Title: WP_AI_Client_Cache::setMultiple
Published: May 20, 2026

---

# WP_AI_Client_Cache::setMultiple( $values, null|int|DateInterval $ttl = null ): bool

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#changelog)

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

Persists a set of key => value pairs in the cache, with an optional TTL.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#parameters)󠁿

mixed> $values A list of key => value pairs for a multiple-set operation.

`$ttl`null|int|DateIntervaloptional

The TTL value of this item.

Default:`null`

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#return)󠁿

 bool True on success and false on failure.

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

    ```php
    public function setMultiple( $values, $ttl = null ): bool {
    	$values_array = $this->iterable_to_array( $values );
    	$expire       = $this->ttl_to_seconds( $ttl );
    	$results      = wp_cache_set_multiple( $values_array, self::CACHE_GROUP, $expire );

    	// Return true only if all operations succeeded.
    	return ! in_array( false, $results, true );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/ai-client/adapters/class-wp-ai-client-cache.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/ai-client/adapters/class-wp-ai-client-cache.php#L138)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ai-client/adapters/class-wp-ai-client-cache.php#L138-L145)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/setmultiple/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_AI_Client_Cache::iterable_to_array()](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/iterable_to_array/)`wp-includes/ai-client/adapters/class-wp-ai-client-cache.php` |

Converts an iterable to an array.

  | 
| [WP_AI_Client_Cache::ttl_to_seconds()](https://developer.wordpress.org/reference/classes/wp_ai_client_cache/ttl_to_seconds/)`wp-includes/ai-client/adapters/class-wp-ai-client-cache.php` |

Converts a PSR-16 TTL value to seconds for WordPress cache functions.

  | 
| [wp_cache_set_multiple()](https://developer.wordpress.org/reference/functions/wp_cache_set_multiple/)`wp-includes/cache.php` |

Sets multiple values to the cache in one call.

  |

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

| Version | Description | 
| [7.0.0](https://developer.wordpress.org/reference/since/7.0.0/) | Introduced. |

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