将数组KEY更改为子数组中的值 [英] Change the array KEY to a value from sub array

问题描述

这是我数据库中的结果集

This is the set of result from my database

print_r($plan);
Array
(
    [0] => Array
        (
            [id] => 2
            [subscr_unit] => D
            [subscr_period] => 
            [subscr_fee] => 
        )

    [1] => Array
        (
            [id] => 3
            [subscr_unit] => M,Y
            [subscr_period] => 1,1
            [subscr_fee] => 90,1000
        )

    [2] => Array
        (
            [id] => 32
            [subscr_unit] => M,Y
            [subscr_period] => 1,1
            [subscr_fee] => 150,1500
        )

)

如何将 $ plan [0] 更改为 $ plan [value_of_id]

谢谢。

推荐答案

这不会就地执行此操作，但是：

This won't do it in-place, but:

$new_plan = array();
foreach ($plan as $item)
{
  $new_plan[$item['id']] = $item;
}

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