Jarves\Configuration\Model::getParameterValues PHP Method

    public function getParameterValues($element = 'parameters', $childrenElement = 'parameter', $keyName = 'id')
    {
        $values = array();
        $params = $this->getDirectChild($element);
        if ($params) {
            foreach ($params->childNodes as $param) {
                /** @var $param \DOMNode */
                if ($childrenElement === $param->nodeName) {
                    if ($id = $param->attributes->getNamedItem($keyName)->nodeValue) {
                        $values[$id] = $param->nodeValue;
                    } else {
                        $values[] = $param->nodeValue;
                    }
                }
            }
        }
        return $values;
    }