(PHP 5 >= 5.1.0, PHP 7) Rewind the iterator

(PHP 5 >= 5.3.0, PHP 7) Get the number of directories and files

(PHP 5 >= 5.1.0, PHP 7) Return current file position

(PHP 5 >= 5.3.0, PHP 7) Has children public

(PHP 5 >= 5.2.0, PHP 7) User defined sort

(PHP 5 >= 5.3.0, PHP 7) Get current element

(PHP 5 >= 5.3.0, PHP 7) Sets the mode of iteration

(PHP 5 >= 5.3.0, PHP 7) Sets the mode of extraction

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start (no-op)

(PHP 5 >= 5.1.2, PHP 7) Sets the class used with