(PHP 5 >= 5.1.0, PHP 7) Checks if the iterator is valid

(PHP 5 >= 5.1.0, PHP 7) The valid() method

(PHP 5 >= 5.1.0, PHP 7) Gets information about the file

(PHP 5, PHP 7) Access the current key public

(PHP 5 >= 5.1.0, PHP 7) No purpose public

(PHP 5 >= 5.3.0, PHP 7) Associates data to an object in the storage

(PHP 5 >= 5.4.0, PHP 7) Return the inner iterator's children contained in a RecursiveCallbackFilterIterator

(PHP 5, PHP 7) Determine if current DirectoryIterator item is a regular file

(PHP 5 >= 5.1.0, PHP 7) Check whether the inner iterator's current element has children

(PHP 5 >= 5.1.0, PHP 7) Return the inner iterator's children contained in a RecursiveFilterIterator