- Thanks for Johannes Schlueter poiting me to this

  # Traverseable is the generic interface for Iterator, IteratorAggregate and 
  # some more internal classes which can be used with foreach
  # http://www.php.net/~helly/php/ext/spl/interfaceTraversable.html

1 files changed, 1 insertions, 1 deletions

diff --git a/src/datasets/array.php b/src/datasets/array.php
index 076a395..44882be 100644
--- a/src/datasets/array.php
+++ b/src/datasets/array.php
@@ -39,7 +39,7 @@ class ezcGraphArrayDataSet extends ezcGraphDataSet
     protected function createFromArray( $data = array() ) 
     {
         if ( !is_array( $data ) && 
-             !( $data instanceof Iterator ) )
+             !( $data instanceof Traversable ) )
         {
             throw new ezcGraphInvalidArrayDataSourceException( $data );
         }