<?php
$the_array = [
['id' => 1, 'value' => 10, 'name' => 'apple'],
['id' => 1, 'value' => 20, 'name' => 'orange'],
['id' => 1, 'value' => 30, 'name' => 'banana'],
['id' => 2, 'value' => 100, 'name' => 'car'],
['id' => 2, 'value' => 200, 'name' => 'bicycle'],
];
var_export(
array_values(
array_reduce(
$the_array,
function ($carry, $row) {
if (!isset($carry[$row['id']])) {
$carry[$row['id']] = $row;
} else {
$carry[$row['id']]['value'] += $row['value'];
$carry[$row['id']]['name'] .= ",{$row['name']}";
}
return $carry;
}
)
)
);
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
- array (
0 =>
array (
'id' => 1,
'value' => 60,
'name' => 'apple,orange,banana',
),
1 =>
array (
'id' => 2,
'value' => 300,
'name' => 'car,bicycle',
),
)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array (
0 =>
array (
'id' => 1,
'value' => 60,
'name' => 'apple,orange,banana',
),
1 =>
array (
'id' => 2,
'value' => 300,
'name' => 'car,bicycle',
),
)
preferences:
140.96 ms | 402 KiB | 158 Q