const in class php

Use the $ this, static, final, const, and self keywords in the php object-oriented class. Functions of the three keywords "this, self, and parent" in php The difference between the three keywords "this, self, and parent" is literally better

The role of this,self,parent three keywords in PHP This,self,parent the difference between the three keywords, which is literally better understood, refers to this, self, and father respectively. Let's start with a few concepts, where are the three

the role of this,self,parent three keywords in phpthis,self,parent The difference between the three keywords, which is literally better understood, refers to this, self, and father respectively. Let's start with a few concepts, where are the three

The keywords $ this, static, final, const, and self in the php class are often used in projects. this article will share this, static, final, const, self: If you are interested in using these keywords, let's take a look at the $ this, static, final,

The keywords $ this, static, final, const, and self in the php class are often used in projects. this article will share this, static, final, const, self: if you are interested in using these keywords, let's take a look at the $ this, static, final,

Const and define all define constants in PHP, but what are their specific differences? In fact, very simple const is used for the definition of a class member variable, once defined and cannot change its value. Define defines a global constant that

Original address: http://www.manongjc.com/article/491.html Const is the definition of a class member constant, which cannot be changed after the definition, and define we define global constants so that we can access them elsewhere but not change

This article is the main part of the PHP class on the $this,static,final,const,self of these key words to use the method. 　　$this $this represents the current instance, using the form of $this->value= ' phpernote ' when the internal method of the

The difference between define () and const in php is described in detail. In php, both define () and const () can define constants. So what is the difference between define () and const? many programmers do not understand this, next I will introduce

As we all know, define defines constants. What if we define constants in a class? Of course, define cannot be used, but const can be used, for example: The code is as follows:Copy code Define ('php', 'I love php'); // constants are usually