Discourage Search Engine Alert - WordPress

wp-discourage-se-alert.txt

add_action('admin_head', 'custom_admin_bar_color');
add_action('wp_head', 'custom_admin_bar_color');

function custom_admin_bar_color() {
    // Check if the "Discourage search engines from indexing this site" setting is enabled
    if (get_option('blog_public') == '0') {
        // Output CSS to change the admin bar color
        echo '<style>
            #wpadminbar {
                border-top: 5px solid #cf0000 !important;
                background: #650000 !important;
            }
        </style>';
    }
}