public static function getCommentsBeforeByMediaShortcode($media_shortcode = null, $max_id, $count = 16, $assoc = false)
{
$comments = "comments.before({$max_id}, {$count}) { count, nodes { id, created_at, text, user { id, profile_pic_url, username } }, page_info }";
$parameters = urlencode("ig_shortcode({$media_shortcode}) { {$comments} }");
$comments = json_decode(static::getContentsFromUrl($parameters), $assoc || $assoc == "array");
if ($assoc == "array") {
$comments = $comments["comments"]["nodes"];
} else {
$comments = $comments->comments->nodes;
}
return $comments;
}