(PHP 5 >= 5.1.2, PHP 7) Gets an SplFileInfo object for the path

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

(PHP 5 >= 5.2.2, PHP 7) Unserializes a storage from its string representation

(PHP 5 >= 5.3.0, PHP 7) Sets a new value at a specified index

(PHP 5 >= 5.3.0, PHP 7) Extracts a node from top of the heap and sift up.

(PHP 5 >= 5.1.0, PHP 7) Write to file public

(PHP 5 >= 5.1.0, PHP 7) Read next line public

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

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

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