$id = $_SESSION['idmiz'];
$get_users_sql = mysql_query("SELECT * FROM users where low='$id'");
while($row=mysql_fetch_assoc($get_users_sql))
{
$zaman = $row['lastsubmit'];
$limit = $zaman-time();
if ($limit > 0){
return 'time';
}
bu mantığı dene
