dropped in future PHP versions. (Lars Strojny, Felipe, Marcus)
. Added "request_order" INI variable to control specifically $_REQUEST behavior.
(Stas)
+ . Added support for exception linking. (Marcus)
+ . Added ability to handle exceptions in destuctors. (Marcus)
- Improved PHP runtime speed and memory usage:
. Removed direct executor recursion. (Dmitry)
. Added SplHeap, SplMinHeap, SplMaxHeap, SplPriorityQueue classes. (Etienne)
. Added new parameter $prepend to spl_autoload_register(). (Etienne)
. Added FixedArray. (Etienne, Tony)
+ . Added delaying exceptions in SPL's autoload mechanism. (Marcus)
- Improved Zend Engine:
. Added "compact" handler for Zend MM storage. (Dmitry)