title: How can I get user's country flag on my site
body: <p>I wanna display user's/visitor's country flag on my site.</p>
  
  <p>I am using different technologies like php,jsp and simple html. So I want a code which by placing on my site, visitors can see and it should run in all platform. </p>
  
  <p>In short I want country detection API. If anybody can help me, I'll be very thankful.</p>