109-PHP类成员初始化值

<?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 />";
?>