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

(PHP 5 >= 5.3.0, PHP 7) Pops a node from the end of the doubly linked list

(PHP 5 >= 5.4.0, PHP 7) Calls the callback with the current value, the current key and the inner iterator

(PHP 5 >= 5.1.2, PHP 7) Gets the path to the file

(PHP 5 >= 5.0.0, PHP 7) Check if offset exists

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator public

(PHP 5 >= 5.1.0, PHP 7) Construct a filterIterator

(PHP 5 >= 5.1.0, PHP 7) Returns the index at which the iterator currently is

(PHP 5 >= 5.1.0, PHP 7) Set max depth public

(PHP 5 >= 5.1.0, PHP 7) Parses input from file according to a format