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