子数组中所有元素的求和-PHP
我将下面的数组设置为$main_数组。希望将子数组中的所有元素相加,例如[0]=>6、[1]=>11、[2]=>15子数组中所有元素的求和-PHP,php,multidimensional-array,Php,Multidimensional Array,我将下面的数组设置为$main_数组。希望将子数组中的所有元素相加,例如[0]=>6、[1]=>11、[2]=>15 Array ( [0] => Array ( [0] => 1 [1] => 2 [2] => 3 ) [1] => Array ( [0] => 2 [1] => 4
Array
(
[0] => Array
(
[0] => 1
[1] => 2
[2] => 3
)
[1] => Array
(
[0] => 2
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => 8
[1] => 4
[2] => 3
)
)
尝试了以下代码
foreach ($main_array as $key => $value)
$main_array[$key] = Array('1'=>array_sum($value));
print_r($main_array);
但是我得到的数组结构是
Array
(
[0] => Array
(
[1] => 6
)
[1] => Array
(
[1] => 11
)
[2] => Array
(
[1] => 15
)
)
我希望数组结构如下所示
Array
(
[0] => 6
[1] => 11
[2] => 15
)
提前谢谢 调用数组函数时,显式生成数组,因此必须从
Array('1'=>Array_sum($value))中删除它代码>
这就是您的代码应该是什么样子
foreach ($main_array as $key => $value)
$main_array[$key] = array_sum($value);
试试这个:
foreach ($main_array as $key => $value)
$main_array[$key] = array_sum($value);
也就是说,将总和直接放入顶级数组。这很有帮助。谢谢!