: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* @author Jesus A. Domingo <jesus.domingo@gmail.com>
* @author Hassan Khan <contact@hassankhan.me>
* @link https://github.com/noodlehaus/config
interface ConfigInterface
* Gets a configuration setting using a simple or nested key.
* Nested keys are similar to JSON paths that use the dot
public function get($key, $default = null);
* Function for setting configuration values, using
* either simple or nested keys.
public function set($key, $value);
* Function for checking if configuration values exist, using
* either simple or nested keys.
public function has($key);
* Get all of the configuration items