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

(PHP 5 >= 5.3.0, PHP 7) Constructs a new MultipleIterator

(PHP 5 >= 5.3.0, PHP 7) Gets the registered iterator instances

(PHP 5 >= 5.3.0, PHP 7) Gets the registered iterator instances

(PHP 5 >= 5.3.0, PHP 7) Gets the number of attached iterator instances

(PHP 5 >= 5.3.0, PHP 7) Detaches an iterator

(PHP 5 >= 5.3.0, PHP 7) Sets flags public

(PHP 5 >= 5.3.0, PHP 7) Attaches iterator information

(PHP 5 >= 5.3.0, PHP 7) Checks the validity of sub iterators

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