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update RandomString

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random_int is cryptographically secure
This commit is contained in:
gtbu 2025-06-12 16:44:35 +02:00
parent c61b7de862
commit 1b63f2107d
1 changed files with 14 additions and 10 deletions

24
include/tool.php
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@ -1350,19 +1350,23 @@ use function \intltime\strftime;
* @param int $len length of string to return
* @param bool $cases Whether or not to use upper and lowercase characters
*/
public static function RandomString($len=40, $cases=true){
public static function RandomString($len = 40, $cases = true)
{
$string = 'abcdefghijklmnopqrstuvwxyz1234567890';
if ($cases) {
$string .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
}
$string = 'abcdefghijklmnopqrstuvwxyz1234567890';
if( $cases ){
$string .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
}
$result = '';
$max = strlen($string) - 1;
$string = str_repeat($string, (int)round($len / 2));
$string = str_shuffle($string);
$start = mt_rand(1, (strlen($string) - $len));
for ($i = 0; $i < $len; $i++) {
// random_int is cryptographically secure
$result .= $string[random_int(0, $max)];
}
return substr($string, $start, $len);
}
return $result;
}
/**