mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-11-27 15:59:29 +00:00
25 lines
645 B
PHP
25 lines
645 B
PHP
<?php
|
|
/**
|
|
* Strings methods
|
|
*
|
|
* @author Pierre HUBERT
|
|
*/
|
|
|
|
/**
|
|
* Generate a random string, using a cryptographically secure
|
|
* pseudorandom number generator (random_int)
|
|
*
|
|
* @param int $length How many characters do we want?
|
|
* @param string $keyspace A string of all possible characters
|
|
* to select from
|
|
* @return string
|
|
*/
|
|
function random_str($length, $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
|
|
{
|
|
$str = '';
|
|
$max = mb_strlen($keyspace, '8bit') - 1;
|
|
for ($i = 0; $i < $length; ++$i) {
|
|
$str .= $keyspace[random_int(0, $max)];
|
|
}
|
|
return $str;
|
|
} |