类 class

<?php

    class Person{       //定义一个类
        public $name;    //定义属性
        public $age;
        function say(){    //定义办法

            echo "my name is ".$this->name.$this->age."<br>";
        }

    } 

    $Jack = new Person();   //生成对象
    $Jack->name ="Jack";    //给对象赋值
    $Jack->age  =21;        //给对象的age赋值
    $Jack->say();           //调用办法say()
    echo "age is ".$Jack->age;

?>