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

(PHP 5 >= 5.1.0, PHP 7) Gets the ArrayIterator

(PHP 5 >= 5.3.0, PHP 7) Checks whether the doubly linked list is empty.

(PHP 5 >= 5.1.0, PHP 7) Seek to a position

(PHP 5 >= 5.1.2, PHP 7) Gets an SplFileObject object for the file

(PHP 5 >= 5.1.0, PHP 7) Construct public

(PECL spl_types >= 0.1.0) Returns all consts (possible values) as an array.

(PHP 5 >= 5.2.2, PHP 7) Get base name of current DirectoryIterator item.

(PHP 5 >= 5.1.2, PHP 7) SplFileObject does not have children

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