10 var_dump(new Symbol(1) == new Symbol("1"));
11 var_dump((new Symbol(1))->equals(new Symbol("1")));
13 var_dump((new Symbol(1, 123))->equals(new Symbol("1", 321)));
15 var_dump(new Symbol(1) == new Symbol(2));
16 var_dump((new Symbol(1))->equals(new Symbol(2)));
18 // All local symbols with unknown text are equivalent to each other (and to symbol zero).
19 var_dump((new Symbol(sid:123))->equals(new Symbol(sid:321)));