Airship\Cabin\Bridge\Blueprint\Skyport::countOutdated PHP Method

    public function countOutdated() : int
    {
        $exts = $this->db->run('
            SELECT
                *
            FROM
                airship_package_cache
            WHERE
                installed
            ORDER BY
                packagetype ASC,
                supplier ASC,
                name ASC
        ');
        $count = 0;
        foreach ($exts as $ext) {
            $available = $this->getAvailableUpgrades($ext);
            if (!empty($available)) {
                ++$count;
            }
        }
        return $count;
    }