Community Learn Tools Library Leisure
search
English
Home > php教程 > PHP开发 > body text

php面向对象编程之构造方法

WBOY
Release： 2016-06-07 17:23:32
Original
1059 people have browsed it

php中构造方法是对象创建完成后第一个被对象自动调用的方法。在每个类中都有一个构造方法，如果没有显示地声明它，那么类中都会默认存在一个没有参数且内容为空的构造方法。


构造方法的作用

通常构造方法被用来执行一些有用的初始化任务，如对成员属性在创建对象时赋予初始值。


构造方法的在类中的声明格式

function

Related labels：
function php
source：php.cn
Previous article：封装ThinkPHP的一个文件上传方法 Next article：关于formValidator表单验证插件的使用
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1429
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1284
In mobile view, how can I close this navigation bar when the user clicks on the link? When the user clicks a link to browse the website, the navigation bar does not close? I've...
From 2024-04-06 19:23:03
0
1
411
Get the total return value of the input field method I'm trying to find the total value entered by the user. Get an aggregate that multiplies a...
From 2024-04-06 18:19:37
0
1
380
Using Eloquent for internal querying The image address contains the location and total number of users. Users::with(['address'=...
From 2024-04-06 16:45:50
0
1
515
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template