src/Queues/PayloadParsers/SqsStandardPayloadParser.php
/**
     * Higher order function to convert keys to lower case.
     *
     * @return callable
     */
Higher order function to convert keys to lower case.
@return callable
Higher order function to convert keys to lower case . @return callable
protected function attributesToLowercase(): callable
    {
        return function ($value, $key) {
            return strtolower($key);
        };
    }
protected function attributesToLowercase ( ) : callable { return function ( $ value , $ key ) { return strtolower ( $ key ) ; } ; }
Higher order function to convert keys to lower case.
Higher order function to convert keys to lower case .