<?php
$months = [
'2023-04',
'2023-03',
'2023-04',
'2023-04',
'2023-02',
];
$amounts = [
833,
223,
829,
220,
498
];
$sums = [];
foreach($months as $i => $month) {
if (!isset($sums[$month])) {
$sums[$month] = 0;
}
$sums[$month] += $amounts[$i];
}
var_dump($sums);
- Output for 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(3) {
["2023-04"]=>
int(1882)
["2023-03"]=>
int(223)
["2023-02"]=>
int(498)
}
preferences:
73.76 ms | 406 KiB | 5 Q