Plugin::rearrangePriorities PHP Method

    public function rearrangePriorities()
    {
        $this->cacheQueries = false;
        $datas = $this->find('all', array('order' => 'Plugin.priority'));
        $count = count($datas);
        for ($i = 0; $i < $count; $i++) {
            $datas[$i]['Plugin']['priority'] = $i + 1;
        }
        if (!$this->saveMany($datas)) {
            return false;
        }
        return true;
    }