boolean HTTP_Client::attach (
object HTTP_Request_Listener &$listener
, boolean $propagate
The attached Listeners are notified of the following events:
$propagate is TRUE the Listener will be attached to the created HTTP_Request objects and will be notified of their events as well.
Listener instance to attach
Whether the listener should be attached to the created HTTP_Request objects
returns whether the listener was successfully attached
throws no exceptions thrown
This function can not be called statically.