(PECL event >= 1.2.6-beta)
Event::__construct — Constructs Event object
$base ,$fd ,$what ,$cb ,$arg = NULLConstructs Event object.
baseThe event base to associate with.
fdstream resource, socket resource, or numeric file descriptor. For timer events pass -1. For signal events pass the signal number, e.g. SIGHUP.
whatEvent flags. See Event flags.
cbThe event callback. See Event callbacks.
argCustom data. If specified, it will be passed to the callback when event triggers.