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

(PHP 5 >= 5.3.0, PHP 7) Return current node index

(PHP 5 >= 5.3.0, PHP 7) Check whether the doubly linked list contains more nodes

(PHP 5 >= 5.1.0, PHP 7) Exchange the array for another one.

(PHP 5 >= 5.3.0, PHP 7) Adds an element to the queue.

(PHP 5 >= 5.2.0, PHP 7) Sort the entries by value

(PHP 5 >= 5.2.0, PHP 7) Return hash id for given object

(PHP 5 >= 5.1.2, PHP 7) SplFileObject does not have children

(PHP 5 >= 5.1.0, PHP 7) Receive update from subject

(PHP 5 >= 5.3.0, PHP 7) Return current array entry