3v4l.org

run code in 300+ PHP versions simultaneously
<?php $characters=('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'); $delka=8; $randomString = ''; for ($i = 0; $i < $delka; $i++) { $randomString .= $characters[rand(0, strlen($characters) - 1)]; } echo $randomString; ?>

preferences:
34.96 ms | 402 KiB | 5 Q