Added mode to allow recursive marshalling of objects

src/main/php/webservices/rest/RestMarshalling.class.php

@@ -127,8 +127,13 @@ public function marshal($value) {
       }
 
       $class= typeof($value);
+      $classToSearchIn= $class;
+      $fields= [];
+      do {
+        $fields= array_merge($fields, $classToSearchIn->getFields());
+      } while (($classToSearchIn= $classToSearchIn->getParentclass()) !== null);
       $r= [];
-      foreach ($class->getFields() as $field) {
+      foreach ($fields as $field) {
         $m= $field->getModifiers();
         if ($m & MODIFIER_STATIC) {
           continue;

src/test/php/webservices/rest/unittest/ChildClass.class.php

@@ -0,0 +1,8 @@
+<?php namespace webservices\rest\unittest;
+
+/**
+ * Class ChildClass
+ */
+class ChildClass extends ParentClassWhithPrivateFields {
+
+}

src/test/php/webservices/rest/unittest/ParentClassWhithPrivateFields.class.php

@@ -0,0 +1,50 @@
+<?php namespace webservices\rest\unittest;
+
+use lang\Object;
+
+/**
+ * Class ParentClassWhithPrivateFields
+ */
+class ParentClassWhithPrivateFields extends Object {
+
+  /** @var string */
+  private $field1;
+
+  /** @var string */
+  private $field2;
+
+  /**
+   * @return string
+   */
+  public function getField1() {
+    return 'getter_'.$this->field1;
+  }
+
+  /**
+   * @param string $field1
+   * @return $this
+   */
+  public function setField1($field1) {
+    $this->field1= $field1;
+    return $this;
+  }
+
+  /**
+   * @return string
+   */
+  public function getField2() {
+    return 'getter_'.$this->field2;
+  }
+
+  /**
+   * @param string $field2
+   * @return $this
+   */
+  public function setField2($field2) {
+    $this->field2= $field2;
+    return $this;
+  }
+
+
+
+}

src/test/php/webservices/rest/unittest/RestMarshallingTest.class.php

@@ -1,5 +1,6 @@
 <?php namespace webservices\rest\unittest;
 
+use unittest\TestCase;
 use webservices\rest\TypeMarshaller;
 use lang\Object;
 use lang\Type;
@@ -19,7 +20,7 @@
  *
  * @see   xp://webservices.rest.RestMarshalling
  */
-class RestMarshallingTest extends \unittest\TestCase {
+class RestMarshallingTest extends TestCase {
   private static $enumClass;
   private static $walletClass;
   private static $moneyMarshaller;
@@ -164,6 +165,20 @@ public function marshal_issue_with_field() {
     );
   }
 
+  #[@test]
+  public function marshal_parent_class_with_private_fields() {
+    $instance= new ChildClass();
+    $instance->setField1('val1');
+    $instance->setField2('val2');
+    $this->assertEquals(
+      [
+        'field1' => 'getter_val1',
+        'field2' => 'getter_val2'
+      ],
+      $this->fixture->marshal($instance)
+    );
+  }
+
   #[@test]
   public function marshal_issue_with_getter() {
     $issue= new IssueWithGetter(1, 'test');