(PHP 5 >= 5.1.0, PHP 7) Rewind the iterator

(PHP 5 >= 5.2.0, PHP 7) Sort an array naturally, case insensitive

(PHP 5 >= 5.1.2, PHP 7) Gets the filename

(PHP 5, PHP 7) Get inode change time of the current DirectoryIterator item

(PHP 5 >= 5.2.0, PHP 7) Sort array by values

(PHP 5 >= 5.3.0, PHP 7) Checks whether an object exists in the storage

(PHP 5 >= 5.1.0, PHP 7) Constructs an InfiniteIterator

(PHP 5 >= 5.1.0, PHP 7) Rewind the iterator to the first storage element

(PHP 5 >= 5.3.0, PHP 7) Gets the flag information

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