22290136219

Committed 23 Feb 2026 01:47AM UTC coverage: 93.125% (-0.003%) from 93.128%

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push

github

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Commit Message

added CLAUDE.md

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2086 of 2240 relevant lines covered (93.13%)

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0.0

/src/Utils/Random.php

<?php declare(strict_types=1);

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

namespace Nette\Utils;

use Nette;
use Random\Randomizer;
use function strlen;
use const PHP_VERSION_ID;


/**
 * Secure random string generator.
 */
final class Random
{
        use Nette\StaticClass;

        /**
         * Generates a random string of given length from characters specified in second argument.
         * Supports intervals, such as `0-9` or `A-Z`.
         */
        public static function generate(int $length = 10, string $charlist = '0-9a-z'): string
        {
                $charlist = preg_replace_callback(
                        '#.-.#',
                        fn(array $m): string => implode('', range($m[0][0], $m[0][2])),
                        $charlist,
                );
                $charlist = count_chars($charlist, mode: 3);
                $chLen = strlen($charlist);

                if ($length < 1) {
                        throw new Nette\InvalidArgumentException('Length must be greater than zero.');
                } elseif ($chLen < 2) {
                        throw new Nette\InvalidArgumentException('Character list must contain at least two chars.');
                } elseif (PHP_VERSION_ID >= 80300) {
                        return (new Randomizer)->getBytesFromString($charlist, $length);
                }

                $res = '';
                for ($i = 0; $i < $length; $i++) {
                        $res .= $charlist[random_int(0, $chLen - 1)];
                }

                return $res;
        }
}

1	<?php declare(strict_types=1);
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	namespace Nette\Utils;
9
10	use Nette;
11	use Random\Randomizer;
12	use function strlen;
13	use const PHP_VERSION_ID;
14
15
16	/**
17	* Secure random string generator.
18	*/
19	final class Random
20	{
21	use Nette\StaticClass;
22
23	/**
24	* Generates a random string of given length from characters specified in second argument.
25	* Supports intervals, such as `0-9` or `A-Z`.
26	*/
27	public static function generate(int $length = 10, string $charlist = '0-9a-z'): string
28	{
29	$charlist = preg_replace_callback(	×
30	'#.-.#',	×
31	fn(array $m): string => implode('', range($m[0][0], $m[0][2])),	×
32	$charlist,
33	);
34	$charlist = count_chars($charlist, mode: 3);	×
35	$chLen = strlen($charlist);	×
36
37	if ($length < 1) {	×
38	throw new Nette\InvalidArgumentException('Length must be greater than zero.');	×
39	} elseif ($chLen < 2) {	×
40	throw new Nette\InvalidArgumentException('Character list must contain at least two chars.');	×
41	} elseif (PHP_VERSION_ID >= 80300) {	×
42	return (new Randomizer)->getBytesFromString($charlist, $length);	×
43	}
44
45	$res = '';	×
46	for ($i = 0; $i < $length; $i++) {	×
47	$res .= $charlist[random_int(0, $chLen - 1)];	×
48	}
49
50	return $res;	×
51	}
52	}

nette / utils / 22290136219

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