WP_Object_Cache::_exists( int|string $key, string $group )
Serves as a utility function to determine whether a key exists in the cache.
Description
Parameters
- $key
-
(int|string) (Required) Cache key to check for existence.
- $group
-
(string) (Required) Cache group for the key existence check.
Return
(bool) Whether the key exists in the cache for the given group.
Source
File: wp-includes/cache.php
protected function _exists( $key, $group ) {
return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
}
Changelog
| Version | Description |
|---|---|
| 3.4.0 | Introduced. |