(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

(PHP 5 >= 5.4.6, PHP 7) Returns whether the default value of this parameter is constant

(PHP 5 >= 5.1.0, PHP 7) Gets doc comments

(PHP 7) Gets the executing

(PHP 5 >= 5.1.0, PHP 7) Checks if property is defined

(PHP 5, PHP 7) Checks class for instance public

(PHP 7) Gets the currently executing line of the generator

(PHP 5, PHP 7) Exports function public static