">&quot;My string </span><span class="si">$foo</span><span class="s2">&quot;</span>                                <span class="c1">// needs braces</span>
<span class="s1">&#39;SELECT foo FROM bar WHERE baz = \&#39;bag\&#39;&#39;</span>       <span class="c1">// ugly</span>
</pre></div>
</div>
<p><strong>CORRECT</strong>:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="s1">&#39;My String&#39;</span>
<span class="s2">&quot;My string </span><span class="si">{</span><span cl