<?php
$array = [
[['value' => 1100], ['value' => 1000], ['value' => 3000]],
[['value' => 1200], ['value' => 2000], ['value' => 2000]],
[['value' => 1300], ['value' => 4000], ['value' => 1000]],
];
var_export(
array_map(fn(...$col) => $col, ...$array) // to demonstrate transposition
);
echo "\n---\n";
var_export(
array_map(
fn(...$col) => array_sum(array_column($col, 'value')),
...$array
)
);
- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- array (
0 =>
array (
0 =>
array (
'value' => 1100,
),
1 =>
array (
'value' => 1200,
),
2 =>
array (
'value' => 1300,
),
),
1 =>
array (
0 =>
array (
'value' => 1000,
),
1 =>
array (
'value' => 2000,
),
2 =>
array (
'value' => 4000,
),
),
2 =>
array (
0 =>
array (
'value' => 3000,
),
1 =>
array (
'value' => 2000,
),
2 =>
array (
'value' => 1000,
),
),
)
---
array (
0 => 3600,
1 => 7000,
2 => 6000,
)
preferences:
127.42 ms | 408 KiB | 5 Q