/**
  * Print the widget content
  * @since 0.0.1
  */
 public function widget($args, $instance)
 {
     global $rtb_controller;
     // Don't show the widget if the form has already been displayed. The
     // date and time pickers don't yet support multiple forms on a page.
     if ($rtb_controller->form_rendered === true) {
         return;
     }
     // Print the widget's HTML markup
     echo $args['before_widget'];
     if (isset($instance['title'])) {
         $title = apply_filters('widget_title', $instance['title']);
         echo $args['before_title'] . $title . $args['after_title'];
     }
     echo rtb_print_booking_form();
     echo $args['after_widget'];
 }
 /**
  * Append booking form to a post's $content variable
  * @since 0.0.1
  */
 function append_to_content($content)
 {
     if (!is_main_query() || !in_the_loop() || post_password_required()) {
         return $content;
     }
     $booking_page = $this->settings->get_setting('booking-page');
     if (empty($booking_page)) {
         return $content;
     }
     global $post;
     if ($post->ID != $this->settings->get_setting('booking-page')) {
         return $content;
     }
     return $content . rtb_print_booking_form();
 }
 function rtb_booking_form_shortcode()
 {
     return rtb_print_booking_form();
 }