Add the visitors browser to the body css class

if you need to get a workaround for lame old IE7 or similar browser issues this might be a handy snippet for developers. This function detects the browser and adds its name to the body_class. Make sure you have body_class(); in your template file.

/**
 * Snippet Name: Add the visitors browser to the body css class
 * Snippet URL: https://wpcustoms.net/snippets/add-the-visitors-browser-to-the-body-css-class/
 */
  function wpc_browser_body_class( $classes ) {
    global $is_lynx, $is_gecko, $is_IE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone;

    if($is_lynx) $classes[] = 'lynx';
    elseif($is_gecko) $classes[] = 'gecko';
    elseif($is_opera) $classes[] = 'opera';
    elseif($is_NS4) $classes[] = 'ns4';
    elseif($is_safari) $classes[] = 'safari';
    elseif($is_chrome) $classes[] = 'chrome';
    elseif($is_IE) {
        $browser = $_SERVER['HTTP_USER_AGENT'];
        $browser = substr( "$browser", 25, 8);
        if ($browser == "MSIE 7.0"  ) {
            $classes[] = 'ie7';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 6.0" ) {
            $classes[] = 'ie6';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 8.0" ) {
            $classes[] = 'ie8';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 9.0" ) {
            $classes[] = 'ie9';
            $classes[] = 'ie';
        } else {
            $classes[] = 'ie';
        }
    }
    else $classes[] = 'unknown';

    if( $is_iphone ) $classes[] = 'iphone';

    return $classes;
}
add_filter( 'body_class', 'wpc_browser_body_class' );