(PHP 5, PHP 7) Get the current depth of the recursive iteration

(PHP 5 >= 5.1.0, PHP 7) Begin children public

(PHP 5, PHP 7) Rewind the iterator to the first element of the top level inner iterator

(PHP 5, PHP 7) The current active sub iterator

(PHP 5 >= 5.1.0, PHP 7) Returns the inner iterator for the current entry.

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

(PHP 5 >= 5.1.0, PHP 7) Returns if an iterator can be created fot the current entry.

(PHP 5 >= 5.1.0, PHP 7) Has children public

(PHP 5 >= 5.1.0, PHP 7) Next element public

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