46 lines
1.4 KiB
PHP
46 lines
1.4 KiB
PHP
<?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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* @link https://benramsey.com/projects/ramsey-uuid/ Documentation
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* @link https://packagist.org/packages/ramsey/uuid Packagist
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* @link https://github.com/ramsey/uuid GitHub
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*/
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namespace Ramsey\Uuid\Generator;
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/**
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* MtRandRandomGenerator provides functionality to generate strings of random
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* binary data using the `mt_rand()` PHP function
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*
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* @deprecated The mt_rand() function is not a reliable source of randomness.
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* The default RandomBytesGenerator, which uses the random_bytes() function,
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* is recommended as the safest and most reliable source of randomness.
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* <em>This generator will be removed in ramsey/uuid 4.0.0.</em>
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* @link http://php.net/mt_rand
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*/
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class MtRandGenerator implements RandomGeneratorInterface
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{
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/**
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* Generates a string of random binary data of the specified length
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*
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* @param integer $length The number of bytes of random binary data to generate
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* @return string A binary string
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*/
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public function generate($length)
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{
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$bytes = '';
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for ($i = 1; $i <= $length; $i++) {
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$bytes = chr(mt_rand(0, 255)) . $bytes;
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}
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return $bytes;
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}
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}
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