(PHP 5 >= 5.1.0, PHP 7) Sets the behavior flags.

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

(PHP 5 >= 5.1.0, PHP 7) The current() method

(PHP 5 >= 5.1.0, PHP 7) Rewinds the Iterator

(PHP 5 >= 5.2.0, PHP 7) Get the delimiter and enclosure character for CSV

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

(PHP 5 >= 5.3.0, PHP 7) Removes objects contained in another storage from the current storage

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

(PHP 5 >= 5.1.0, PHP 7) Return the inner iterator's children as a RecursiveCachingIterator

(PHP 5 >= 5.1.0, PHP 7) Create a RecursiveFilterIterator from a RecursiveIterator