(PHP 5 >= 5.3.0, PHP 7) Rewinds all attached iterator instances

(PHP 5 >= 5.3.0, PHP 7) Sets the mode of iteration

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start

(PHP 5 >= 5.3.0, PHP 7) Constructs a new queue implemented using a doubly linked list

(PHP 5 >= 5.2.2, PHP 7) Serializes the storage

(PHP 5 >= 5.4.0, PHP 7) Return the traits used by the given class

(PHP 5 >= 5.2.0, PHP 7) Sort entries using a "natural order" algorithm

(PHP 5 >= 5.1.0, PHP 7) Call a function for every element in an iterator

(PHP 5 >= 5.3.0, PHP 7) Get current entry

(PHP 5 >= 5.1.2, PHP 7) Default implementation for __autoload()