GravityCalendar Functions

• gravitycalendar_is_valid_feed — Returns whether a calendar feed is valid: exists, is active, and has a valid secret (if the feed is secure).
• gv_calendar_copy_button_shortcode_handler — Render gv_calendar_copy_button shortcode
• gv_calendar_export_button_shortcode_handler — Render gv_calendar_export_button shortcode
• gv_calendar_get_feed_error_message — Return the error message for a WP_Error object. If the user can't edit forms, don't show the error message at all.
• gv_calendar_get_ics_url — Get Calendar ICS URL
• gv_calendar_gform_toolbar_menu — Add a GravityView menu to the Form Toolbar with connected views
• gv_calendar_link_shortcode_handler — Render the gv_calendar_link shortcode
• gv_calendar_render — Render the gv_calendar shortcode
• gv_calendar_shortcode_handler — Wrapper function for gv_calendar shortcode
• register_gravityview_calendar_addon — Register Calendar as a GF addon