title: asArray() in yii2 convert all integer to string
body: <p>i used in yii2 framework</p>
  <p>in query select after asAarray() but in response json all integer to string !</p>
  <pre><code>$users = $model-&gt;asArray()-&gt;limit($limit)-&gt;offset($offset)-&gt;all();
  </code></pre>