dynamic pages

<?php
'urlManager' => [
    'class' => 'yii\web\UrlManager',
    'enablePrettyUrl' => true,
    'showScriptName' => false,
    'baseUrl' => '/',
    /*'rules' => [
        '<controller:\w+>' => '<controller>',
        '<controller:\w+>/<action:\w+>' => '<controller>/<action>',
    ],*/
    'rules' => [
        '<controller:\w+>'              => '<controller>',
        '<controller:\w+>/<action:\w+>' => '<controller>/<action>',
        '<dir1:[\w\-\_\d]+>'            => 'page/index',
    ],
],




<?php
namespace frontend\controllers;

use Yii;
use yii\web\Controller;
use frontend\controllers\BaseController;

/**
 * Page controller
 */
class PageController extends BaseController
{
    public function actionIndex()
    {
        return $this->render('index');
    }
}