<?php
if(strstr($_SERVER['HTTP_USER_AGENT'],'Android') ||
   strstr($_SERVER['HTTP_USER_AGENT'],'webOS') ||
   strstr($_SERVER['HTTP_USER_AGENT'],'iPhone') ||
   strstr($_SERVER['HTTP_USER_AGENT'],'iPod')) {
  header('Location: http://www.google.com');
  exit;
}
?>

var uagent = navigator.userAgent.toLowerCase();
 if(uagent.indexOf('android') ||
    uagent.indexOf('webos') ||
    uagent.indexOf('iphone') ||
    uagent.indexOf('ipod')){
    document.location = 'http://www.google.com';
}