public static function multiToAssoc(array $arrays)
    {
        $results = [];
        foreach ($arrays as $key => $value) {
            if (self::isReallyArray($value) === true) {
                $results = array_merge($results, self::multiToAssoc($value));
            } else {
                $results[$key] = $value;
            }
        }

        return $results;
    }