(PHP 5 >= 5.0.0, PHP 7) Unset value for an offset

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

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

(PHP 5 >= 5.1.0, PHP 7) Move the iterator forward

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

(PHP 5 >= 5.3.0, PHP 7) Gets the number of attached iterator instances

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

(PHP 5 >= 5.2.0, PHP 7) Sets the operation mode.

(PHP 5 >= 5.1.0, PHP 7) Gets an index of iterators

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