WP Travel Pro is enabled or not filter.
Source
File: /inc/admin/admin-helper.php
Used by: /inc/admin/admin-helper.php
Parameters
Default is false.
Example:
function prefix_wp_travel_extras_is_pro_enabled() { return true; } add_filter( 'wp_travel_extras_is_pro_enabled', 'prefix_wp_travel_extras_is_pro_enabled' );