(PHP ActiveX) Shopify Update Inventory Level for a Product (Adjust available quantity)

Use the adjust endpoint with the location ID and inventory item ID to increase or decrease the available quantity for an inventory level:

For more information, see https://shopify.dev/tutorials/manage-product-inventory-with-admin-api#update-inventory-levels-for-a-product-variant

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Http')
$http = new COM("Chilkat.Http");

$http->Login = 'SHOPIFY_PRIVATE_API_KEY';
$http->Password = 'SHOPIFY_PRIVATE_API_KEY';

// Also see: How to retrieve inventory levels

$http->Accept = 'application/json';

// The following JSON is sent in the request body:

// {
//   "location_id": 6884556842,
//   "inventory_item_id": 12250274365496,
//   "available_adjustment": 1
// }

// Use this online tool to generate the code from sample JSON: 
// Generate Code to Create JSON

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonRequestBody = new COM("Chilkat.JsonObject");
$jsonRequestBody->UpdateInt('location_id',6884556842);
$jsonRequestBody->UpdateInt('inventory_item_id',12250274365496);
$jsonRequestBody->UpdateInt('available_adjustment',1);

$url = 'https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels/adjust.json';

// resp is a Chilkat.HttpResponse
$resp = $http->PText('POST',$url,$jsonRequestBody->emit(),'utf-8','application/json',0,0);
if ($http->LastMethodSuccess != 1) {
    print $http->LastErrorText . "\n";
    exit;
}

print 'Response Status Code: ' . $resp->StatusCode . "\n";

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonResponse = new COM("Chilkat.JsonObject");
$jsonResponse->Load($resp->BodyStr);
$jsonResponse->EmitCompact = 0;
print $jsonResponse->emit() . "\n";

if ($resp->StatusCode >= 300) {
    print 'Failed.' . "\n";

    exit;
}

// Sample output...
// (See the parsing code below..)
// 
// Use the this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// {
//   "inventory_level": {
//     "inventory_item_id": 12250274365496,
//     "location_id": 6884556842,
//     "available": 9,
//     "updated_at": "2018-06-26T15:04:49-04:00",
// ...
//     "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
// ...
//   }
// }
// 

$inventory_levelInventory_item_id = $jsonResponse->IntOf('inventory_level.inventory_item_id');
$inventory_levelLocation_id = $jsonResponse->IntOf('inventory_level.location_id');
$inventory_levelAvailable = $jsonResponse->IntOf('inventory_level.available');
$inventory_levelUpdated_at = $jsonResponse->stringOf('inventory_level.updated_at');
$inventory_levelAdmin_graphql_api_id = $jsonResponse->stringOf('inventory_level.admin_graphql_api_id');

?>