(PECL event >= 1.2.6-beta)
The setCallback purpose
public void EventListener::setCallback ( callable $cb [, mixed $arg = NULL ] )
Adjust event connect listener's callback and optionally the callback argument.
Parameters:
cb
The new callback for new connections. Ignored if NULL.
Should match the following prototype:
void callback ([ EventListener
$listener = NULL [, mixed $fd = NULL [, array $address = NULL [, mixed $arg = NULL ]]]] )
arg
Custom user data attached to the callback. Ignored if NULL.
Returns:
No value is returned.
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