Title: ClassDiscovery::getFromCache
Published: May 20, 2026

---

# ClassDiscovery::getFromCache( string $type ): string|null

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#related)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#wp--skip-link--target)

This function’s access is marked private. This means it is not intended for use 
by plugin or theme developers, only by core. It is listed here for completeness.

Get a value from cache.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#parameters)󠁿

 `$type`stringrequired

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#return)󠁿

 string|null

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#source)󠁿

    ```php
    private static function getFromCache($type)
    {
        if (!isset(self::$cache[$type])) {
            return;
        }
        $candidate = self::$cache[$type];
        if (isset($candidate['condition'])) {
            if (!self::evaluateCondition($candidate['condition'])) {
                return;
            }
        }
        return $candidate['class'];
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/third-party/http/discovery/classdiscovery.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/third-party/Http/Discovery/ClassDiscovery.php#L83)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/third-party/Http/Discovery/ClassDiscovery.php#L83-L95)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/getfromcache/?output_format=md#related)󠁿

| Uses | Description | 
| [ClassDiscovery::evaluateCondition()](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/evaluatecondition/)`wp-includes/php-ai-client/third-party/Http/Discovery/ClassDiscovery.php` |

Evaluates conditions to boolean.

  |

| Used by | Description | 
| [ClassDiscovery::findOneByType()](https://developer.wordpress.org/reference/classes/wordpress-aiclientdependencies-http-discovery-classdiscovery/findonebytype/)`wp-includes/php-ai-client/third-party/Http/Discovery/ClassDiscovery.php` |

Finds a class.

  |

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