PRC_Scheduling->get_user_available_time_slots
Returns available timeslots for a user given a user ID, a date (in Y-m-d format), and required time (in minutes).
Example
$available_timeslots = PRC()->scheduling->get_user_available_time_slots( $user_id, $date, $duration_minutes );
echo 'Available timeslots: <pre>' . var_export( $available_timeslots, true ) . '</pre>';
