Title: WP_Ability_Category::__sleep
Published: February 24, 2026

---

# WP_Ability_Category::__sleep()

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/wp_ability_category/__sleep/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_ability_category/__sleep/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_ability_category/__sleep/?output_format=md#wp--skip-link--target)

Sleep magic method.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_ability_category/__sleep/?output_format=md#source)󠁿

    ```php
    public function __sleep(): array {
    	throw new LogicException( __CLASS__ . ' should never be serialized.' );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/abilities-api/class-wp-ability-category.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/abilities-api/class-wp-ability-category.php#L213)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/abilities-api/class-wp-ability-category.php#L213-L215)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_ability_category/__sleep/?output_format=md#changelog)󠁿

| Version | Description | 
| [6.9.0](https://developer.wordpress.org/reference/since/6.9.0/) | Introduced. |

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