PHP获取当前页面URL

            function curPageURL()
            { 
                $pageURL = 'http'; 
                if (!empty($_SERVER['HTTPS'])) {$pageURL .= "s";} 
                $pageURL .= "://"; 
                if ($_SERVER["SERVER_PORT"] != "80")
                { 
                    $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; 
                }
                else
                { 
                    $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]; 
                } 
                return $pageURL; 
            }
            

当前页面网址:https://m.zzsucai.com:443/demo/php/20200714021/