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Summery Summery
Serves as a utility function to determine whether a key exists in the cache.
Syntax Syntax
Parameters Parameters
- $key
-
(Required) Cache key to check for existence.
- $group
-
(Required) Cache group for the key existence check.
Return Return
(bool) Whether the key exists in the cache for the given group.
Source Source
File: wp-includes/class-wp-object-cache.php
* * This changes the blog ID used to create keys in blog specific groups. *
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Changelog Changelog
| Version | Description |
|---|---|
| 3.4.0 | Introduced. |