(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start (no-op)

(PHP 5 >= 5.1.0, PHP 7) Count the elements in an iterator

(PHP 5 >= 5.1.2, PHP 7) Gets last access time of the file

(PHP 5 >= 5.3.0, PHP 7) Return current array index

(PHP 5 >= 5.3.0, PHP 7) Sets the mode of iteration

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

(PHP 5 >= 5.1.2, PHP 7) Returns the path to the file as a string

(PHP 5 >= 5.1.0, PHP 7) Returns the number of objects in the storage

(PHP 5 >= 5.1.0, PHP 7) Gets line from file and parse as CSV fields

(PHP 5 >= 5.3.0, PHP 7) Recover from the corrupted state and allow further actions on the queue.