11月27号作业，类和对像

命名空间namespace 创建类 class

<?php
//命名空间
namespace my\name;
//创建类
class a{
    public $name = '张三';
    public $age =18;
    public function get(){
        echo $this->name . '在吃饭';
    }
}
//实例化类：
$obj= new \my\name\a;
$obj->get();

成员变量、成员方法

<?php
// 成员变量、成员方法
class spObj{
    public $name;
    public $height;
    public $avo;
    public function bootFootBall($name,$height,$avo){
        $this->name=$name;
        $this->height=$height;
        $this->avo=$avo;
        if($this->height<185 and $this->avo <85){
            return $this->name .';符合踢足球的要求！';
        }else{
            return $this->name .';不符合踢足球的要求！';
        }
    }
}
$obj=new spObj();
echo $obj->bootFootBall('张三','185','80');

构造方法

<?php
// 构造方法
class spObj{
    public $name;
    public $height;
    public function __construct($name,$height){
        $this->name=$name;
        $this->height=$height;
    }
    public function shuchu(){
        echo $this->name . '的身高是' . $this->height ;
    }
}
$spObj=new spObj('张三','185');
$spObj->shuchu();