(PHP 5 >= 5.0.0, PHP 7) Get array copy public

(PHP 5 >= 5.0.0, PHP 7) Get value for an offset

(PHP 5 >= 5.2.0, PHP 7) Sort an array naturally

(PHP 5 >= 5.0.0, PHP 7) Move to next entry

(PHP 5 >= 5.2.0, PHP 7) Sort array by keys

(PHP 5 >= 5.0.0, PHP 7) Count elements public

(PHP 5 >= 5.1.0, PHP 7) Set behaviour flags

(PHP 5 >= 5.0.0, PHP 7) Construct an ArrayIterator

(PHP 5 >= 5.0.0, PHP 7) Set value for an offset

(PHP 5 >= 5.2.0, PHP 7) Sort array by values