private static function init() { SimpleDbPersister::$CONFIG_FILE = ROOT_DIRECTORY . "/config/prod/simpledb-config.json"; $json = file_get_contents(SimpleDbPersister::$CONFIG_FILE); $json = json_decode($json, TRUE); SimpleDbPersister::$AWS_KEY = $json["aws_access_key"]; SimpleDbPersister::$AWS_SECRET_KEY = $json["aws_secret_key"]; }