php之面向对象

<?php
    declare(encoding='UTF-8');
    class Site{
        /*成员变量*/
        var $url;
        var $title = "gunduzi"
        
        /*成员函数*/
        function setUrl($par){
            $this->url = $par;
        }
        
        function getUrl(){
            echo $this->url . PHP_EOL;
        }
        
        function setTitle($par){
            $this->title = $par;
        }
        
        function getTitle(){
            echo $this->title . PHP_EOL;
        }
    }
    /*调用成员变量*/
    $baidu = new Site;
    $baidu.setUrl("www.baidu.com");
    $baidu.setTitle("百度");
    
    $baidu->getUrl();
    $baidu->getTitle();
?>