(PHP 5 >= 5.3.0, PHP 7) Returns the value at the specified index

(PHP 5, PHP 7) Determine if current DirectoryIterator item can be written to

(PHP 5 >= 5.3.0, PHP 7) Move to next entry

(PHP 5 >= 5.1.0, PHP 7) Get line number public

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

(PHP 5 >= 5.3.0, PHP 7) Set a part of the prefix

(PHP 5 >= 5.0.0, PHP 7) Check whether array contains more entries

(PHP 5 >= 5.0.0, PHP 7) Returns whether the requested index exists

(PHP 5 >= 5.3.6, PHP 7) Gets the file extension

(PHP 5 >= 5.2.0, PHP 7) Get accept status