bug symfony#16546 [Serializer] ObjectNormalizer: don't serialize static methods and props (dunglas)

This PR was squashed before being merged into the 2.7 branch (closes symfony#16546).

Discussion
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[Serializer] ObjectNormalizer: don't serialize static methods and props

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  |no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#16485
| License       | MIT
| Doc PR        | n/a

Commits
-------

1fab27b [Serializer] ObjectNormalizer: don't serialize static methods and props

Author: fabpot

src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php

@@ -68,6 +68,7 @@ public function normalize($object, $format = null, array $context = array())
             $reflClass = new \ReflectionClass($object);
             foreach ($reflClass->getMethods(\ReflectionMethod::IS_PUBLIC) as $reflMethod) {
                 if (
+                    !$reflMethod->isStatic() &&
                     !$reflMethod->isConstructor() &&
                     !$reflMethod->isDestructor() &&
                     0 === $reflMethod->getNumberOfRequiredParameters()
@@ -86,7 +87,9 @@ public function normalize($object, $format = null, array $context = array())
 
             // properties
             foreach ($reflClass->getProperties(\ReflectionProperty::IS_PUBLIC) as $reflProperty) {
-                $attributes[$reflProperty->getName()] = true;
+                if (!$reflProperty->isStatic()) {
+                    $attributes[$reflProperty->getName()] = true;
+                }
             }
 
             $attributes = array_keys($attributes);

src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php

@@ -456,6 +456,11 @@ public function testNoTraversableSupport()
     {
         $this->assertFalse($this->normalizer->supportsNormalization(new \ArrayObject()));
     }
+
+    public function testNormalizeStatic()
+    {
+        $this->assertEquals(array('foo' => 'K'), $this->normalizer->normalize(new ObjectWithStaticPropertiesAndMethods()));
+    }
 }
 
 class ObjectDummy
@@ -605,3 +610,14 @@ public function otherMethod()
         throw new \RuntimeException('Dummy::otherMethod() should not be called');
     }
 }
+
+class ObjectWithStaticPropertiesAndMethods
+{
+    public $foo = 'K';
+    public static $bar = 'A';
+
+    public static function getBaz()
+    {
+        return 'L';
+    }
+}