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

(PHP 5 >= 5.4.0, PHP 7) Returns current regular expression

(PHP 5 >= 5.1.0, PHP 7) Moves to the next element

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

(PHP 5, PHP 7) Return path and filename of current dir entry

(PHP 5 >= 5.1.0, PHP 7) Returns if an iterator can be created fot the current entry.

(PHP 5 >= 5.1.2, PHP 7) Try all registered __autoload() function to load the requested class

(PHP 5 >= 5.3.0, PHP 7) Get the prefix public

(PHP 5 >= 5.1.2, PHP 7) Tells if the file is a directory

(PHP 5 >= 5.2.0, PHP 7) Sort the entries by value