Change the Get Tickets and RSVP Now on List View and Single Events by Context

tribe_change_get_tickets_and_rsvp_now_by_context.php

/**
 * Change the Get Tickets and RSVP Now on List View and Single Events by Context
 *
 * @param string $translation The translated text.
 * @param string $text        The text to translate.
 * @param string $context     The option context string.
 * @param string $domain      The domain slug of the translated text.
 *
 * @return string The translated text or the custom text.
 */
add_filter( 'gettext_with_context', 'tribe_change_get_tickets_and_rsvp_now_by_context', 20, 4 );
function tribe_change_get_tickets_and_rsvp_now_by_context( $translation, $text, $context, $domain ) {

	if (
		$domain != "default" &&
	     (
		     strpos( $domain, 'event-' ) !== 0
	     )
	) {
		return $translation;
	}

	$ticket_rsvp_text = array(
		// RSVP Now List View
		'list view rsvp now ticket button' => 'Register Now!',
		// Confirm RSVP Form - Single Views
		'tickets process button text'      => 'Register Now!',
		// Get Tickets on List View
		'list view buy now ticket button'  => 'Register Now!',
		// Get Tickets Form - Single View
		'Get selected tickets.'            => 'Register Now!',
	);

	// If we don't have replacement text, bail.
	if ( empty( $ticket_rsvp_text[ $context ] ) ) {
		return $translation;
	}

	return $ticket_rsvp_text[ $context ];
}