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Error Identifier: attribute.deprecatedClass

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 NewAttribute instead */
#[\Attribute]
class OldAttribute
{
}

#[OldAttribute]
class Foo
{
}

Why is it reported? #

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

An attribute references a class that has been marked as @deprecated. Using deprecated attribute classes means your code relies on attributes that are planned for removal.

In the example above, the #[OldAttribute] attribute uses the deprecated OldAttribute class.

How to fix it #

Replace the deprecated attribute with its recommended replacement:

 <?php declare(strict_types = 1);
 
-#[OldAttribute]
+#[NewAttribute]
 class Foo
 {
 }

How to ignore this error #

You can use the identifier attribute.deprecatedClass to ignore this error using a comment:

// @phpstan-ignore attribute.deprecatedClass
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: attribute.deprecatedClass

Rules that report this error #

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

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