| ⇢ | A | CloneOp added | |
| ⇢ | A | EmptyTest added | |
| ⇢ | A | EmptyOp added | |
| ⇢ | A | ErrorSuppressTest added | |
| ⇢ | A | ErrorSuppress added | |
| ⇢ | A | EvalTest added | |
| ⇢ | A | EvalOp added | |
| ⇢ | A | ExitTest added | |
| ⇢ | A | ExitOp added | |
| ⇢ | A | IssetTest added | |
| ⋮ | view more | ||
| A | ↘ | C | Statement got worse |
| ⇢ | B | IssetOp::compile() added | |
| ⇢ | B | Coalesce::compile() added | |
| ⇢ | B | EmptyOp::compile() added | |
| ⇢ | B | IfTest::testIfElseIfCreatesVar() added | |
| ⇢ | B | DeclareSt::compile() added | |
| ⇢ | B | IfTest::testIfElseCreatesVar() added | |
| ⇢ | A | IfTest::testIfStatementCreatesVar() added | |
| ⇢ | A | StaticSt::compile() added | |
| ⇢ | A | IssetTest::testIssetVarNotExisting() added | |
| ⇢ | A | UnsetSt::compile() added | |
| ⋮ | view more | ||
| C | ↘ | D | Statement::factory() got worse |