Simplest way to detect a mobile device in PHP

Question

What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?

I have come across many classes that you can use but I was hoping fo

Answer 1

You only need to include user_agent.php file which can be found from Mobile device detection in PHP page and use the following code.

is_mobile()){
   header("Location:http://m.codexworld.com");
   exit;
}
?>