mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-10-23 07:03:28 +00:00
25 lines
645 B
PHP
25 lines
645 B
PHP
<?php
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/**
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* Strings methods
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*
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* @author Pierre HUBERT
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*/
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/**
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* Generate a random string, using a cryptographically secure
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* pseudorandom number generator (random_int)
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*
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* @param int $length How many characters do we want?
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* @param string $keyspace A string of all possible characters
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* to select from
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* @return string
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*/
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function random_str($length, $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
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{
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$str = '';
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$max = mb_strlen($keyspace, '8bit') - 1;
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for ($i = 0; $i < $length; ++$i) {
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$str .= $keyspace[random_int(0, $max)];
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}
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return $str;
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} |