vlucas/phpdotenv — pull request #6 by deefour (2014-01-17 17:49:16+00:00)
Title: Optional flag to tell Dotenv not to throw an InvalidArgumentException on load

If one machine has environment variables for an application set in something like `~/.zprofile` or an upstart script as part of a build process, but in other environments a `.env` file is needed, it may be useful to instruct `Dotenv::load` to fail silently if an `.env` file is not found.