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HTML_Progress2 : The Definitive Guide



Name

HTML_Progress2::addListener - Attachs a new observer

Synopsis

      require_once 'HTML/Progress2.php';
     
void HTML_Progress2::addListener( $callback,
$nName = EVENT_DISPATCHER_GLOBAL);
mixed $callback;
string $nName = EVENT_DISPATCHER_GLOBAL;

Description

Adds a new observer to the Event Dispatcher that will listen for all messages emitted by this HTML_Progress2 instance.

Parameter

mixed $callback

PHP callback that will act as listener

string $nName

(optional) Expected notification name, serves as a filter

See

see HTML_Progress2::removeListener

Throws

throws HTML_PROGRESS2_ERROR_INVALID_CALLBACK, HTML_PROGRESS2_ERROR_INVALID_INPUT

Note

since 2.0.0

This function can not be called statically.

HTML_Progress2 : The Definitive Guide v 2.2.0 : January 2, 2007