3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bcrypt = '$2a$12$9SIfjYSVOTw8xFn98DadmOYKMSyReSktMvm/tfiLFDYb.oGvO8LEC'; $bcryptNeedsRehash = preg_replace('/\$\d{2}\$/', '\$' . 11 . '\$', $bcrypt); var_dump($bcrypt, $bcryptNeedsRehash); var_dump(password_hash('qG$4%7fM', PASSWORD_BCRYPT, array('cost'=>13)));

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33.07 ms | 402 KiB | 5 Q