chamilo / chamilo-lms

                WHERE field_id = $field_id AND tag LIKE '$tag%' ORDER BY tag LIMIT $limit";

        $result = Database::query($sql);

        $return = array();

        if (Database::num_rows($result) > 0) {

            while ($row = Database::fetch_array($result, 'ASSOC')) {

                $return[] = array('key' => $row['tag'], 'value' => $row['tag']);

            }

        }

        if ($return_format === 'json') {

            $return = json_encode($return);

        }

                ORDER BY tag";

        $result = Database::query($sql);

        $return = array();

        if (Database::num_rows($result) > 0) {

            while ($row = Database::fetch_array($result, 'ASSOC')) {

                $return[$row['id']] = array('tag' => $row['tag'], 'count' => $row['count']);

            }

        }

        return $return;

    }

        $result = Database::query($sql);

        $return = array();

        if (Database::num_rows($result) > 0) {

            while ($row = Database::fetch_array($result, 'ASSOC')) {

                $return[$row['id']] = array('tag' => $row['tag'], 'count' => $row['count']);

            }

        }

        $user_tags = $return;

        $tag_tmp = array();

        foreach ($user_tags as $tag) {