- vlucas/phpdotenv (https://github.com/vlucas/phpdotenv)
- symfony/dotenv (https://github.com/symfony/dotenv)
- josegonzalez/dotenv (https://github.com/josegonzalez/php-dotenv)
- zrcing/phpenv (https://github.com/zrcing/phpenv)
$ php -f benchmark.php
$ php -f benchmark.php