<?php
$myArray = [
0 => [
"id" => 1,
"title" => 'title1'
],
1 => [
"id" => 2,
"title" => 'title2'
],
2 => [
"id" => 3,
"title" => 'title3'
],
3 => [
"id" => 4,
"title" => 'title4'
]
];
foreach( $myArray as &$item) {
$item['funcResult'] = myFunc( $item['id']);
}
function myFunc($n) { return 10 * $n; }
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