Русская документация скоро будет доступна доступна на сайте OpenItStudio, (*1)
Yii2 params files management utility
Installation
The preferred way to install this extension is through composer., (*2)
Either run, (*3)
php composer.phar require --prefer-dist fgh151/yii2-params "*"
or add, (*4)
"fgh151/yii2-params": "*"
to the require section of your composer.json file., (*5)
Usage
Once the extension is installed, simply add it in your config by  :, (*6)
        'modules' => [
               ...
               'params' => [
                   'class' => 'fgh151\modules\params\Module',
                   'paramsFilePath' => [
                       'Common params' => '@common/config/params.php',
                       'Backend Params' => '@backend/config/params.php',
                       'Frontend Params' => '@frontend/config/params.php',
                   ]
               ]
           ],
add to paramsFilePath array names of files and path to them, (*7)
RBAC
You can use RBAC with module. Simply add it in your config:, (*8)
        'modules'    => [
             'params' => [
                'class' => 'fgh151\modules\params\Module',
                'paramsFilePath' => [
                    'Common params' => '@common/config/params.php',
                    'Backend Params' => '@backend/config/params.php',
                    'Frontend Params' => '@frontend/config/params.php',
                ],
                'as access' => [
                    'class' => 'yii\filters\AccessControl',
                    'rules' => [
                        [
                            'allow' => true,
                            'roles' => ['admin'],
                        ]
                    ]
                ]
             ]
            ...
        ],
Usage
Pretty Url's /params, (*9)
No pretty Url's index.php?r=params, (*10)