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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @package Piwik_Log
* @subpackage Piwik_Log_Exception
*/
require_once "Log.php";
/**
* Class used to log an exception event.
* Displays the exception with a user friendly error message, suggests to get support from piwik.org
*
* @package Piwik_Log
* @subpackage Piwik_Log_Exception
*/
class Piwik_Log_Exception extends Piwik_Log
{
const ID = 'logger_exception';
function __construct()
{
$logToFileFilename = self::ID;
$logToDatabaseTableName = self::ID;
$logToDatabaseColumnMapping = null;
$screenFormatter = new Piwik_Log_Formatter_Exception_ScreenFormatter;
$fileFormatter = new Piwik_Log_Formatter_FileFormatter;
parent::__construct($logToFileFilename,
$fileFormatter,
$screenFormatter,
$logToDatabaseTableName,
$logToDatabaseColumnMapping );
}
public function log($exception)
{
$event = array();
$event['errno'] = $exception->getCode();
$event['message'] = $exception->getMessage();
$event['errfile'] = $exception->getFile();
$event['errline'] = $exception->getLine();
$event['backtrace'] = $exception->getTraceAsString();
parent::log($event);
}
}
/**
* Format an exception event to be displayed on the screen.
*
* @package Piwik_Log
* @subpackage Piwik_Log_Exception
*/
class Piwik_Log_Formatter_Exception_ScreenFormatter implements Zend_Log_Formatter_Interface
{
/**
* Formats data into a single line to be written by the writer.
*
* @param array $event event data
* @return string formatted line to write to the log
*/
public function format($event)
{
$errno = $event['errno'] ;
$errstr = $event['message'] ;
$errfile = $event['errfile'] ;
$errline = $event['errline'] ;
$backtrace = $event['backtrace'] ;
$divId = 'div'.$errline.$errno.rand(1,2000);
$message = "<b>Uncaught exception</b>: '". $errstr."'";
$message .= "<br><a onclick=\"if(document.getElementById('$divId').style.display=='none') { document.getElementById('$divId').style.display='inline' } else { document.getElementById('$divId').style.display = 'none' }\" href='#'>More information</a>
<div style='display:inline' id='$divId'>
<br> In <b>$errfile</b> on line <b>$errline</b>
<br> <small>Backtrace:<br><pre >";
$message .= str_replace("\n", "<br>", $backtrace);
$message .= "</pre>";
$message .= "</small></div>";
// without javascript it displays the full error message
// but with javascript we hide the DIV and onclick we show it
$message .= "<script>document.getElementById('$divId').style.display='none';</script>";
$message .= "<br>You can get help from http://piwik.org (give us the full error message + your PHP and Mysql version)";
return $message;
}
}
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