Other changes to extensions
New Global Constants
Migrating from PHP 5.2.x to PHP 5.3.x
PHP Manual
New Classes
The following classes were introduced in PHP 5.3.0:
Date/Time
:
DateInterval
DatePeriod
Phar
:
Phar
PharData
PharException
PharFileInfo
SPL
:
FilesystemIterator
GlobIterator
MultipleIterator
RecursiveTreeIterator
SplDoublyLinkedList
SplFixedArray
SplHeap
SplMaxHeap
SplMinHeap
SplPriorityQueue
SplQueue
SplStack
Other changes to extensions
New Global Constants
Migrating from PHP 5.2.x to PHP 5.3.x
PHP Manual