php面向对象子类继承父类并且传值案例代码

php面向对象子类继承父类并且传值案例代码

1. <?php
   
2. class Person{
   
3.     protected $name;
   
4.     protected $sex;
   
5.     public function __construct($name,$sex){
   
6.         $this->name = $name;
   
7.         $this->sex = $sex;
   
8.     }
   
9. }
   
10. 
    
11. class Student extends Person{
    
12.     private $score;
    
13.     public function __construct($name,$sex,$score){
    
14.         parent::__construct($name,$sex);
    
15.         $this->score=$score;
    
16.     }
    
17.     public function getInfo(){
    
18.         echo "姓名为：".$this->name ."<br />";
    
19.         echo "性别为：".$this->sex ."<br />";
    
20.         echo "得分为：".$this->score ."<br />";
    
21.     }   
    
22. }
    
23. 
    
24. $stu = new Student('小哥','男',99);
    
25. $stu->getInfo();
    
26. ?>

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