Is there a method whereby I can employ a different stylesheet (different to the style.css in my child theme) to visitors viewing on the iPhone?

  • @media css might be what your looking for
    – Shawn
    Commented Jan 21, 2014 at 20:52

1 Answer 1


There is a global $is_iphone variable, which you can check against in your code.

global $is_iphone;
if ( $is_iphone ) {
   // do something if $is_iphone is true

In the realm of your style.css however, I think @media queries may be easier. style.css is hard-coded as a required stylesheet, and there are no filters which can alter what the default stylesheet name is.

You can definitely use it for secondary stylesheets, however.

function my_iphone_styles() {
    global $is_iphone;
    if ( $is_iphone ) {
      wp_enqueue_style( 'my-iphone-styles', get_stylesheet_directory_uri() . '/css/iphone.css' );
add_action( 'wp_enqueue_scripts', 'my_iphone_styles' );
  • 1
    For anybody interested - it looks like WP has a few global browser detection variables: Read Codex
    – Howdy_McGee
    Commented Jan 21, 2014 at 22:30
  • No problem! Mark this question as answered, to help clean up the amount of unanswered questions out there. :) Commented Jan 22, 2014 at 13:09

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