This is my php code, and I want to add a manual description and keywords in here?
// define meta tags
$meta_title = $video['video_title'] . ' MyWebsite ';
$video['excerpt'] = (empty($video['excerpt'])) ? $video['video_title'] : $video['excerpt'];
$meta_description = generate_excerpt(str_replace('"', '"', $video['excerpt']), 150) .'...';
$meta_keywords = '';
if(is_array($tags_arr))
foreach($tags_arr as $id => $v)
{
$meta_keywords .= $v['tag'] . ', ';
}
$meta_keywords = substr($meta_keywords, 0, -2);
// end