(PHP 5 >= 5.0.0, PHP 7) Returns the value at the specified index

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

(PHP 5 >= 5.3.0, PHP 7) Get current entry

(PHP 5 >= 5.2.0, PHP 7) User defined sort

(PHP 5 >= 5.1.0, PHP 7) Construct a LimitIterator

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

(PHP 5 >= 5.1.2, PHP 7) Constructs a RecursiveDirectoryIterator

(PHP 5 >= 5.3.0, PHP 7) Serialize an ArrayObject

(PHP 5 >= 5.3.0, PHP 7) Move to next entry

(PHP 5 >= 5.0.0, PHP 7) Appends the value