Bolt\Storage\Query\ContentQueryParser::parseDirectives PHP Method

    protected function parseDirectives()
    {
        if (!$this->params) {
            return;
        }
        foreach ($this->params as $key => $value) {
            if ($this->hasDirectiveHandler($key)) {
                $this->directives[$key] = $value;
                unset($this->params[$key]);
            }
        }
    }