(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) The current active sub iterator

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

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

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

(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) Get inner iterator

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