private function getIterator() {
		if ($this->iterator === null) {
			$this->iterator = new DirectoryIterator($this->pathname);
		}
		return $this->iterator;
	}
private function getIterator() {
		if ($this->iterator === null) {
			$this->iterator = new DirectoryIterator($this->pathname);
		}
		return $this->iterator;
	}
private function getIterator ( ) { if ( $ this -> iterator === null ) { $ this -> iterator = new DirectoryIterator ( $ this -> pathname ) ; } return $ this -> iterator ; }
Returns a directory iterator

@return DirectoryIterator
Returns a directory iterator