php二维数组指定下标排序

    /*
     * Effect    排序
     * author    YangYunHao
     * email     [email protected]
     * time      2018-11-26 11:59:38
     * parameter arr:排序数组,key:按什么排,type:升序降序
     * */
    function arraySort($arr,$key,$type='asc'){
        $keyArr = []; // 初始化存放数组将要排序的字段值
        foreach ($arr as $k=>$v){
            $keyArr[$k] = $v[$key]; // 循环获取到将要排序的字段值
        }
        if($type == 'asc'){
            asort($keyArr); // 排序方式,将一维数组进行相应排序
        }else{
            arsort($keyArr);
        }
        foreach ($keyArr as $k=>$v){
            $newArray[$k] = $arr[$k]; // 循环将配置的值放入响应的下标下
        }
        $newArray = array_merge($newArray); // 重置下标
        return $newArray; // 数据返回
    }

    $arr       = json_decode('[{"status":"3","create_time":"2018-11-12 16:17:17"},{"status":"1","create_time":"2018-11-26 16:49:18"},{"status":"6","create_time":"2018-11-26 17:01:13"},{"status":8,"create_time":"2018-07-22 22:28:25"}]',true);
    $newArray = arraySort($arr,'create_time','desc'); // 调用方法
    print_r($newArray);die;