ParamsReturnSource
Get environment variables.

Parameters

  • string $key

Returns

mixed Returns the environment key related to the `$key` argument. If `$key` is equal to null the result will be the entire environment array. If `$key` is set but not available, `null` will be returned.

Source

						public function env($key = null) {
		if (!empty($this->_env[$key])) {
			return $this->_env[$key];
		}
		if ($key === null) {
			return $this->_env;
		}
		return null;
	}