(PHP 5, PHP 7) Check whether the current position is valid

(PHP 5 >= 5.2.0, PHP 7) Set the delimiter and enclosure character for CSV

(PHP 5 >= 5.3.0, PHP 7) Counts the number of elements in the doubly linked list.

(PHP 5 >= 5.2.0, PHP 7) Get flags used public

(PHP 5 >= 5.0.0, PHP 7) Get value for an offset

(PHP 5 >= 5.1.2, PHP 7) Gets the inode for the file

(PHP 5, PHP 7) Constructs a new directory iterator from a path

(PHP 5 >= 5.1.0, PHP 7) Get the key of the current element

(PHP 5, PHP 7) Return file name of current DirectoryIterator item.

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