Environment variable loading — reads a .env file into $_ENV at boot so config files can read it with Marko\Config\Env.
composer require marko/envuse Marko\Env\EnvLoader;
$envLoader = new EnvLoader();
$envLoader->load(__DIR__);The global env() helper was removed in Marko 0.9.0; read values with Marko\Config\Env instead.
Full usage, API reference, and examples: marko/env