backend/views/slider/index.php

<?php
    
    use common\models\Slider;
    use yii\helpers\Html;
    use yii\grid\GridView;
    use yii\helpers\Url;
    
    /**
     * @var yii\web\View                $this
     * @var common\models\SliderSearch  $searchModel
     * @var yii\data\ActiveDataProvider $dataProvider
     */
    $this->title = Yii::t('app', 'Sliders');
    $this->params[ 'breadcrumbs' ][] = $this->title;
?>
<div class="slider-index">
    
    <h1><?= Html::encode($this->title) ?></h1>
    
    <p>
        <?= Html::a(Yii::t('app', 'Create Slider'), [ 'create' ], [ 'class' => 'btn btn-success' ]) ?>
    </p>
    <?= GridView::widget([
        'dataProvider' => $dataProvider,
        'filterModel'  => $searchModel,
        'columns'      => [
            'slider_id',
            'title',
            [
                'attribute' => 'status',
                'value'     => function($model) {
                    /**
                     * @var Slider $model
                     */
                    return ( !$model->status ) ? \Yii::t('app', 'Скрыто') : \Yii::t('app', 'Показать');
                },
                'filter'    => [
                    0 => \Yii::t('app', 'Скрыто'),
                    1 => \Yii::t('app', 'Показать'),
                ],
            ],
            [
                'label' => \Yii::t('app', 'Slide count'),
                'content' => function($model) {
                    /**
                     * @var Slider $model
                     */
                        return count($model->sliderImage);
                },
            ],
            [
                'class'          => 'yii\grid\ActionColumn',
                'template'       => '{update}&nbsp;{image}&nbsp;{delete}',
                'buttons'        => [
                    'image'  => function($url, $model) {
                        return Html::a('<span class="glyphicon glyphicon-picture"></span>', Url::toRoute([
                            'slider-image/index',
                            'slider_id' => $model->slider_id,
                        ]), [
                            'title' => \Yii::t('app', "слайды"),
                        ]);
                    },
                ],
            ],
        ],
    ]); ?>
</div>