Unlike class-based object languages properties can be added to objects dynamically by assigning values to them. Class magic constant is now supported on objects.
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This can quickly become a pain point for users and is usually unnecessary.
. This was only allowed on class names such as FooBarclass but in PHP 80 the class magic constant works on instantiated objects too. Unless it increases expressivity or intent in a clearly useful. In the above diagram one could add a new shared property for cf 1 cf 2 cf 3 cf 4.
Static methods on an exported class have a similar problem - the class itself adds a layer of nesting. A variable defined in a class and intended to be modified only at class level ie not in an instance of the class. That is constructors are not required to name or assign values to all or any of the constructed objects properties.
Class definitions normally contain method definitions which operate on instances of the class. While namespaces sometime have their uses they add an extra level of indirection when using modules. 105 Declaration Binding Instantiation.
The implicit conversion of an instance of one type to another during an operation. A template for creating user-defined objects. The class magic constant returns the fully-qualified class name.
Prior to PHP 80 it was not possible to throw exceptions from an expression.
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