(PHP 5 >= 5.0.0, PHP 7) Get the number of public properties in the ArrayObject

(PHP 5 >= 5.1.0, PHP 7) Retrieve current line of file

(PHP 5 >= 5.1.0, PHP 7) Gets character from file

(PHP 5 >= 5.1.0, PHP 7) Return current file position

(PHP 5 >= 5.1.0, PHP 7) Begin Iteration public

(PHP 5 >= 5.1.2, PHP 7) Tells if file is readable

(PHP 5 >= 5.1.0, PHP 7) Next element public

(PHP 5 >= 5.0.0, PHP 7) Creates a copy of the ArrayObject.

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

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