后端开发|php教程
程序设计,php,用法
后端开发-php教程
name = $name; $this->sex = $sex; $this->age = $age; } function say() { echo $this->name . "在说话
"; } function run() { echo "在走路·
"; }}class Student extends Person { 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
"; }}class Teacher extends Student { var $wage; function teaching() { echo $this->name."正在".$this->school."教学，每月工资为".$this->wage."
"; }}$teacher1 = new Teacher("kaifu","男",22);$teacher1->school = "edu";$teacher1->wage = 4000;$teacher1->say();$teacher1->study();$teacher1->teaching();?>
结果：
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kaifu在说话kaifu正在edu学习kaifu正在edu教学，每月工资为4000
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