* * @link https://developer.wordpress.org/themes/functionality/custom-headers/ * * @package business-chat */ /** * Set up the WordPress core custom header feature. * * @uses business_chat_header_style() */ function business_chat_custom_header_setup() { add_theme_support('custom-header', apply_filters('business_chat_custom_header_args', array( 'default-image' => '', 'default-text-color' => '000000', 'height' => 400, 'flex-height' => true, 'default-image' => '', 'wp-head-callback' => 'business_chat_header_style', ))); } add_action('after_setup_theme', 'business_chat_custom_header_setup'); if (!function_exists('business_chat_header_style')) : /** * Styles the header image and text displayed on the blog. * * @see business_chat_custom_header_setup(). */ function business_chat_header_style() { $header_text_color = get_header_textcolor(); $header_image = get_header_image(); /* * If no custom options for text are set, let's bail. * get_header_textcolor() options: Any hex value, 'blank' to hide text. Default: add_theme_support( 'custom-header' ). */ if (empty($header_image) && $header_text_color == get_theme_support('custom-header', 'default-text-color')) { return; } // If we get this far, we have custom styles. Let's do this. ?>