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ryanapil/uuid.js

Created April 4, 2023 15:54
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UUID Function
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uuid.js
function uuid($data = null) {
$data = $data ?? random_bytes(16);
assert(strlen($data) == 16);
$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
}
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