(PHP 5 >= 5.3.0, PHP 7) Gets the flag information

(PHP 5 >= 5.1.0, PHP 7) Get the inner iterator

(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, PHP 7) Get inode for the current DirectoryIterator item

(PHP 5, PHP 7) Get last modification time of current DirectoryIterator item

(PHP 5 >= 5.1.0, PHP 7) Get current element

(PHP 5 >= 5.3.0, PHP 7) Check validity public

(PHP 5 >= 5.2.0, PHP 7) The offsetExists purpose

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