container->when( Shutdown_Collection::class ) ->needs( '$tasks' ) ->give( [ // Add any terminable tasks to the collection to run on shutdown. // Important: these will run in the order provided. $this->container->get( Cache_Primer::class ), $this->container->get( Block_Library_Cache::class ), $this->container->get( Ai_Cache::class ), ] ); add_action( 'shutdown', $this->container->callback( Shutdown_Handler::class, 'handle' ), 1 ); } }