Title: WP_Block_Bindings_Registry::__wakeup
Published: April 3, 2024
Last modified: August 20, 2026

---

# WP_Block_Bindings_Registry::__wakeup()

## In this article

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

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

Wakeup magic method.

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

    ```php
    public function __wakeup() {
    	if ( ! $this->sources ) {
    		return;
    	}
    	if ( ! is_array( $this->sources ) ) {
    		throw new UnexpectedValueException();
    	}
    	foreach ( $this->sources as $value ) {
    		if ( ! $value instanceof WP_Block_Bindings_Source ) {
    			throw new UnexpectedValueException();
    		}
    	}
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-block-bindings-registry.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-includes/class-wp-block-bindings-registry.php#L251)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-block-bindings-registry.php#L251-L263)

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

| Version | Description | 
| [6.5.0](https://developer.wordpress.org/reference/since/6.5.0/) | Introduced. |

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