* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id: observer.php,v 1.4 2005/07/25 13:02:33 farell Exp $
* @link http://pear.php.net/package/HTML_Progress
*/
/**
* The HTML_Progress_Observer implements the observer pattern
* for watching progress bar activity and taking actions
* on exceptional events.
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_Progress
* @subpackage Progress_Observer
* @author Laurent Laville
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: 1.2.6
* @link http://pear.php.net/package/HTML_Progress
*/
class HTML_Progress_Observer
{
/**
* Instance-specific unique identification number.
*
* @var integer
* @since 1.0
* @access private
*/
var $_id;
/**
* Creates a new basic HTML_Progress_Observer instance.
*
* @since 1.0
* @access public
*/
function HTML_Progress_Observer()
{
$this->_id = md5(microtime());
}
/**
* This is a stub method to make sure that HTML_Progress_Observer classes do
* something when they are notified of a message. The default behavior
* is to just write into a file 'progress_observer.log' in current directory.
* You should override this method.
*
* Default events :
* - setMinimum
* - setMaximum
* - setValue
*
* @param mixed $event A hash describing the progress event.
* @since 1.0
* @access public
*/
function notify($event)
{
$msg = (is_array($event)) ? serialize($event) : $event;
error_log ("$msg \n", 3, 'progress_observer.log');
}
}
?>