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

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

(PHP 5 >= 5.4.0, PHP 7) Check whether the inner iterator's current element has children

(PHP 5 >= 5.3.0, PHP 7) Gets the registered iterator instances

(PHP 5 >= 5.2.2, PHP 7) The number of elements in the iterator

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

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

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

(PHP 5 >= 5.1.0, PHP 7) Moves the inner Iterator forward or rewinds it

(PHP 5 >= 5.4.0, PHP 7) Returns current regular expression