EvPrepare::__construct Constructs EvPrepare watcher object &reftitle.description; public EvPrepare::__construct string callback string data string priority Constructs EvPrepare watcher object. And starts the watcher automatically. If need a stopped watcher consider using EvPrepare::createStopped &reftitle.parameters; callback See Watcher callbacks . data Custom data associated with the watcher. priority Watcher priority &reftitle.returnvalues; Returns EvPrepare object on success. &reftitle.seealso; EvCheck