kopia lustrzana https://github.com/friendica/friendica
Add odd number of character support to random_string()
rodzic
d38c040d50
commit
d5c38b9fc9
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@ -41,26 +41,19 @@ function replace_macros($s, $r) {
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return $output;
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}
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// PHP < 7 polyfill
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if (!is_callable('intdiv')) {
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function intdiv($a, $b) {
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return ($a - $a % $b) / $b;
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}
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}
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/**
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* @brief Generates a pseudo-random string of hexadecimal characters
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*
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* Only supports pair numbers of output characters.
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*
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* @param int $size
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* @return string
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*/
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function random_string($size = 64)
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{
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$bytes = random_bytes(intdiv((int) $size, 2));
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$byte_size = ceil($size / 2);
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$return = bin2hex($bytes);
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$bytes = random_bytes($byte_size);
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$return = substr(bin2hex($bytes), 0, $size);
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return $return;
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}
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