1-listagem-de-registros-de-clients-yii2

_ClientsController.php

<?php
namespace app\controllers;
use app\models\Clients;
use yii\web\NotFoundHttpException;
class ClientsController extends \yii\web\Controller
{
     /**
     * <b>actionIndex</b> Método responsável por realizar a listagem dos clientes
     */
    public function actionIndex()
    {
        $clients = Clients::find()->all();
        return $this->render('index', [
            'clients' => $clients
        ]);
    }
}