3v4l.org

run code in 300+ PHP versions simultaneously
<?php $salt = '$2y$04$AVgigiF9sRGgbChVfkgZgg'; $hash = crypt("test", $salt); var_dump($salt, $hash); $salt2 = substr($hash, 0, 29); var_dump($salt2); $hash2 = crypt("test", $salt2); var_dump($hash2);

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