'btn btn-success']) ?>

$dataProvider, 'filterModel' => $searchModel, 'columns' => [ ['class' => 'yii\grid\SerialColumn'], 'question_body', [ 'attribute' => 'question_type_id', 'filter' => QuestionType::find()->select(['question_type', 'id'])->indexBy('id')->column(), 'value' => 'questionType.question_type' ], [ 'attribute' => 'questionnaire_id', 'filter' => Questionnaire::find()->select(['title', 'id'])->indexBy('id')->column(), 'value' => 'questionnaire.title', ], 'question_priority', 'next_question', [ 'attribute' => 'status', 'format' => 'raw', 'filter' => StatusHelper::statusList(), 'value' => function ($model) { return StatusHelper::statusLabel($model->status); }, ], [ 'attribute' => 'time_limit', 'format' => 'raw', 'value' => function($model){ return TimeHelper::limitTime($model->time_limit); } ], 'score', ['class' => 'yii\grid\ActionColumn'], ], ]); ?>