LoadEnvironmentVariables.php

<?php

namespace App\Bootstrap;

use Dotenv\Dotenv;
use Dotenv\Exception\InvalidFileException;
use Dotenv\Exception\InvalidPathException;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Foundation\Bootstrap\LoadEnvironmentVariables as BaseLoadEnvironmentVariables;

class LoadEnvironmentVariables extends BaseLoadEnvironmentVariables
{
    /**
     * Mimic Vue CLI 3 behaviour.
     *
     * https://github.com/vuejs/vue-cli/issues/1499
     *
     * .env                # loaded in all cases
     * .env.local          # loaded in all cases, ignored by git
     * .env.[mode]         # only loaded in specified mode
     * .env.[mode].local   # only loaded in specified mode, ignored by git
     */
    public function bootstrap(Application $app)
    {
        if ($app->configurationIsCached()) {
            return;
        }

        $this->checkForSpecificEnvironmentFile($app);

        if ($app->environmentFile() !== '.env') {
            $this->load($app, '.local'); // .env.[APP_ENV].local
            $this->load($app); // .env.[APP_ENV]
        }

        $this->setEnvironmentFilePath($app, '.env');

        $this->load($app, '.local'); // .env.local file
        $this->load($app); // .env
    }

    protected function load(Application $app, $suffix = '')
    {
        try {
            (new Dotenv($app->environmentPath(), $app->environmentFile() . $suffix))->load();
        } catch (InvalidPathException $e) {

        } catch (InvalidFileException $e) {
            die('The environment file is invalid: '.$e->getMessage());
        }
    }
}