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