Sokil\Mongo\Document::bitwiceXor PHP 메소드

    public function bitwiceXor($field, $value)
    {
        $oldFieldValue = (int) $this->get($field);
        $newValue = $oldFieldValue ^ $value;
        parent::set($field, $newValue);
        if ($this->getId()) {
            if (version_compare($this->getCollection()->getDatabase()->getClient()->getDbVersion(), '2.6', '>=')) {
                $this->operator->bitwiceXor($field, $value);
            } else {
                $this->operator->set($field, $newValue);
            }
        }
        return $this;
    }