WP_Object_Cache::_exists( int|string $key, string $group ): bool
Serves as a utility function to determine whether a key exists in the cache.
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/class-wp-object-cache.php
.
View all references
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. |