3v4l.org

run code in 300+ PHP versions simultaneously
<?php $setting = '$2y$04$'; $salt = '1234567890123456789012'; // SAME SALT FOR ALL PASSWORDS, OMG, DON'T $str = '1234567890123456789012345678901234567890123456789012345678901234567890123'; $passwd1 = $str . 'A'; $passwd2 = $str . 'E'; $hash1 = crypt($str, $setting . $salt . $passwd1); $hash2 = crypt($str, $setting . $salt . $passwd2); echo ($hash1 === $hash2 ? 'same' : 'uniquq');
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
same
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17

Process exited with code 139.
preferences:
238.45 ms | 402 KiB | 460 Q