reactcrm/app/views/settings/index.php

<?php

use yii\helpers\Html;
use yii\grid\GridView;

/* @var $this yii\web\View */
/* @var $searchModel app\models\SettingSearch */
/* @var $dataProvider yii\data\ActiveDataProvider */

$this->title = 'Settings';
$this->params['breadcrumbs'][] = $this->title;
?>

<div class="settings-index">
    <div class="card card-primary card-outline">
        <div class="card-header">
            <div class="card-tools">
                <?= Html::a('Create Settings', ['create'], ['class' => 'btn btn-success']) ?>
            </div>
        </div>
        <div class="card-body">
            <?= GridView::widget([
                'dataProvider' => $dataProvider,
                'filterModel' => $searchModel,
                'columns' => [
                    ['class' => 'yii\grid\SerialColumn'],

                    'id',
                    'invoce',
                    'act',
                    'time:datetime',
                    'created_at',
                    //'updated_at',

                    ['class' => 'yii\grid\ActionColumn'],
                ],
            ]); ?>
        </div>
    </div>
</div>