span> <span class="k">echo</span> <span class="nv">$foo</span><span class="p">;</span> <span class="cp">?&gt;</span>

<span class="cp">&lt;?</span><span class="o">=</span><span class="nv">$foo</span><span class="cp">?&gt;</span>
</pre></div>
</div>
<p><strong>CORRECT</strong>:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span> <span