Php object-oriented access control: public, private, and protected. The article uses examples to illustrate the details of object-oriented access control Public, private, and protected in PHP5. if you need them, please refer to them. The
The differences between public, private, and protected attributes in php5. This article introduces the differences among public, private, and protected in php5. All three of them are used in classes, but their attributes are completely different.
The article uses examples to illustrate the details of object-oriented access control Public, private, and protected in PHP5. If you need them, please refer to them.
In PHP5, the object-oriented mechanism is enhanced, and access control mechanisms
Differences between public, private, and protected in phpclass and instance analysis. I. differences between public, private, and protected: the permissions are the largest, and can be called internally or by instances. Protected: protected type,
This article describes the differences between public, private, and protected in phpclass and detailed analysis of instances. For more information, see
I. differences between public, private, and protectedPublic: The permission is the largest, and
Protectedinheritance. cpp
Indirect inheritance is inconsistent with the book description. The book says that the second inheritance cannot access base: I ~ because the first inheritance changes to private ~ YesPrivateThe reality is that the prompt
Focus on private and protected
Public
The default is public, the global can be accessed, this does not explain
Private
C + +, "private" means "private to this class", but Ruby is the "private to this instance".In C + +, for Class A, you can
Focus on private and protectedPublic
The default value is public, which can be accessed globally.Private
C ++, "private" indicates "private to this class", but Ruby prefers "private to this instance ".In C ++, As long as class A can access Class A,
Public: The public attribute or method can be called in the subclass through self: var or self: method. you can call the method in the parent class through parent: method, however, the public owner cannot be called.
Public: public property or method
In Java:
The access permissions in Java include public, private, protected, and default package access permissions. If the attribute methods in the class do not show the specified access permission, the package access permission is granted, I like
I. Differences between public, private, and protectedPublic: the permission is the largest, and can be called internally or by instances.Protected: protected type, used for calls of this class and inheritance class.Private: private type, which is
I. Differences between public, private, and protectedPublic: the permission is the largest, and can be called internally or by instances.
Protected: protected type, used for calls of this class and inheritance class.
Private: private type, which is
Public MemberProgramThe class that implements Information Hiding can be accessed anywhere and its public members are restricted to member functions. This function defines the private member that can be used by General programs to manipulate objects
Because the Package concept does not exist, the protected of C ++ is different from that of protected in Java. protected in Java is not only accessible to sub-objects, but also to other parts of the package, it can also be displayed through
There are three types of access modifiers in PHP, respectively:
Public (common, default)
Protected (Protected)
Private (privately)
Public (common, default) in PHP5 if the class does not have an access modifier for the specified member, the
This article mainly introduces the Property in the PHP Yii Framework, and describes in detail the steps for implementing the Property. if you need it, refer to the following in PHP, class member variables are also called properties ). They are part
This article mainly introduces the Property in the PHP Yii Framework, and describes in detail the steps for implementing the Property. if you need it, refer to the following in PHP, class member variables are also called properties ). They are part
C ++ Primer study note _ 21 _ class and data abstraction (7) _ youyuan function and youyuan class, _ 21 yuan class
C ++ Primer study note _ 21 _ class and data abstraction (7) _ youyuan function and youyuan class
I. youyuan
1. youyuan
The following describes the properties and yiiproperty in the Yii Framework of PHP. In the Yii Framework of PHP, properties and yiiproperty are also called properties in PHP ). They are part of the class definition and are used to demonstrate the
PHP advanced course notes are object-oriented. Example 1: Copy the code as follows :? The definition of the php class classUser {attribute. Note that the scope of public, private, and protected is public $ namehackbaby. example 1 of the constructor
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