How to realize the priority of sum operator of PHP access control

This article introduces the knowledge of "how to achieve PHP access control and operator priority". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The copy code is as follows:

Class Foo

{

Private $name = 'hdj'

Public function getName () {

Return $this- > name

}

}

Class Bar extends Foo

{

Public $name = 'deeka'

}

$bar = new Bar

Var_dump ($bar- > name)

Var_dump ($bar- > getName ())

access control

Access control to a property or method is achieved by adding the keyword public, protected, or private. A class member defined by public can be accessed anywhere; a class member defined by protected can be accessed by a subclass and parent of its class (of course, the class in which it belongs can also be accessed); and a class member defined by private can only be accessed by its own class.

The copy code is as follows: