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