Fixed error if an array is empty in RpcLiteralRequestMessageBinder

ServiceBinding/RpcLiteralRequestMessageBinder.php

@@ -49,24 +49,29 @@ class RpcLiteralRequestMessageBinder implements MessageBinderInterface
 
         if (preg_match('/^([^\[]+)\[\]$/', $phpType, $match)) {
             $isArray = true;
+            $array   = array();
             $phpType = $match[1];
         }
 
         // @TODO Fix array reference
         if (isset($this->definitionComplexTypes[$phpType])) {
             if ($isArray) {
-                $array = array();
+                if (isset($message->item)) {
-
                     foreach ($message->item as $complexType) {
                         $array[] = $this->checkComplexType($phpType, $complexType);
                     }
+                }
 
                 $message = $array;
             } else {
                 $message = $this->checkComplexType($phpType, $message);
             }
         } elseif ($isArray) {
+            if (isset($message->item)) {
                 $message = $message->item;
+            } else {
+                $message = $array;
+            }
         }
 
         return $message;

Tests/ServiceBinding/RpcLiteralRequestMessageBinderTest.php

@@ -115,6 +115,21 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array('fooBar' => $fooBar), $result);
     }
 
+    public function testProcessMessageWithEmptyArrayComplexType()
+    {
+        $messageBinder = new RpcLiteralRequestMessageBinder();
+
+        $result = $messageBinder->processMessage(
+            new Definition\Method('empty_array_complex_type', null, array(), array(
+                new Definition\Argument('foo', new Definition\Type('BeSimple\SoapBundle\Tests\fixtures\ServiceBinding\Foo[]')),
+            )),
+            array(new \stdClass()),
+            $this->getDefinitionComplexTypes()
+        );
+
+        $this->assertEquals(array('foo' => array()), $result);
+    }
+
     public function messageProvider()
     {
         $messages = array();
@@ -153,6 +168,14 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
             array('foo' => array('foo', 'bar', 'barfoo'), 'bar' => 4),
         );
 
+        $messages[] = array(
+            new Definition\Method('empty_array', null, array(), array(
+                new Definition\Argument('foo', new Definition\Type('string[]')),
+            )),
+            array(new \stdClass()),
+            array('foo' => array()),
+        );
+
         return $messages;
     }