name : NumberConverterInterface.php <?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; }