(PHP 5 >= 5.4.0, PHP 7) Write a field array as a CSV line

(PHP 5 >= 5.1.0, PHP 7) Seek to a position

(PHP 5 >= 5.3.6, PHP 7) Removes all objects except for those contained in another storage from the current

(PHP 5 >= 5.1.0, PHP 7) Get maximum line length

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start

(PHP 5 >= 5.1.2, PHP 7) Gets an SplFileObject object for the file

(PHP 5 >= 5.1.0, PHP 7) Returns if an iterator can be created fot the current entry.

(PHP 5 >= 5.1.0, PHP 7) Returns if the current iterator entry is valid

(PHP 5 >= 5.3.0, PHP 7) Constructs a new empty queue

(PHP 5 >= 5.1.2, PHP 7) Gets the last modified time