facebook/hiphop-php — pull request #807 by Parent5446 (2013-06-11 03:43:54+00:00)
Title: Added PHP implementations for PHP SPL classes

Added PHP implementations for PHP SPL classes that are currently missing
from HHVM. These include:
* SplDoublyLinkedList
* SplQueue and SplStack
* SplFixedArray
* SplHeap, SplMinHeap, and SplMaxHeap
* SplPriorityQueue
* SplTempFileObject