Public
Initially...
In Test, "$public:'public'.
In LittleTest, $public:'public'.
Modifying $parent->public...
In Test, "$public:'modified'.
In LittleTest, $public:'public'.
Protected
Initially...
In Test, "$protected:'protected'.
In LittleTest, $protected:'protected'.
Attempting to modify $parent->protected...
In Test, "$protected:'protected'.
In LittleTest, $protected:'protected'.