(PHP 5 >= 5.3.0, PHP 7) Serialize public string

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

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

(PHP 5 >= 5.3.0, PHP 7) Return current array entry

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

(PHP 5, PHP 7) Return the key for the current DirectoryIterator item

(PHP 5 >= 5.5.11, PHP 7) Read from file public

(PHP 5 >= 5.1.0, PHP 7) Returns the inner iterator for the current entry.

(PHP 5 >= 5.1.0, PHP 7) Begin children public

(PHP 5 >= 5.3.0, PHP 7) Returns the mode of iteration