(PHP 5, PHP 7) Gets the method prototype (if there is one).

(PHP 4, PHP 5, PHP 7) Create an array containing a range of elements

(PHP 4, PHP 5, PHP 7) Sort an array by key in reverse order

(PHP 5, PHP 7) Gets class names public array

(PECL classkit >= 0.2) Copies a method from class to another

(PHP 4, PHP 5, PHP 7) Merge one or more arrays

(PHP 5 >= 5.2.0, PHP 7) Gets external variables and optionally filters them

(PHP >= 5.4.0) Returns an array of trait aliases

(PHP 5, PHP 7) Gets extension name public string

(PHP 5, PHP 7) Gets classes public array Ref