Jarves\Configuration\Model::appendXmlProperty PHP Method

    public function appendXmlProperty($key, \DOMNode $parentNode, $printDefaults = false, $printComments = false)
    {
        if (!$this->canPropertyBeExported($key)) {
            return;
        }
        if (!$this->_defaultProperties) {
            $reflection = new \ReflectionClass($this);
            $this->_defaultProperties = $reflection->getDefaultProperties();
        }
        if (!$this->_modelProperties) {
            $reflectionModel = new \ReflectionClass(__CLASS__);
            $this->_modelProperties = $reflectionModel->getDefaultProperties();
        }
        $getter = 'get' . ucfirst($key);
        if (!method_exists($this, $getter)) {
            return;
        }
        $method = new \ReflectionMethod($this, $getter);
        $parameters = $method->getParameters();
        if (isset($parameters[0]) && 'orCreate' === $parameters[0]->getName()) {
            $val = $this->{$getter}($printDefaults);
        } else {
            $val = $this->{$getter}();
        }
        if ($this->_defaultProperties[$key] == $val && (!$printDefaults || in_array($key, $this->excludeDefaults))) {
            return;
        }
        if (array_key_exists($key, $this->_modelProperties)) {
            return;
        }
        $setter = 'append' . ucfirst($key) . 'Xml';
        if (is_callable(array($this, $setter))) {
            return $this->{$setter}($parentNode, $printDefaults);
        } else {
            return $this->appendXmlValue($key, $val, $parentNode, null, $printDefaults, $printComments);
        }
    }