Get 2 paragraphs from content for an excerpt

// Get 2 paragraphs from resource content for excerpt
function fs_resource_excerpt($content) {
    $dom = new DOMDocument();
    $dom->loadHTML(mb_convert_encoding(wpautop($content), 'HTML-ENTITIES', 'UTF-8'));
    $finder = $dom->getElementsByTagName('p');
    $count = 1;
    $newPara = '';
    foreach ($finder as $item ) {
        if ($count <= 2) {
            $newPara .= '<p>' . $item->nodeValue . '</p>';
        }
        $count++;
    }

    return $newPara;
}