public function construct

Dynamically add some additional responsibilities to an object, which is more flexible in terms of the extension function than the subclass generation method. The code is as follows: /*** Decoration mode** Dynamically add some additional

Php design mode Command (Command mode) /** * Command mode * * Encapsulate a request as an object so that you can parameterize the customer with different requests, exclude requests or record request logs, and support cancelable

Differences between three data types in php5 /** * Parent can only call public or protected methods in the parent class, and cannot call attributes in the parent class. * Self can call all data

Design Mode (adapter) Personal Understanding: The adapter serves as the medium between the original function and the new function. that is to say, the new function must call some of the original functions. This improves code reusability.

Php design mode Decorator (decoration mode ). Copy the code as follows :? Php *** decoration mode ** dynamically adds some additional responsibilities to an object, which is more flexible than the subclass method in terms of the extension function *

PHP _ autoload function (automatic loading of class files) usage. This is also one of the basic ideas of OO design. Before using PHP5, if you need to use a class, you only need to directly use javasderequire to include it. The following is a

Php_autoload automatically loads classes and analyzes the mechanism. Before using PHP5, if you need to use a class, you only need to directly use javasderequire to include it. the code for copying test. class. php is as follows :? Phpclassabc

This article mainly introduces the metadata sharing mode in the php design mode. if you are interested, refer to it. I. intentionUse sharing technology to effectively support a large number of fine-grained objects The metadata mode changes the

PHP implements detailed explanation of the abstract factory mode in the design mode, and detailed description of the design mode Abstract Factory is a common software design pattern. This mode provides a unified creation interface for a product

The Interpreter (Interpreter) mode, which includes a syntactic representation with a composite class layered structure, the rule is mapped to the class, the expressions following the syntax can be converted into an abstract syntax tree. Except for

This article mainly introduces the usage of _ initialize () and construct _ construct () in ThinkPHP, and analyzes the method of constructing subclass during class initialization in ThinkPHP as an example, is oriented using ThinkPHP This article

PHP design mode-command mode   Command mode: In software systems, "behavior requestor" and "behavior implementer" usually present a "tightly coupled ". However, in some cases, such as "record, undo/Redo, and transaction" operations, it is not

PHP Object-Oriented Learning Objectives: fully understand the three main features of abstraction, encapsulation, inheritance, and multi-state image targeting: encapsulation, inheritance, and Polymorphism. First of all, a brief understanding of

PHP5, using the new unified constructor naming method: __construct (), of course, using the class name is also possible PHP 5 authoritative Programming (PHP 5 Power Programming) PDF http://www.bitsCN.com/books/28207.html In PHP4, _ construct () is

PHP factory mode usage. The code for copying basic factory classes is as follows: classMyObject {the object will be returned from the factory} classMyFactory {publicstaticfunctionfactory () {returnnewMyObject () :}} $ instanceMy basic factory class

Php design mode Command (Command mode ). Copy the code as follows :? Php *** command mode ** encapsulates a request as an object so that you can parameterize the customer with different requests, exclude the request or record the request Day The

When using the php oo mode to develop a system, we usually get used to storing the implementation of each class in a separate file, which makes it easy to reuse classes, at the same time, it will be very convenient for future maintenance. This is

A factory class is a class that contains a method specifically used to create other objects. a factory class is crucial in the practice of polymorphism programming. it allows dynamic replacement of classes, modification of configurations, it usually

Php framework prevents injection of code attributes Taking reading as an example, if you access $ Component-> property1, what did Yii do behind the scenes? Let's take a look at yii \ base \ Component ::__ get () Public function _ get ($

The difference between the public, protected, and private access control modes of php is protectedprivate. The differences between the public, protected, and private access control modes of php are as follows: the difference between the public,