8 uses of DegreePlan::DEGREE_ID_FOR_COMBINED_DEGREE

advise.history.inc in modules/advise/advise.history.inc
advise_popup_display_summary in modules/advise/advise.history.inc
Displays the printable advising summary.
DegreePlan.php in classes/DegreePlan.php
DegreePlan::calculate_progress_hours in classes/DegreePlan.php
Calculate and store progress hour information. Stores in the $this->gpa_calculations array.
DegreePlan::calculate_progress_quality_points in classes/DegreePlan.php
Calculate the quality points of our completed courses, so we can use that to figure out GPA.
FlightPath.php in classes/FlightPath.php
FlightPath::combine_degree_plans in classes/FlightPath.php
This function is responsible for combining multiple degree plans into a single unified degree plan, then returning it.
FlightPath::flag_outdated_substitutions in classes/FlightPath.php