(PHP 5 >= 5.1.0, PHP 7) Attach an SplObserver

(PHP 5 >= 5.2.0, PHP 7) Returns whether an iterator can be obtained for the current entry.

(PHP 5 >= 5.3.0, PHP 7) Return current node index

(PHP 5 >= 5.3.0, PHP 7) Returns a PHP array from the fixed array

(PHP 5, PHP 7) Get group for the current DirectoryIterator item

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

(PHP 5 >= 5.3.0, PHP 7) The current file public

(PHP 5 >= 5.3.0, PHP 7) Returns the data associated with the current iterator entry

(PHP 5 >= 5.3.0, PHP 7) Retrieve the key for the current file

(PHP 5 >= 5.3.0, PHP 7) Check whether the queue contains more nodes