Add iCal / Google Calendar links to Event Tickets emails

event-tickets-emails-ical-gcal-links.php

<?php

/**
 * Add the ical/google calendar links for the event into the Attendees email.
 *
 * @param array   $ticket Ticket information.
 * @param WP_Post $event  Event post object.
 */
add_action( 'tribe_tickets_ticket_email_after_details', static function ( $ticket, $event ) {
	// Only run the code if The Events Calendar is active.
	if ( ! function_exists( 'tribe_get_ical_link' ) ) {
		return;
	}

	setup_postdata( $event->ID );

	$ical_link = tribe_get_ical_link();
	$gcal_link = tribe_get_gcal_link( $event->ID );

	printf(
		'
			<p>
				<a href="%1$s">%2$s &raquo;</a> | <a href="%3$s">%4$s &raquo;</a>
			</p>
		',
		$ical_link,
		__( 'Add to your calendar', 'event-tickets' ),
		$gcal_link,
		__( 'Add to your Google Calendar', 'event-tickets' )
	);

	wp_reset_postdata();
}, 10, 2 );