(PHP 5 >= 5.1.0, PHP 7) Returns the current storage entry

(PHP 5 >= 5.1.0, PHP 7) Sets the iterator classname for the ArrayObject.

(PHP 5 >= 5.1.0, PHP 7) Adds an object in the storage

(PHP 5 >= 5.1.2, PHP 7) Gets file size public

(PHP 5 >= 5.1.0, PHP 7) Gets line from file and strip HTML tags

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

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

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

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

(PHP 5 >= 5.3.0, PHP 7) Inserts an element in the queue by sifting it up.