website/errors/requireExtends.onEnum.md
<?php declare(strict_types = 1);
/**
* @phpstan-require-extends SomeClass
*/
enum Status
{
case Active;
case Inactive;
}
The @phpstan-require-extends PHPDoc tag is placed on an enum. This tag is only valid on traits and interfaces. Enums in PHP cannot extend classes, so a @phpstan-require-extends constraint on an enum has no meaning and cannot be fulfilled.
Remove the @phpstan-require-extends tag from the enum:
-/**
- * @phpstan-require-extends SomeClass
- */
enum Status
{
case Active;
case Inactive;
}
If the constraint is needed, move it to a trait or interface that the enum can implement:
/**
* @phpstan-require-extends SomeClass
*/
-enum Status
+interface StatusInterface
{
- case Active;
- case Inactive;
}