PHP 7.1
| Sniff category | Sniff class name | PHP Feature |
|---|---|---|
| FunctionDeclarations | ParamTypeDeclarationSniff | Nullable types |
| FunctionDeclarations | ReturnTypeDeclarationSniff | Nullable types |
| FunctionDeclarations | ReturnTypeDeclarationSniff | Void functions |
| Symmetric array destructuring | ||
| Class constant visibility | ||
| FunctionDeclarations | ParamTypeDeclarationSniff | iterable pseudo-type |
| Keywords | ReservedSniff | iterable pseudo-type |
| Multi catch exception handling | ||
| Support for keys in list() |