Simpler RBAC using custom access control filter

Yii2-user comes with access control rule which adds support of admin role which allows access to users added to admins property of the module.

Apply filter to your controller

Here is an example of how to use access rule in your access control filter:

<?php

namespace app\controllers;

use yii\filters\AccessControl;
use dektrium\user\filters\AccessRule;
use yii\web\Controller;

class SiteController extends Controller
{
	...
	public function behaviors()
	{
		return [
			'access' => [
			    'class' => AccessControl::className(),
			    'ruleConfig' => [
			        'class' => AccessRule::className(),
			    ],
			    'rules' => [
			        [
			            'actions' => ['create'],
			            'allow' => true,
			            'roles' => ['admin'],
			        ],
			        [
			            'actions' => ['view', 'search'],
			            'allow' => true,
			            'roles' => ['?', '@', 'admin'],
			        ],
			    ],
			],
		];
	}
	...
}