WordPress.org

Author: Tubal

A really simple and very lightweight plugin to detect mobile devices, mobile OSs & mobile browsers.

Documentation

This plugin adds the following global variables (boolean values) to WordPress:

Is it a mobile?

• $is_mobile

Any famous device?

• $is_iphone (Apple iPhone)
• $is_ipad (Apple iPad)
• $is_kindle (Amazon Kindle)

What mobile OS?

• $is_android (Android OS)
• $is_bada (Bada OS)
• $is_bbos (Blackberry OS)
• $is_ios (Apple iOS)
• $is_palmos (Palm OS)
• $is_symbian (Symbian OS)
• $is_webos (Hp WebOS)
• $is_windows (Windows Phone OS and older)

What mobile browser?

• $is_firefox_mobile (Mozilla Fennec)
• $is_ie_mobile (IE)
• $is_netfront (NetFront)
• $is_opera_mobile (Opera Mobile or Mini)
• $is_uc_browser (UC Browser)
• $is_webkit_mobile (Webkit)

The initial value of these variables is false.

How can I redirect a user to the mobile version of my site?

Easy, paste this snippet in your functions.php file:

function mobile_redirect() {
    global $is_mobile;
    if ( $is_mobile ) {
        // replace URL_TO_MOBILE_SITE with your site's mobile URL i.e. http://mobile.example.com
        header( 'Location: URL_TO_MOBILE_SITE' );
        exit;
    }
}
add_action('after_setup_theme', 'mobile_redirect');

Debugging

You can test/debug the plugin results (debug mode) here.

If you need to debug the plugin, you can do it calling the global function: margenn_mobile_detector(true). Calling this function will output the results.

Suggestions?, bugs? report them in the plugin forum.