duan1396 2015-11-17 21:21 采纳率: 0%
浏览 639
已采纳

如何使用foreach循环中的现有数组值在PHP中创建新数组

I have an array ($datesandadults) with pairs of values which are the date and the number of people:

Array ( 
    [0] => stdClass Object ( 
            [thedate] => April 9, 2016 
            [theadults] => 6
        ) 
    [1] => stdClass Object ( 
            [thedate] => April 10, 2016 
            [theadults] => 9 
        )
...

I need to modify thedate value then put everything back into a new similar structured array. my code doesn't work, all it gives is:

Array ( 
    [0] => date 
    [1] => adults 
    [thedate] => 2016-04-09 
    [adults] => ) 

The code I am using is:

$final_results = array('thedate','adults');

foreach ($datesandadults as $res2) {
    foreach( $res2 as $key => $value) {
        if ($key=='thedate') {
            $actualtime=strtotime($value);
            $value = date('Y-m-d', $actualtime);
        }

        $final_results[thedate] = $res2->thedate;
        $final_results[adults] = $res2->adults;
    }
}

I know my current code is nonsense but maybe will give an idea what I need..

  • 写回答

2条回答 默认 最新

  • dongmou9260 2015-11-17 21:33
    关注

    You have an array of objects, not arrays. You need to loop through the objects, creating a new array. You can access the object properties directly, so you do not need the interior foreach loop.

    // initialize empty result array
    $final_results = []; // use array() for PHP < 5.4
    
    foreach ($datesandadults as $res2) {
    
       // convert original date value
       $actualtime = strtotime($res2->thedate);
       $date_value = date('Y-m-d', $actualtime);
    
       // create new object with updated values
       $new_object = (object) array(
           'thedate' => $date_value,
           'theadults' => $res2->theadults
       );
    
       // add new object to result array
       $final_results[] = $new_object;
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
查看更多回答(1条)

报告相同问题?

悬赏问题

  • ¥15 欧拉系统opt目录空间使用100%
  • ¥15 ul做导航栏格式不对怎么改?
  • ¥20 用户端如何上传图片到服务器和数据库里
  • ¥15 现在研究生在烦开题,看了一些文献,但不知道自己要做什么,求指导。
  • ¥30 vivado封装时总是显示缺少一个dcp文件
  • ¥100 pxe uefi启动 tinycore
  • ¥15 我pycharm运行jupyter时出现Jupyter server process exited with code 1,然后打开cmd显示如下
  • ¥15 可否使用carsim-simulink进行四轮独立转向汽车的联合仿真,实现四轮独立转向汽车原地旋转、斜向形式、横移等动作,如果可以的话在carsim中如何进行相应设置
  • ¥15 Caché 2016 在Java环境通过jdbc 执行sql报Parameter list mismatch错误,但是同样的sql使用连接工具可以查询出数据
  • ¥15 疾病的获得与年龄是否有关