PHP - Merge 2 arrays of object using a key/id - php

Question

I want to merge the 2 arrays of objects based on the 'id' field of Array1 and the 'itemVendorCode' of Array2. I also wanted to remove from the resulting arrays of object anything that didn't match.
Array1:
Array
(
[0] => stdClass Object
(
[id] => 10-423-1176
[qty] => 2
[price] => 12.6
)
[1] => stdClass Object
(
[id] => 89-575-2354
[qty] => 24
[price] => 230.35
)
[2] => stdClass Object
(
[id] => 89-605-1250
[qty] => 2
[price] => 230.35
)
)
Array2:
Array
(
[0] => Item Object
(
[internalId] => 14062
[itemVendorCode] => 89-605-1250
)
[1] => Item Object
(
[internalId] => 33806
[itemVendorCode] => 89-575-2354
)
[2] => Item Object
(
[internalId] => 64126
[itemVendorCode] => 26-295-1006
)
)

Answer 1

I was able to solve this by this code:
$indexed = array();
foreach($itemsArray as $value) {
$indexed[$value->itemVendorCode] = $value;
}
$results = array();
foreach($vendorItems as $obj) {
$value = $indexed[$obj->id];
if (isset($value)) {
foreach($value as $name => $val) {
$obj->$name = $val;
array_push($results, $obj);
}
}
}
print_r($results);
credits to the original poster. I just modified it a bit,
I was able to get the result like this:
Array
(
[0] => stdClass Object
(
[id] => 10-423-1176
[qty] => 2
[price] => 12.6
[internalId] => 2035
[itemVendorCode] => 10-423-1176
)
[1] => stdClass Object
(
[id] => 10-423-1176
[qty] => 2
[price] => 12.6
[internalId] => 2035
[itemVendorCode] => 10-423-1176
)
[2] => stdClass Object
(
[id] => 14-102-1010
[qty] => 16
[price] => 3.2
[internalId] => 57033
[itemVendorCode] => 14-102-1010
)
)

Answer 2

I think you will have to use array_map function which provides you a callback function to execute on array(s).
In the callback function:
- declare your array1
- foreach the second array
- set an if statement to check that the current iteration with the id value matches the itemVendorCode of the array2 and return it
something like this:
// You have to specify to PHP to use a local copy of your $array2 to works with it into your callback
$cb = function ($obj1) use ($array2)
{
// you foreach this array
foreach ($array2 as $obj2) {
// if the value of id matches itemVendorCode
if ($obj1->id === $obj2->itemVendorCode) {
// you return the id
return $obj->id;
}
}
};
// this function will fill a new array with all returned data
$mergedArray = array_map($cb, $array1);
This code is a sample but doesn't provide you, your needled solution, try to update it to do what you exactly want ;)