3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pwd = 'heslo123'; echo crypt($pwd, $pwd[0]) . "\n"; echo crypt($pwd, $pwd[0] . '$') . "\n"; echo crypt($pwd, $pwd[0] . $pwd[0]);

preferences:
59.88 ms | 402 KiB | 5 Q