WP_AI_Client_Cache

22class WP_AI_Client_Cache implements CacheInterface {23 24	/**25	 * Cache group used for all cache operations.26	 *27	 * @since 7.0.028	 * @var string29	 */30	private const CACHE_GROUP = 'wp_ai_client';31 32	/**33	 * Retrieves the cache group used for cache operations, applying a filter for customization.34	 *35	 * @since 7.1.036	 *37	 * @return string Cache group name.38	 */39	private function get_cache_group(): string {40		/**41		 * Filters the cache group used by the WP AI Client cache adapter.42		 *43		 * Allows integrators to change the object cache group under which AI client44		 * items are stored. This is useful for avoiding key collisions, creating45		 * environment-specific caches, or adapting to backend constraints.46		 *47		 * @since 7.1.048		 *49		 * @param string $group The cache group.50		 */51		return (string) apply_filters( 'wp_ai_client_cache_group', self::CACHE_GROUP );52	}53 54	/**55	 * Fetches a value from the cache.56	 *57	 * @since 7.0.058	 *59	 * @param string $key           The unique key of this item in the cache.60	 * @param mixed  $default_value Default value to return if the key does not exist.61	 * @return mixed The value of the item from the cache, or $default_value in case of cache miss.62	 */63	public function get( $key, $default_value = null ) {64		$found = false;65		$value = wp_cache_get( $key, $this->get_cache_group(), false, $found );66 67		if ( ! $found ) {68			return $default_value;69		}70 71		return $value;72	}73 74	/**75	 * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.76	 *77	 * @since 7.0.078	 *79	 * @param string                $key   The key of the item to store.80	 * @param mixed                 $value The value of the item to store, must be serializable.81	 * @param null|int|DateInterval $ttl   Optional. The TTL value of this item.82	 * @return bool True on success and false on failure.83	 */84	public function set( $key, $value, $ttl = null ): bool {85		$expire = $this->ttl_to_seconds( $ttl );86 87		return wp_cache_set( $key, $value, $this->get_cache_group(), $expire );88	}89 90	/**91	 * Delete an item from the cache by its unique key.92	 *93	 * @since 7.0.094	 *95	 * @param string $key The unique cache key of the item to delete.96	 * @return bool True if the item was successfully removed. False if there was an error.97	 */98	public function delete( $key ): bool {99		return wp_cache_delete( $key, $this->get_cache_group() );100	}101