title: checkboxList use arrayHalper and get values yii2
body: <p>This is my form checkboxList with arrayhalper:</p>
  
  <pre><code>&lt;div class="form-group"&gt;
      &lt;?= $form-&gt;field($model, 'reg_id')-&gt;checkboxList(
          arrayHelper::Map(Riders::find()-&gt;where(['user_id' =&gt; Yii::$app-&gt;user-&gt;identity-&gt;id])-&gt;all(),'rider_id',
              function($model) { return **$model-&gt;rider_firstname . " (" . $model-&gt;cagoriesCategory-&gt;category_name . ")"**; }),
          ['class' =&gt; 'checkbox-inline', 'id' =&gt; 'person' ]), ?&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>The label its work correctly, example: <code>Jilly (MasterA)</code>. But I want to get value difference with label, example like this <code>Jilly:MasterA</code>. How to give values like this?</p>