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

(PHP 5 >= 5.3.0, PHP 7) Prepends the doubly linked list with an element

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

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

(PHP 5 >= 5.1.2, PHP 7) Construct a new SplFileInfo object

(PHP 5 >= 5.3.0, PHP 7) Pushes an element at the end of the doubly linked list

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

(PHP 5 >= 5.3.0, PHP 7) Shifts a node from the beginning of the doubly linked list

(PHP 5 >= 5.1.0, PHP 7) Alias of

(PHP 5 >= 5.2.2, PHP 7) Gets absolute path to file