How to use views PHP API function get_view_query_results with third party custom plugin
you should try to use the WordPress standard hook wp_loaded that will allow you to use the view's PHP API function with custom plugin in this case.
You can find the proposed solution, in this case with the following reply:
This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
Everyone can read this forum, but only Toolset clients can post in it. Toolset support works 6 days per week, 19 hours per day.
|-||10:00 – 13:00||10:00 – 13:00||10:00 – 13:00||10:00 – 13:00||10:00 – 13:00||-|
|-||14:00 – 18:00||14:00 – 18:00||14:00 – 18:00||14:00 – 18:00||14:00 – 18:00||-|
Supporter timezone: Asia/Kolkata (GMT+05:30)