Goose\Modules\Extractors\MetaExtractor::getMetaContent PHP Method

    private function getMetaContent(Document $doc, $property, $value, $attr = 'content')
    {
        $nodes = $this->getNodesByLowercasePropertyValue($doc, 'meta', $property, $value);
        if (!$nodes->count()) {
            return '';
        }
        $content = $nodes->first()->attr($attr);
        $content = trim($content);
        return $content;
    }