EvWatcher
PHP 手册

EvWatcher::setCallback

(PECL ev >= 0.2.0)

EvWatcher::setCallback — Sets new callback for the watcher

说明

public void EvWatcher::setCallback ( callable $callback )

Sets new callback for the watcher

参数

callback

See Watcher callbacks .

返回值

没有返回值。

EvWatcher
PHP 手册