Make GraphNode not countable anymore

src/GraphNode/GraphNode.php

@@ -25,7 +25,7 @@
 /**
  * @package Facebook
  */
-class GraphNode implements \ArrayAccess, \Countable, \IteratorAggregate
+class GraphNode implements \ArrayAccess, \IteratorAggregate
 {
  /**
  * @var array maps object key names to Graph object types
@@ -126,16 +126,6 @@ public function asJson($options = 0)
  return json_encode($this->uncastFields(), $options);
  }
 
- /**
- * Count the number of fields in the collection.
- *
- * @return int
- */
- public function count()
- {
- return count($this->fields);
- }
-
  /**
  * Get an iterator for the fields.
  *

tests/GraphNode/GraphNodeTest.php

@@ -201,15 +201,6 @@ public function testACollectionCanBeConvertedToProperJson()
  $this->assertEquals('["foo","bar",123]', $graphNodeAsString);
  }
 
- public function testACollectionCanBeCounted()
- {
- $graphNode = new GraphNode(['foo', 'bar', 'baz']);
-
- $graphNodeCount = count($graphNode);
-
- $this->assertEquals(3, $graphNodeCount);
- }
-
  public function testACollectionCanBeAccessedAsAnArray()
  {
  $graphNode = new GraphNode(['foo' => 'bar', 'faz' => 'baz']);