Class Constants Constants are like variables except that once they are defined, they cannot be changed. If we need to define some constant data within a class, we need to use class constants. Class ...

PHP 8.3, a major update to the popular server-side web scripting language, offers features such as explicit typing of class constants, deep cloning of readonly properties, and additions to ...

that's specific to the class in question. For example, for the 'Car' class you could define class constants to represent various types of cars, then use these constants when creating 'Car' objects ...

PHP 7.1 adds support for class constant visibility, using which constants may be declared public, protected and private.

Hello readers,php magic constants:there are many magic constants are available in php, but some magic constants are most important used in php, like line_, _dir_, _file ,__class__, __function__etc.