โค้ดการตรวจสอบการ connect internet

//===============check connect internet

function is_connected()

{

$connected = @fsockopen("www.google.com", 80);

//website, port (try 80 or 443)

if ($connected){

$is_conn = "STATUS : CONNECT INTERNET"; //action when connected

fclose($connected);

}else{

$is_conn = "STATUS : OFFLINE!"; //action in connection failure

}echo $is_conn;

}

is_connected();