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Add Body Classes

This code snippet let’s you add CSS classes to your body tag depending on what page you are on. For this to work you need to change your body tag to look like this:

<body <?php body_class() ?>>

Code Snippet:

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' );

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