Merge 71ab04d into 83568db

CHANGELOG.md

@@ -22,7 +22,10 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
+- [#96](https://github.com/zendframework/zend-hydrator/pull/96) fixes
+  issue with integer keys in `ArraySerializableHydrator`. Keys are
+  now casted to strings as we have strict type declaration in the
+  library.
 
 ## 3.0.0 - 2018-12-10
 

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);
+    }
 }