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<?php function password_verify_with_rehash($password, $hash) { if (!password_verify($password, $hash)) { return false; } if (password_needs_rehash($hash, PASSWORD_DEFAULT)) { $hash = password_hash($password, PASSWORD_DEFAULT); return $hash; } } $password = 'thisIsABadPassword'; $hash = password_hash($password, PASSWORD_BCRYPT, array("cost" => 10)); var_dump(password_verify_with_rehash($password, $hash));

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