Recursively convert objects to arrays.

Author: lindyhopchris

src/Object/ObjectProxyTrait.php

@@ -237,6 +237,6 @@ public function exchangeArray(array $input)
      */
     public function toArray()
     {
-        return (array) $this->getProxy();
+        return ObjectUtils::toArray($this->getProxy());
     }
 }

src/Object/ObjectUtils.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * Copyright 2015 Cloud Creativity Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace CloudCreativity\JsonApi\Object;
+
+use InvalidArgumentException;
+
+class ObjectUtils
+{
+
+    /**
+     * @param $object
+     * @return array
+     */
+    public static function toArray($object)
+    {
+        if (!is_object($object)) {
+            throw new InvalidArgumentException('Expecting an object to convert to an array.');
+        }
+
+        $arr = [];
+
+        foreach (get_object_vars($object) as $key => $value) {
+            $arr[$key] = is_object($value) ? static::toArray($value) : $value;
+        }
+
+        return $arr;
+    }
+}

test/Object/ObjectProxyTraitTest.php

@@ -18,6 +18,8 @@
 
 namespace CloudCreativity\JsonApi\Object;
 
+use stdClass;
+
 class ObjectProxyTraitTest extends \PHPUnit_Framework_TestCase
 {
 
@@ -155,4 +157,28 @@ public function testArrayExchangeable()
         $this->assertEquals($arr, $this->trait->toArray());
         $this->assertEquals($this->proxy, $this->trait->getProxy());
     }
-}
+
+    public function testToArrayRecursive()
+    {
+        $object = new stdClass();
+        $object->foo = 'bar';
+        $object->baz = new stdClass();
+        $object->baz->bat = 'bazbat';
+        $object->baz->foobar = new stdClass();
+        $object->baz->foobar->bazbat = 'foobarbazbat';
+
+        $expected = [
+            'foo' => 'bar',
+            'baz' => [
+                'bat' => 'bazbat',
+                'foobar' => [
+                    'bazbat' => 'foobarbazbat',
+                ],
+            ],
+        ];
+
+        $this->trait->setProxy($object);
+
+        $this->assertSame($expected, $this->trait->toArray());
+    }
+}