PHP 8.0
| Sniff category | Sniff class name | PHP Feature |
|---|---|---|
| Attributes | AttributeSniff | Attributes |
| Classes | PropertyPromotionSniff | Constructor property promotion |
| ControlStructures | MatchSniff | Match expressions |
| ControlStructures | NonCapturingCatchSniff | Non-capturing catches |
| FunctionDeclarations | NamedArgumentDeclarationSniff | Named arguments |
| FunctionDeclarations | ParamTypeDeclarationSniff | Union types |
| FunctionDeclarations | TrailingCommaSniff | Trailing comma |
| Operators | NullsafeOperatorSniff | Nullsafe operator |