Merge branch 'hotfix/96'

Close #96
Fixes zfcampus/zf-apigility-admin#397
Fixes zfcampus/zf-apigility-admin-ui#149

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 3.0.1 - TBD
+## 3.0.1 - 2019-01-07
 
 ### Added
 
@@ -28,6 +28,9 @@ All notable changes to this project will be documented in this file, in reverse
   method could not be invoked as documented previously, these changes are
   considered bugfixes and not BC breaks.
 
+- [#96](https://github.com/zendframework/zend-hydrator/pull/96) fixes issue with integer keys in `ArraySerializableHydrator`. Keys are now
+  cast to strings as we have strict type declaration in the library.
+
 ## 3.0.0 - 2018-12-10
 
 ### Added

src/ArraySerializableHydrator.php

@@ -36,6 +36,8 @@ public function extract(object $object) : array
         $filter = $this->getFilter();
 
         foreach ($data as $name => $value) {
+            $name = (string) $name;
+
             if (! $filter->filter($name)) {
                 unset($data[$name]);
                 continue;

test/ArraySerializableHydratorTest.php

@@ -9,6 +9,7 @@
 
 namespace ZendTest\Hydrator;
 
+use ArrayObject;
 use PHPUnit\Framework\TestCase;
 use TypeError;
 use Zend\Hydrator\ArraySerializableHydrator;
@@ -169,4 +170,17 @@ public function testHydrationWillReplaceNestedArrayData($start, $submit, $expect
 
         $this->assertSame($expected, $final['tags']);
     }
+
+    public function testExtractArrayObject()
+    {
+        $arrayObject = new ArrayObject([
+            'value1',
+            'value2',
+            'value3',
+        ]);
+
+        $data = $this->hydrator->extract($arrayObject);
+
+        $this->assertSame(['value1', 'value2', 'value3'], $data);
+    }
 }