Name
HTML_Progress2::removeListener
— Removes a registered observer.
Synopsis
require_once 'HTML/Progress2.php';
bool HTML_Progress2::removeListener( |
$callback) ; |
|
Description
Detachs a previously registered observer and remove the Event Dispatcher if there is no more observer registered.
Parameter
- mixed
$callback
-
PHP callback that act as listener
Return value
returns True if observer was removed, false otherwise
Throws
throws HTML_PROGRESS2_ERROR_INVALID_CALLBACK
Note
since 2.0.0
This function can not be called statically.