Laravel - accessing .env variables

With Laravel, you should avoid environmental variables outside of your configuration files.

In your config files, you can use environmental variables, example in config/app.php:

'env' => env('APP_ENV', 'production'),

Then you can access this using the config helper: config('app.env').

This allows you to cache your configuration and still access these values, since env('APP_ENV') will no longer work once your config is cached.

laravel laravel-5 environment-variables

Route::get('/test', function () {    return "it is".config('app.name');});

laravel laravel-5 environment-variables

use env('ENVKEY') Don't forget to clear cache sometime it cause because of cache.

php artisan config:clearphp artisan cache:clearcomposer dump-autoload

Formore info look at the doc

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