public static function fetch_tags_from_post(post_model $post)
{
$post_id = $post->id;
$post_tags = post_tag_model::get(array('post_id' => $post_id));
if ($post_tags === []) {
return '';
}
$tag_ids = [];
foreach ($post_tags as $post_tag) {
$tag_ids[] = (int) $post_tag->tag_id;
}
$tags = tag_model::get_by_ids($tag_ids);
$tag_names = [];
foreach ($tags as $tag) {
$tag_names[] = $tag->name;
}
return implode(',', $tag_names);
}
