ass="p">(</span><span class="nv">$str</span> <span class="o">===</span> <span class="s2">&quot;&quot;</span><span class="p">)</span>
        <span class="p">{</span>

        <span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
<p>See also information regarding <a class="reference external" href="http://php.net/manual/en/language.types.type-juggling.php#language.types.typecasting">typecasting</a>,
which can be quite useful. Typecasting has a slightly different effect
which may be desirable.