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