HTML_Progress::addListener

attachs a progress observer instance to the list of listeners

Synopsis

require_once 'HTML/Progress.php';

bool HTML_Progress::addListener( object $observer)

Description

This method is used to attach a progress observer or monitor instance to the list of listeners.

Parameter

object $observer: the HTML_Progress_Observer instance to attach as a listener.

Note

( HTML_Progress >= 1.0 )

This function can not be called statically.

See

HTML_Progress::removeListener, HTML_Progress::getListeners

Example

<?php 
require_once 'HTML/Progress/monitor.php';
    
$bar = new HTML_Progress();
$mon = new HTML_Progress_Monitor();
 
$li = $bar->getListeners();
printf("try 1: %d listener(s) <br/>", count($li));
 
$bar->addListener($mon);
$li = $bar->getListeners();
printf("try 2: %d listener(s) <br/>", count($li));
?>