title: yii2 radio inline Html helper
body: <p>I have this radioList in yii2</p>
  
  <pre><code>Html::radioList('abc',null,$new,['class' =&gt; 'form-control input-sm']);
  </code></pre>
  
  <p>It generates this:</p>
  
  <pre><code>&lt;div class=radio&gt;
  </code></pre>
  
  <p>but I want:</p>
  
  <pre><code>&lt;div class=radio-inline&gt;
  </code></pre>
  
  <p>please help me</p>