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run code in 300+ PHP versions simultaneously
<?php $setting = '$2a$04$'; $salt = '1234567890123456789012'; // SAME SALT FOR ALL PASSWORDS, OMG, DON'T $passwd1 = '000000000000000000000000000000000000000000000000000000000000000000000000'; $passwd2 = '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234'; $passwd3 = '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345'; $hash1 = crypt($passwd1, $setting . $salt); $hash2 = crypt($passwd2, $setting . $salt); $hash3 = crypt($passwd3, $setting . $salt); echo ($hash1 === $hash2 ? '1-2 same' : 'unique'); echo ($hash2 === $hash3 ? '2-3 same' : 'unique');

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