3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('SALTING', 'Bo8L45XCSVag_der"W^#mRtZKp+OAsIv6U!wn3l9PHxcJQi1&Nk%Mfhyjuq$Yb D@zG0?T,7E-2F'); $plain = "start"; echo md5(crypt($plain, '$6$rounds=1000$'.SALTING.'$'));

preferences:
37.73 ms | 402 KiB | 5 Q