(PHP 5, PHP 7) Checks if class is defined internally by an extension, or the core
(PHP >= 5.4.0) Returns whether this is a trait
(PHP 5, PHP 7) Gets default properties public
(PHP 5, PHP 7) Checks if iterateable public bool
(PHP >= 5.4.0) Creates a new class instance without invoking the constructor.
(PHP 5, PHP 7) Gets defined constant public mixed
(PHP 5, PHP 7) Checks if the class is an interface
(PHP 5, PHP 7) Gets static properties public
(PHP 5, PHP 7) Gets the filename of the file in which the class has been defined
(PHP 5 >= 5.1.0, PHP 7) Gets doc comments
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