use yii\helpers\Html; $listView = new ListView(['dataProvider' => $dataProvider, 'itemView' => '_item', 'layout' => "{summary}\n{items}\n{pager}\n"]); $listView->sorter = ['options' => ['class' => 'mail-sorter']]; ?> <h1>Email messages</h1> <div class="row"> <div class="col-lg-2"> <?php echo Html::button('Form filtering', ['class' => 'btn btn-default', 'onclick' => '$("#email-form").toggle();']); ?> </div> <div class="row col-lg-10"> <?php echo $listView->renderSorter(); ?> </div> </div> <div id="email-form" style="display: none;"> <?php $form = ActiveForm::begin(['method' => 'get', 'action' => ['/debug/default/view', 'tag' => Yii::$app->request->get('tag'), 'panel' => 'mail']]); ?> <div class="row"> <?php echo $form->field($searchModel, 'from', ['options' => ['class' => 'col-lg-6']])->textInput(); ?> <?php echo $form->field($searchModel, 'to', ['options' => ['class' => 'col-lg-6']])->textInput();