<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Converter;
/**
* A number converter converts UUIDs from hexadecimal characters into
* representations of integers and vice versa
*
* @psalm-immutable
*/
interface NumberConverterInterface
{
/**
* Converts a hexadecimal number into an string integer representation of
* the number
*
* The integer representation returned is a string representation of the
* integer, to accommodate unsigned integers greater than PHP_INT_MAX.
*
* @param string $hex The hexadecimal string representation to convert
*
* @return string String representation of an integer
*
* @psalm-return numeric-string
*
* @psalm-pure
*/
public function fromHex(string $hex): string;
/**
* Converts a string integer representation into a hexadecimal string
* representation of the number
*
* @param string $number A string integer representation to convert; this
* must be a numeric string to accommodate unsigned integers greater
* than PHP_INT_MAX.
*
* @return string Hexadecimal string
*
* @psalm-return non-empty-string
*
* @psalm-pure
*/
public function toHex(string $number): string;
}