Habari\Tags::get_by_frequency PHP Method

    public static function get_by_frequency($limit = null, $post_type = null, $min = 1, $max = null, $search = null, $orderby = 'count', $inverse = false)
    {
        $query = '
			SELECT t.*, tp.object_id, count(tp.object_id) as `count`
			FROM {terms} t
			LEFT JOIN {object_terms} tp ON t.id=tp.term_id
			LEFT JOIN {posts} p ON tp.object_id=p.id
			LEFT JOIN {object_types} ot ON tp.object_type_id=ot.id and ot.name="post"
			WHERE t.vocabulary_id = ?';
        $params = array(Tags::vocabulary()->id);
        if (isset($post_type)) {
            $query .= ' AND p.content_type = ?';
            $params[] = Post::type($post_type);
        }
        if (isset($search)) {
            $query .= " AND term_display LIKE ?";
            $params[] = '%' . $search . '%';
        }
        $query .= ' GROUP BY t.id';
        if (is_int($min) || is_int($max)) {
            $query .= ' HAVING';
        }
        if (is_int($min)) {
            $query .= " count >= {$min}";
        }
        if (is_int($min) && is_int($max)) {
            $query .= ' AND';
        }
        if (is_int($max)) {
            $query .= " count <= {$max}";
        }
        $valid_orderbys = array('pubdate', 'count', 'term_display');
        if (!in_array($orderby, $valid_orderbys)) {
            $orderby = 'count';
        }
        $query .= " ORDER BY `{$orderby}`";
        // Inverse both directions so the result is actually reversed tag by tag and not in blocks
        if ($inverse) {
            $query .= ' ASC, term_display DESC';
        } else {
            $query .= ' DESC, term_display ASC';
        }
        if (is_int($limit)) {
            $query .= ' LIMIT ' . $limit;
        }
        $tags = DB::get_results($query, $params, 'Term');
        return $tags ? new Terms($tags) : false;
    }