3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'foo'; $bar = 'barbarbarbarbarbarbarbarbarbarba'; $p = 'password'; $s = 'abcdefghijklmnopqrstuvwxyz012345'; print crypt($p.$s, '$2a$07$usesomesillystringfor$');

preferences:
37.14 ms | 402 KiB | 5 Q