dropdownlist

question…

what the means of this code?

anyone can explain?

<section>

&lt;div class=&quot;input-group&quot;&gt;


    &lt;?= &#036;form-&gt;dropdownList(&#036;User, 'dept_id', Department::model()-&gt;options(), array('class' =&gt; 'form-control')); ?&gt;        


    &lt;div class=&quot;input-group-addon&quot;&gt;&lt;i class=&quot;fa fa-group&quot;&gt;&lt;/i&gt;&lt;/div&gt;


&lt;/div&gt;

</section>