PHP 忒聊
綴豖
ヶ輛
is_subclass_of
(PHP 4)
Description
This function returns TRUE if the object object, belongs to a class which is a subclass of class_name, FALSE otherwise.
See also get_class(), get_parent_class() and is_a().
綴豖
れ萸
ヶ輛
is_a
奻珨撰
method_exists