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Error Identifier: class.extendsDeprecatedEnum

Every error reported by PHPStan has an error identifier. Here’s a list of all error identifiers. In PHPStan Pro you can see the error identifier next to each error and filter errors by their identifiers.

Code example #

<?php declare(strict_types = 1);

/** @deprecated Use NewStatus instead */
enum OldStatus
{
	case Active;
}

class MyClass extends OldStatus
{
}

Why is it reported? #

This error is reported by the phpstan-deprecation-rules extension.

A class extends a type that has been marked as @deprecated and whose type description is an enum. Deprecated types are planned for removal in a future version, and code should not depend on them.

How to fix it #

Replace the deprecated type with its recommended replacement:

 <?php declare(strict_types = 1);
 
-class MyClass extends OldStatus
+class MyClass extends NewStatus
 {
 }

How to ignore this error #

You can use the identifier class.extendsDeprecatedEnum to ignore this error using a comment:

// @phpstan-ignore class.extendsDeprecatedEnum
codeThatProducesTheError();

You can also use only the identifier key to ignore all errors of the same type in your configuration file in the ignoreErrors parameter:

parameters:
	ignoreErrors:
		-
			identifier: class.extendsDeprecatedEnum

Rules that report this error #

• PHPStan\Rules\Deprecations\RestrictedDeprecatedClassNameUsageExtension [1] phpstan/phpstan-deprecation-rules

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