Elgg\PasswordService::needsRehash PHP Method

If the answer is true, after validating the password using password_verify, rehash it.

public needsRehash ( string $hash ) : boolean
$hash	string	The hash to test
return	boolean	True if the password needs to be rehashed.

    function needsRehash($hash)
    {
        return password_needs_rehash($hash, PASSWORD_DEFAULT);
    }

PasswordService