(PHP 5 >= 5.1.0, PHP 7) The key() method public

(PHP 5 >= 5.3.0, PHP 7) Detaches an iterator

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

(PHP 5, PHP 7) Return the current DirectoryIterator item.

(PHP 5 >= 5.1.0, PHP 7) Appends an iterator

(PHP 5, PHP 7) Determine the type of the current DirectoryIterator item

(PHP 5, PHP 7) Construct a new CachingIterator object for the iterator.

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

(PHP 5 >= 5.3.0, PHP 7) Constructs a new filesystem iterator

(PHP 5 >= 5.3.0, PHP 7) Get the handling flags