(PHP 5, PHP 7) Checks if class is defined internally by an extension, or the core

(PHP 5, PHP 7) Gets the filename of the file in which the class has been defined

(PHP 5, PHP 7) Gets defined constant public mixed

(PHP >= 5.4.0) Returns whether this is a trait

(PHP 5, PHP 7) Checks if the class is an interface

(PHP 5, PHP 7) Gets default properties public

(PHP >= 5.4.0) Creates a new class instance without invoking the constructor.

(PHP 5, PHP 7) Gets static properties public

(PHP 5, PHP 7) Checks if iterateable public bool

(PHP 5, PHP 7) Exports a class public static