PlHeap::iterator returns a flat array iterator.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>

diff --git a/classes/plheap.php b/classes/plheap.php
index 39870b9..6dafc1a 100644 (file)
--- a/classes/plheap.php
+++ b/classes/plheap.php
@@ -67,7 +67,7 @@ class PlHeap
 
     public function iterator()
     {
-        return PlIterator::fromArray($this->content);
+        return PlIteratorUtils::fromArray($this->content, 1, true);
     }
 }