类的继承与重载
来源：互联网 发布：网络对于大学生的影响 编辑：程序博客网 时间：2024/05/22 17:26
<?php class person { protected $name; protected $sex; protected $age; function __construct($name="",$sex='男',$age=90) { $this->name=$name; $this->sex=$sex; $this->age=$age; } function say() { echo"这个人在说话<br>"; } function run() { echo"这个人在走路<br>"; } function info() { echo"我的名字是：".$this->name." 性别：".$this->sex." 年龄：".$this->age; } function __destruct() { echo"再见".$this->name."<br>"; } } class student extends person { private $school; function __construct($name="",$sex='男',$age=90,$school="") { parent::__construct($name,$sex,$age); $this->school=$school; } function study() { echo$this->name."正在".$this->school."学习<br>"; } function info() { parent::info(); echo"在".$this->school."上学<br>"; } } $te=new student("张三",'男',50,"edu"); $te->study(); $te->info();?>
