php classes

First, Introduction The object model has been completely rewritten since PHP 5 for better performance and more features. This is the biggest change since PHP 4. PHP 5 has a complete object model.New features in PHP 5 include access control, abstract

This is about PHP built-in interface iterator, PHP5 started to support the interface, and built-in iterator interface, so if you define a class, and implement the iterator interface, then your class object is Zend_iter_object, otherwise it is

: This article mainly introduces the static variable index of the PHP class. if you are interested in the PHP Tutorial, refer to it. PHP has a wide range of static variables. we can not only add static modifiers before classes, methods, or variables,

This article is the PHP class registration and automatic loading carried out a detailed analysis of the introduction, the need for a friend reference The project catalog is as follows:1. Place the class that needs to be registered in an array The

PHP does not have many inherited features. We rarely use this feature even if it is a programming language that supports multiple inheritance. In most people's view, multi-inheritance is not a good design method. To add an extra attribute to a class,

This article introduces the use of protected and const attributes of classes and objects in php. For more information, see. the field defined by the const attribute in the const attribute is a constant. constants in the class are similar to static

This post was last edited by bulls5988 on 2013-07-22 15:35:23 A class is defined inside the sub.php, and there is a function inside it. Because the return value is to be converted to XML, it cannot be output directly in the function. Now when the

Code 1 & lt ;? PhpclassCart {& nbsp; var $ owner; & nbsp; functionset_owner ($ name) & nbsp ;{& nbsp; $ this-& gt; owner $ name; & nbsp ;}}? & Gt; Code 2 & lt ;? Php $ acartnewCart; $ acart-PHP class function and variable scope problems // Code 1

This article introduces the use of the protected and const attributes of classes and objects in php. For more information, see The const attribute. The field defined by the const attribute is a constant. This article introduces the use of protected

Class Employee { Defining constants Const AVAILABLE = 0; Const OUT_OF_STOCK = 1; Public $status; } Print employee::available; ?> Copy CodeExample 2, defining constants in a class

/** * Picture shrinkage Water printing type * * @version 1.0; * */ Class Cls_photo { protected $waterrate = 0.2; The scale of the watermark icon on the picture protected $width = 300; Thumbnail default

PHP /* Product */ Class Product { Public Static $ Count = 0 ; Public $ Name ='' ; Public Function Show (){ Print (' show method ' );} Public Static Function Display (){ Print (' display static method ' );}} $ Class = New

 In the actual development process, you will often encounter some repeated operations. If you need to implement it on your own every time, this will undoubtedly increase your workload and sort out some classes that may be frequently used. Chart

PHP has undoubtedly become the most popular WEB programming scripting language. When you are stuck in the project timeline and want to enjoy your life, you should understand exactly the truth: Do not reinvent the wheel. The following are some great

PHP only includes class, method, attributes, and extensions. It is not used to development in object-oriented languages such as C ++, Java, and Delphi. Program Users may wish to read a book on object oriented concepts first. I believe this will

In php, there are two methods for methods/variables of the callback class: 1. Create an object $ object = new Class () and then use "->" to call: $ object-> attribute/function, provided that the variable/method is accessible. 2. directly call the

Const attributesThe field defined with the const attribute is a constant. Constants in the class are similar to static variables. The difference is that the value of a constant cannot be changed once it is assigned a value.The const definition

PHP is no exception! A static method (property) is a property or method that is annotated with a static keyword (for example, a static property public static username;)The biggest difference between static and Non-static methods is that their life

Join us now have two PHP files, as follows: test1.php test2.php However, in the case of the need to load these two documents, the traditional wording is this: func1 (). ' '; echo $TESTOBJ 2->func2 (); ? > Now that we use the automatic loading of

Ec (2); the class libraries below the chart library allow you to easily create complex charts and images. Of course, they need the support of the GD library. PChart-a database that allows you to create statistical charts. Libchart-this is also a