<?php

  class Cat{

   public $name;

   public $age;

   public $color;

  }

  //创建一个对象

  $cat1=new Cat();

  $cat1->name="小白";  //给对象成员赋值

  $cat1->age=3;

  $cat1->color="白色";

  echo $cat1->name."||".$cat1->age."||".$cat1->color;

?>