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(PECL event >= 1.2.6-beta)
EventBufferEvent::setCallbacks — Assigns read, write and event(status) callbacks
$readcb
, callable $writecb
, callable $eventcb
[, string $arg
] )Assigns read, write and event(status) callbacks.
readcb
Read event callback. See About buffer event callbacks .
writecb
Write event callback. See About buffer event callbacks .
eventcb
Status-change event callback. See About buffer event callbacks .
arg
A variable that will be passed to all the callbacks.
没有返回值。