(PHP 5 >= 5.1.2, PHP 7) Sets the class used with

(PHP 5 >= 5.1.0, PHP 7) Returns the current storage entry

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

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

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

(PHP 5 >= 5.2.0, PHP 7) Sort the entries by key

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

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

(PHP 5 >= 5.3.0, PHP 7) Change the size of an array

(PECL spl_types >= 0.1.0) Creates a new value of some type