$followingInfo = $this->getOgisticsInfoByNum($company,$typeNu);

$count = count($followingInfo['data']);
//按时间正序排列
foreach($followingInfo['data'] as $key => $val){
    $followingInfo['data'][$count - ($key + 1)] = $val;
}

//先统计数组总的个数，在循环的时候减去对应的key+1的值。