ARRAY = getVehiclesOfSide <SIDE>;
The reason is filtering on the SQF side is quite slow
0.010 ms
vehicles // 70
0.116 ms
8627/10000
vehicles select {side _x isEqualTo west} // 23
0.116 ms
8608/10000
vehicles select {side _x isEqualTo independent} // 11
0.113 ms
8813/10000
vehicles select {side _x isEqualTo civilian} // 36