3v4l.org

run code in 300+ PHP versions simultaneously
<?php $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $max = strlen($characters) - 1; $token = (string) null; for ($i = 0; $i < 1024; ++$i) { $token .= $characters[mt_rand(0, $max)]; } var_dump($token);

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36.51 ms | 402 KiB | 5 Q