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Home PHP Libraries Other libraries php constant usage class
php constant usage class Mainly introduces the usage of class constants in php. The examples analyze the concepts, characteristics and related usage skills of class constants in php. Friends in need can refer to it. Class constants belong to classes Itself does not belong to the object instance and cannot be accessed through the object instance. Subclasses can override the constants in the parent class and call the constants in the parent class through (parent::) .
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