fix: don't strip empty arrays/objects

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v8.8.2 (2026-08-11)
+
+- Empty arrays and objects are no longer stripped when passed as params in the request
+
 ## v8.8.1 (2026-07-02)
 
 - Uppercases all HTTP methods to correct a new Guzzle deprecation

composer.json

@@ -1,7 +1,7 @@
 {
   "name": "easypost/easypost-php",
   "description": "EasyPost Shipping API Client Library for PHP",
-  "version": "8.8.1",
+  "version": "8.8.2",
   "keywords": [
     "shipping",
     "api",

lib/EasyPost/Constant/Constants.php

@@ -11,7 +11,7 @@ abstract class Constants
     const BETA_API_VERSION = 'beta';
 
     // Library constants
-    const LIBRARY_VERSION = '8.8.1';
+    const LIBRARY_VERSION = '8.8.2';
     const SUPPORT_EMAIL = 'support@easypost.com';
 
     // Validation

lib/EasyPost/Http/Requestor.php

@@ -80,7 +80,7 @@ private static function encodeObjects(mixed $data): array|string
         } elseif (is_array($data)) {
             $resource = [];
             foreach ($data as $k => $v) {
-                if (!is_null($v) and ($v !== '') and (!is_array($v) or !empty($v))) {
+                if (!is_null($v) and ($v !== '')) {
                     $resource[$k] = self::encodeObjects($v);
                 }
             }

test/EasyPost/ShipmentTest.php

@@ -293,7 +293,7 @@ public function testCreateEmptyObjects(): void
         $this->assertInstanceOf(Shipment::class, $shipment);
         $this->assertStringMatchesFormat('shp_%s', $shipment->id);
         $this->assertNotEmpty($shipment->options); // The EasyPost API populates some default values here
-        $this->assertEmpty($shipment->customs_info);
+        $this->assertEmpty($shipment->customs_info->customs_items);
         $this->assertNull($shipment->reference);
     }