| --TEST-- | |
| Backed enums reject duplicate string values | |
| --FILE-- | |
| enum Suit: string { | |
| case Hearts = 'H'; | |
| case Diamonds = 'D'; | |
| case Clubs = 'C'; | |
| case Spades = 'H'; | |
| } | |
| try { | |
| var_dump(Suit::Hearts); | |
| } catch (Error $e) { | |
| echo $e->getMessage(), "\n"; | |
| } | |
| try { | |
| var_dump(Suit::Hearts); | |
| } catch (Error $e) { | |
| echo $e->getMessage(), "\n"; | |
| } | |
| try { | |
| var_dump(Suit::from(42)); | |
| } catch (Error $e) { | |
| echo $e->getMessage(), "\n"; | |
| } | |
| try { | |
| var_dump(Suit::tryFrom('bar')); | |
| } catch (Error $e) { | |
| echo $e->getMessage(), "\n"; | |
| } | |
| --EXPECT-- | |
| Duplicate value in enum Suit for cases Hearts and Spades | |
| Duplicate value in enum Suit for cases Hearts and Spades | |
| Duplicate value in enum Suit for cases Hearts and Spades | |
| Duplicate value in enum Suit for cases Hearts and Spades | |