php的public、protected、private三种访问控制模式的区别
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了php的public、protected、private三种访问控制模式的区别,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含2241字,纯文字阅读大概需要4分钟。
内容图文
![php的public、protected、private三种访问控制模式的区别](/upload/InfoBanner/zyjiaocheng/1168/0af9487f0c344d25b03824742ea46dcf.jpg)
php的public、protected、private三种访问控制模式的区别
public: 公有类型
在子类中可以通过self::var调用public方法或属性,parent::method调用父类方法
在实例中可以能过$obj->var 来调用 public类型的方法或属性
protected: 受保护类型
在子类中可以通过self::var调用protected方法或属性,parent::method调用父类方法
在实例中不能通过$obj->var 来调用 protected类型的方法或属性
private: 私有类型
该类型的属性或方法只能在该类中使用,在该类的实例、子类中、子类的实例中都不能调用私有类型的属性和方法
2.self 和 parent 的区别
a).在子类中常用到这两个对像。他们的主要区别在于self可以调用父类中的公有或受保护的属性,但parent不可以调用
b).self:: 它表示当前类的静态成员(方法和属性) 与 $this 不同,$this是指当前对像
附代码:
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
}
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
![技术分享](/upload/getfiles/default/2022/11/15/20221115035443323.jpg)
原文:http://www.cnblogs.com/xiaoping-2014/p/4345129.html
内容总结
以上是互联网集市为您收集整理的php的public、protected、private三种访问控制模式的区别全部内容,希望文章能够帮你解决php的public、protected、private三种访问控制模式的区别所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。