(PHP 5 >= 5.3.0, PHP 7) Peeks at the node from the end of the doubly linked list

(PHP 5, PHP 7) Rewind the iterator to the first element of the top level inner iterator

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

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

(PHP 5, PHP 7) The current active sub iterator

(PHP 5 >= 5.5.0, PHP 7) Add/insert a new value at the specified index

(PHP 5 >= 5.3.0, PHP 7) Returns the data associated with an

(PHP 5 >= 5.3.0, PHP 7) Sets the value at the specified $index to $newval

(PHP 5 >= 5.1.2, PHP 7) Default implementation for __autoload()

(PHP 5 >= 5.4.0, PHP 7) Return the traits used by the given class