php之面向对象、构造函数、析构函数

 <!DOCTYPE HTML>
 <html>
     <head>
         <title></title>
         <meta charset="utf-8"/>
     </head>
     <body>

     </body>
 </html>
 <?php
     class Site{
         var $name;
         var $url;
         //构造函数
         function __construct($name , $url){
             $this->name = $name;
             $this->url = $url;
         }
         //析构函数
         function __destruct(){
             echo PHP_EOL . "销毁函数";
         }
         function echoName(){
             echo $this->name . PHP_EOL;
         }

         function echoUrl(){
             echo $this->url . PHP_EOL;
         }
     }
     $baidu = new Site('百度' , 'www.baidu.com');
     $baidu->echoName();
     $baidu->echoUrl();
 ?>