function addTopicTag($topic_id, $reference_string, $bible_code = 'kjv', $relevant_words = '') { # Add tag object $tag_object = addTag($reference_string, $bible_code, $relevant_words); # Add topic tag object (if applicable) if ($tag_object) { $topic_tag_object = new TopicTag(); $topic_tag_object->setTopicId($topic_id)->setTag($tag_object)->save(); } }