<?php
$a = [
['ID' => 1, 'Count' => 2],
];
$b = [
['ID' => 1, 'Count' => 4],
['ID' => 2, 'Count' => 3]
];
var_export(
array_values(
array_reduce(
array_merge($a, $b),
function ($result, $row) {
if (!isset($result[$row['ID']])) {
$result[$row['ID']] = $row;
} else {
$result[$row['ID']]['Count'] += $row['Count'];
}
return $result;
},
[]
)
)
);
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
- array (
0 =>
array (
'ID' => 1,
'Count' => 6,
),
1 =>
array (
'ID' => 2,
'Count' => 3,
),
)
- 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,
'Count' => 6,
),
1 =>
array (
'ID' => 2,
'Count' => 3,
),
)
preferences:
75.61 ms | 408 KiB | 5 Q