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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
*
* @category Piwik
* @package Piwik
*/
/**
* Class used to log an error event.
*
* @package Piwik
* @subpackage Piwik_Log
*/
class Piwik_Log_Error extends Piwik_Log
{
const ID = 'logger_error';
/**
* Constructor
*/
function __construct()
{
$logToFileFilename = self::ID;
$logToDatabaseTableName = self::ID;
$logToDatabaseColumnMapping = array(
'timestamp' => 'timestamp',
'message' => 'message',
'errno' => 'errno',
'errline' => 'errline',
'errfile' => 'errfile',
'backtrace' => 'backtrace'
);
$screenFormatter = new Piwik_Log_Error_Formatter_ScreenFormatter();
$fileFormatter = new Piwik_Log_Formatter_FileFormatter();
parent::__construct($logToFileFilename,
$fileFormatter,
$screenFormatter,
$logToDatabaseTableName,
$logToDatabaseColumnMapping);
}
/**
* Adds the writer
*/
function addWriteToScreen()
{
parent::addWriteToScreen();
$writerScreen = new Zend_Log_Writer_Stream('php://stderr');
$writerScreen->setFormatter($this->screenFormatter);
$this->addWriter($writerScreen);
}
/**
* Logs the given error event
*
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
* @param string $backtrace
*/
public function logEvent($errno, $errstr, $errfile, $errline, $backtrace)
{
$event = array();
$event['errno'] = $errno;
$event['message'] = $errstr;
$event['errfile'] = $errfile;
$event['errline'] = $errline;
$event['backtrace'] = $backtrace;
parent::log($event, Piwik_Log::ERR, null);
}
}
/**
* Format an error event to be displayed on the screen.
*
* @package Piwik
* @subpackage Piwik_Log
*/
class Piwik_Log_Error_Formatter_ScreenFormatter extends Piwik_Log_Formatter_ScreenFormatter
{
/**
* 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)
{
$event = parent::formatEvent($event);
$errno = $event['errno'];
$errstr = $event['message'];
$errfile = $event['errfile'];
$errline = $event['errline'];
$backtrace = $event['backtrace'];
$strReturned = '';
$errno = $errno & error_reporting();
// problem when using error_reporting with the @ silent fail operator
// it gives an errno 0, and in this case the objective is to NOT display anything on the screen!
// is there any other case where the errno is zero at this point?
if ($errno == 0) return '';
$strReturned .= "\n<div style='word-wrap: break-word; border: 3px solid red; padding:4px; width:70%; background-color:#FFFF96;'>
<strong>There is an error. Please report the message (Piwik " . (class_exists('Piwik_Version') ? Piwik_Version::VERSION : '') . ")
and full backtrace in the <a href='?module=Proxy&action=redirect&url=http://forum.piwik.org' target='_blank'>Piwik forums</a> (please do a Search first as it might have been reported already!).<br /><br/>
";
switch ($errno) {
case E_ERROR:
$strReturned .= "Error";
break;
case E_WARNING:
$strReturned .= "Warning";
break;
case E_PARSE:
$strReturned .= "Parse Error";
break;
case E_NOTICE:
$strReturned .= "Notice";
break;
case E_CORE_ERROR:
$strReturned .= "Core Error";
break;
case E_CORE_WARNING:
$strReturned .= "Core Warning";
break;
case E_COMPILE_ERROR:
$strReturned .= "Compile Error";
break;
case E_COMPILE_WARNING:
$strReturned .= "Compile Warning";
break;
case E_USER_ERROR:
$strReturned .= "User Error";
break;
case E_USER_WARNING:
$strReturned .= "User Warning";
break;
case E_USER_NOTICE:
$strReturned .= "User Notice";
break;
case E_STRICT:
$strReturned .= "Strict Notice";
break;
case E_RECOVERABLE_ERROR:
$strReturned .= "Recoverable Error";
break;
case E_DEPRECATED:
$strReturned .= "Deprecated";
break;
case E_USER_DEPRECATED:
$strReturned .= "User Deprecated";
break;
default:
$strReturned .= "Unknown error ($errno)";
break;
}
$strReturned .= ":</strong> <i>$errstr</i> in <b>$errfile</b> on line <b>$errline</b>\n";
$strReturned .= "<br /><br />Backtrace --><div style=\"font-family:Courier;font-size:10pt\">";
$strReturned .= str_replace(array("\n", '#'), array("<br />\n", "<br />\n#"), $backtrace);
$strReturned .= "</div><br />";
$strReturned .= "\n </pre></div><br />";
return parent::format($strReturned);
}
}
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