Enhancing YouTube and Vimeo Video Embeds for GDPR Compliance in WordPress

gistfile1.txt

add_filter('embed_oembed_html', 'gdpr_compliant_embed_for_youtube_and_vimeo');
function gdpr_compliant_embed_for_youtube_and_vimeo($html)
{
    if (preg_match('/src="(.+?)"/', $html, $matches)) {
        $source = !empty($matches[1]) ? parse_url($matches[1]) : '';
        $host = !empty($source['host']) ? $source['host'] : '';

        // For Youtube embedded videos
        if ($host && ($host == 'www.youtube.com' || $host == 'youtu.be')) {
            $html = str_replace($host, 'www.youtube-nocookie.com', $html);
        }

        // For Vimeo embedded videos
        if ($host && $host == 'player.vimeo.com' && strpos($matches[1], 'dnt=1') === false) {
            $html = str_replace($matches[1], $matches[1] . '&dnt=1', $html);
        }
    }

    return $html;
}