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How to Add Body Classes in WordPress

Snippets by IsItWP

Are you looking for a way to add CSS classes to your body tag depending on what page you’re on? While there’s probably a plugin for this, we have created a quick code snippet that you can use to enable post formats with add_theme_support in WordPress.

Instructions:

All you have to do is add this code to your theme’s functions.php file or in a site-specific plugin:


function add_body_classes( $classes ) {
    // Adds a class if post type is books
    if ( is_singular('book') ) {
        $classes[] = 'book-single';
    }
    // add class if not home page
    if ( ! is_home() ) {
        $classes[] = 'not-home';
    }
    // add class if user is admin
    if ( current_user_can('administrator) ) {
        $classes[] = 'user-is-admin';
    }
    return $classes;
}
add_filter( 'body_class', 'add_body_classes' );

For this code to work, you need to change your body tag to look like this:

<body <?php body_class() ?>>

Note: If this is your first time adding code snippets in WordPress, then please refer to our guide on how to properly add code snippets in WordPress, so you don’t accidentally break your site.

If you liked this code snippet, please consider checking out our other articles on the site like: 25 best WooCommerce plugins to grow your sales and how to increase maximum file upload size in WordPress.

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