Symfony\Component\Security\Core\Authentication\Token\AbstractToken::hasUserChanged PHP Method

    private function hasUserChanged(UserInterface $user)
    {
        if (!($this->user instanceof UserInterface)) {
            throw new \BadMethodCallException('Method "hasUserChanged" should be called when current user class is instance of "UserInterface".');
        }

        if ($this->user instanceof EquatableInterface) {
            return !(bool) $this->user->isEqualTo($user);
        }

        if ($this->user->getPassword() !== $user->getPassword()) {
            return true;
        }

        if ($this->user->getSalt() !== $user->getSalt()) {
            return true;
        }

        if ($this->user->getUsername() !== $user->getUsername()) {
            return true;
        }

        if ($this->user instanceof AdvancedUserInterface && $user instanceof AdvancedUserInterface) {
            if ($this->user->isAccountNonExpired() !== $user->isAccountNonExpired()) {
                return true;
            }

            if ($this->user->isAccountNonLocked() !== $user->isAccountNonLocked()) {
                return true;
            }

            if ($this->user->isCredentialsNonExpired() !== $user->isCredentialsNonExpired()) {
                return true;
            }

            if ($this->user->isEnabled() !== $user->isEnabled()) {
                return true;
            }
        } elseif ($this->user instanceof AdvancedUserInterface xor $user instanceof AdvancedUserInterface) {
            return true;
        }

        return false;
    }