PHP面向对象程序设计OOP继承用法详解

这篇文章主要介绍了PHP面向对象程序设计OOP继承用法,结合简单实例形式分析了php类的定义与继承使用方法,需要的朋友可以参考下

本文实例讲述了PHP面向对象程序设计OOP继承用法。分享给大家供大家参考，具体如下：

<?phpclass Person {  var $name;//protected  var $sex;  var $age;  function __construct($name = "", $sex = "男", $age = 22) {    $this->name = $name;    $this->sex = $sex;    $this->age = $age;  }  function say() {    echo $this->name . "在说话<br/>";  }  function run() {    echo "在走路·<br/>";  }}class Student extends Person { <a style="color:transparent">本@文来源gao($daima.com搞@代@#码(网5</a><strong>搞gaodaima代码</strong> var $school;  function __construct($name = "", $sex = "男", $age = 22,$school="") {    parent::__construct($name,$sex,$age);    $this->school = $school;  }  function study() {    echo $this->name."正在".$this->school."学习<br/>";  }}class Teacher extends Student {  var $wage;  function teaching() {    echo $this->name."正在".$this->school."教学，每月工资为".$this->wage."<br/>";  }}$teacher1 = new Teacher("kaifu","男",22);$teacher1->school = "edu";$teacher1->wage = 4000;$teacher1->say();$teacher1->study();$teacher1->teaching();?>

结果：

kaifu在说话kaifu正在edu学习kaifu正在edu教学，每月工资为4000

以上就是本文的全部内容，希望对大家的学习有所帮助。

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