<?php

    class mao{        //定义猫类

        public $age=0;        //定义多个属性并初始化

        public $weight=50;

        public $color='white';

    }

    $mao1=new mao();    //实例化猫类的多个对象

    $mao2=new mao();

    //输出mao1、mao2对象的属性

    echo "mao1的年龄为{$mao1->age}，体重为{$mao1->weight}，毛色为{$mao1->color}。<br />";

    echo "mao2的年龄为{$mao2->age}，体重为{$mao2->weight}，毛色为{$mao2->color}。<br />";

?>