(PHP 5 >= 5.3.0, PHP 7) Peeks at the node from the beginning of the doubly linked list

(PHP 5 >= 5.1.0, PHP 7) Construct a new file object.

(PHP 5 >= 5.1.0, PHP 7) End Iteration public

(PHP 5, PHP 7) Access the current element value

(PHP 5 >= 5.3.0, PHP 7) Gets the size of the array

(PHP 5 >= 5.3.0, PHP 7) Return current node pointed by the iterator

(PHP 5 >= 5.1.0, PHP 7) Checks if the iterator is valid

(PHP 5 >= 5.1.0, PHP 7) Gets information about the file

(PHP 5, PHP 7) Returns the inner iterator public

(PHP 5, PHP 7) Move the iterator forward public