<?php
$array = [
['_id' => '5f76b1788ee23077dccd1a2c', 'product' => ['_id'=>'5d0391a4a72ffe76b8fcc610'], 'count'=> 1],
['_id' => '5f76b6288ee2300700cd1a3a', 'product' => ['_id'=>'5d0391b6a72ffe76b8fcc611'], 'count'=> 1],
['_id' => '5f76d2488ee23083d3cd1a4a', 'product' => ['_id'=>'5d0391b6a72ffe76b8fcc611'], 'count'=> 1]
];
$result = [];
foreach ($array as $item) {
$productId = $item['product']['_id'];
if (!isset($result[$productId])) {
$result[$productId] = $item;
} else {
$result[$productId]['count'] += $item['count'];
}
}
var_export(array_values($result));
- Output for 7.2.0 - 7.2.34, 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 - 8.3.25, 8.4.1 - 8.4.12
- array (
0 =>
array (
'_id' => '5f76b1788ee23077dccd1a2c',
'product' =>
array (
'_id' => '5d0391a4a72ffe76b8fcc610',
),
'count' => 1,
),
1 =>
array (
'_id' => '5f76b6288ee2300700cd1a3a',
'product' =>
array (
'_id' => '5d0391b6a72ffe76b8fcc611',
),
'count' => 2,
),
)
preferences:
103.81 ms | 408 KiB | 5 Q