EvWatcher::keepalive
EvWatcher::start
EvWatcher
PHP Manual

# EvWatcher::setCallback

(PECL ev >= 0.2.0)

EvWatcher::setCallback — Sets new callback for the watcher

### Description

public void EvWatcher::setCallback ( callable `$callback` )

Sets new callback for the watcher

### Parameters

`callback`

  See Watcher callbacks .

### Return Values

No value is returned.

EvWatcher::keepalive
EvWatcher::start
EvWatcher
PHP Manual