EventListener::setCallback

(PECL event >= 1.2.6-beta)

EventListener::setCallbackThe setCallback purpose

Description

public EventListener::setCallback (  callable $cb  [,  mixed $arg  = null  ] ) : void

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:

callback ([  EventListener $listener  = null  [,  mixed $fd  = null  [,  array $address  = null  [,  mixed $arg  = null  ]]]] ) : void
listener

The EventListener object.

fd

The file descriptor or a resource associated with the listener.

address

Array of two elements: IP address and the server port.

arg

User custom data attached to the callback.

arg

Custom user data attached to the callback. Ignored if null.

Return Values

No value is returned.

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https://www.php.net/manual/en/eventlistener.setcallback.php