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psalm/docs/running_psalm/issues/DuplicateEnumCaseValue.md
Bruce Weirdan b4f024b1fe
Basic enum checks
* Duplicate cases
* Duplicate case values
* Invalid case values: value on a pure enum case, missing value on a
backed enum case, backing type / case type mismatch
* Literal expression evaluation for case values

Fixes vimeo/psalm#6426
Fixes vimeo/psalm#6427
2021-09-07 12:35:38 +03:00

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Markdown

# DuplicateEnumCaseValue
Emitted when a backed enum has duplicate case values.
```php
<?php
enum Status: string
{
case Open = "open";
case Closed = "open";
}
```
## How to fix
Change case values so that there are no duplicates.
```php
<?php
enum Status: string
{
case Open = "open";
case Closed = "closed";
}
```