| CARVIEW |
Serves as a utility function to determine whether a key exists in the cache.
$keyint|stringrequired$groupstringrequiredprotected function _exists( $key, $group ) {
return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
}
| Used by | Description |
|---|---|
WP_Object_Cache::replace()wp-includes/class-wp-object-cache.php | Replaces the contents in the cache, if contents already exist. |
WP_Object_Cache::get()wp-includes/class-wp-object-cache.php | Retrieves the cache contents, if it exists. |
WP_Object_Cache::delete()wp-includes/class-wp-object-cache.php | Removes the contents of the cache key in the group. |
WP_Object_Cache::incr()wp-includes/class-wp-object-cache.php | Increments numeric cache item’s value. |
WP_Object_Cache::decr()wp-includes/class-wp-object-cache.php | Decrements numeric cache item’s value. |
WP_Object_Cache::add()wp-includes/class-wp-object-cache.php | Adds data to the cache if it doesn’t already exist. |
| Version | Description |
|---|---|
| 3.4.0 | Introduced. |
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