' . __('MailerLite', 'woo-mailerlite'), 'woo_ml_order_meta_box_output', 'shop_order', 'side', 'low' ); } add_action('add_meta_boxes', 'woo_ml_register_meta_boxes'); /** * Outputs the content of the meta box */ function woo_ml_order_meta_box_output($post) { wp_nonce_field(basename(__FILE__), 'woo_ml_order_meta_box_nonce'); $order_id = $post->ID; $icon_yes = ''; $icon_no = ''; ?> orderCustomerSubscribe($order_id); ?>

checkCustomerSubscribed($order_id); ?>

orderCustomerAlreadySubscribed($order_id); ?>

checkOrderSubscriberUpdated($order_id); ?>

orderDataSubmitted($order_id); ?>

checkOrderTracking($order_id); ?>