public function front_end_tickets_form( $content ) {
		if ( $this->is_frontend_tickets_form_done ) {
			return $content;
		}

		$post = $GLOBALS['post'];

		// For recurring events (child instances only), default to loading tickets for the parent event
		if ( ! empty( $post->post_parent ) && function_exists( 'tribe_is_recurring_event' ) && tribe_is_recurring_event( $post->ID ) ) {
			$post = get_post( $post->post_parent );
		}

		$tickets = $this->get_tickets( $post->ID );

		if ( empty( $tickets ) ) {
			return $content;
		}

		// test for blocks in content, but usually called after the blocks have been converted
		if (
			has_blocks( $content )
			|| false !== strpos( (string) $content, 'tribe-block ' )
		) {
			return $content;
		}

		// Check to see if all available tickets' end-sale dates have passed, in which case no form
		// should show on the front-end.
		$expired_tickets = 0;

		foreach ( $tickets as $ticket ) {
			if ( ! $ticket->date_in_range() ) {
				$expired_tickets++;
			}
		}

		$must_login = ! is_user_logged_in() && $this->login_required();

		if ( $expired_tickets >= count( $tickets ) ) {
			/**
			 * Allow to hook into the FE form of the tickets if tickets has already expired. If the action used the
			 * second value for tickets make sure to use a callback instead of an inline call to the method such as:
			 *
			 * Example:
			 *
			 * add_action( 'tribe_tickets_expired_front_end_ticket_form', function( $must_login, $tickets ) {
			 *  Tribe__Tickets_Plus__Attendees_List::instance()->render();
			 * }, 10, 2 );
			 *
			 * If the tickets are not required to be used on the view you an use instead.
			 *
			 * add_action( 'tribe_tickets_expired_front_end_ticket_form', array( Tribe__Tickets_Plus__Attendees_List::instance(), 'render' ) );
			 *
			 * @since 4.7.3
			 *
			 * @param boolean $must_login
			 * @param array $tickets
			 */
			do_action( 'tribe_tickets_expired_front_end_ticket_form', $must_login, $tickets );
		}

		$rsvp_sent  = empty( $_GET['rsvp_sent'] ) ? false : true;
		$rsvp_error = empty( $_GET['rsvp_error'] ) ? false : intval( $_GET['rsvp_error'] );

		if ( $rsvp_sent ) {
			$this->add_message( __( 'Your RSVP has been received! Check your email for your RSVP confirmation.', 'event-tickets' ), 'success' );
		}

		if ( $rsvp_error ) {
			switch ( $rsvp_error ) {
				case 2:
					$this->add_message( __( 'You can\'t RSVP more than the total remaining tickets.', 'event-tickets' ), 'error' );
					break;

				case 1:
				default:
					$this->add_message( __( 'In order to RSVP, you must enter your name and a valid email address.', 'event-tickets' ), 'error' );
					break;
			}
		}

		/**
		 * Allow for the addition of content (namely the "Who's Attening?" list) above the ticket form.
		 *
		 * @since 4.5.5
		 */
		do_action( 'tribe_tickets_before_front_end_ticket_form' );

		include $this->getTemplateHierarchy( 'tickets/rsvp' );

		// It's only done when it's included
		$this->is_frontend_tickets_form_done = true;
	}