FRONTEND_MVC/views/site/index/three_widgets.php

<?php
/**
 * @var \yii\web\View $this
 * @var $post \app\models\News
 * @var \yii\data\ActiveDataProvider $newsDataProvider
 * @var \app\models\base\NewsTopic | \app\models\base\Story $topic
 */

use app\models\News;

$view = $this;
echo \yii\helpers\Html::beginTag("div",["class"=>"partner-news row"]);

echo Yii::$app->cache->getOrSet("main-page-third-row-l2",function () use ($newsDataProvider,$view){
    $result = "";
    $sliderItems = \app\models\front\TopSlider::find()
        ->andWhere(['<','published_from',date("Y-m-d H:i:s")])
        ->andWhere(['>','published_to',date("Y-m-d H:i:s")])
        ->andWhere(['is_active'=>1])->all();
    $k=0;

    foreach ($newsDataProvider->getModels() as $post)
    {
        if($k>=2 && count($sliderItems)>0) continue;
        $k++;
        $result.= $view->render('_partner_news_item',["model"=>$post,"key"=>$k]);
    }
    try {
		$result .= "<!-- slider -->\n";
		$result.= $view->render('_three_widgets_slider',['models'=>$sliderItems]);
	} catch (Exception $e) {
//		var_dump($e);
	}
    return $result;
},60);

echo \yii\helpers\Html::endTag("div");