问每隔2秒发出一次cUrl请求并回显结果

EN

setInterval(your_ajax_function,2000); // call your_ajax_function in every 2 seconds

function your_ajax_function()
{
    // ajax function statements here
    // and send request to the php file
    // get output from php file as response
    // show response in your desired div
}   

    $requiredPage = "example.com";
    header('Refresh:2;url='.$requiredPage);