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Name	Size	Permission
API	[ DIR ]	drwxr-xr-x
Access	[ DIR ]	drwxr-xr-x
Application	[ DIR ]	drwxr-xr-x
Archive	[ DIR ]	drwxr-xr-x
ArchiveProcessor	[ DIR ]	drwxr-xr-x
Archiver	[ DIR ]	drwxr-xr-x
AssetManager	[ DIR ]	drwxr-xr-x
Auth	[ DIR ]	drwxr-xr-x
Category	[ DIR ]	drwxr-xr-x
Changes	[ DIR ]	drwxr-xr-x
CliMulti	[ DIR ]	drwxr-xr-x
Columns	[ DIR ]	drwxr-xr-x
Concurrency	[ DIR ]	drwxr-xr-x
Config	[ DIR ]	drwxr-xr-x
Container	[ DIR ]	drwxr-xr-x
CronArchive	[ DIR ]	drwxr-xr-x
DataAccess	[ DIR ]	drwxr-xr-x
DataFiles	[ DIR ]	drwxr-xr-x
DataTable	[ DIR ]	drwxr-xr-x
Db	[ DIR ]	drwxr-xr-x
DeviceDetector	[ DIR ]	drwxr-xr-x
Email	[ DIR ]	drwxr-xr-x
Exception	[ DIR ]	drwxr-xr-x
Http	[ DIR ]	drwxr-xr-x
Intl	[ DIR ]	drwxr-xr-x
Mail	[ DIR ]	drwxr-xr-x
Measurable	[ DIR ]	drwxr-xr-x
Menu	[ DIR ]	drwxr-xr-x
Metrics	[ DIR ]	drwxr-xr-x
Notification	[ DIR ]	drwxr-xr-x
Period	[ DIR ]	drwxr-xr-x
Plugin	[ DIR ]	drwxr-xr-x
ProfessionalServices	[ DIR ]	drwxr-xr-x
Report	[ DIR ]	drwxr-xr-x
ReportRenderer	[ DIR ]	drwxr-xr-x
Scheduler	[ DIR ]	drwxr-xr-x
Segment	[ DIR ]	drwxr-xr-x
Session	[ DIR ]	drwxr-xr-x
Settings	[ DIR ]	drwxr-xr-x
Tracker	[ DIR ]	drwxr-xr-x
Translation	[ DIR ]	drwxr-xr-x
UpdateCheck	[ DIR ]	drwxr-xr-x
Updater	[ DIR ]	drwxr-xr-x
Updates	[ DIR ]	drwxr-xr-x
Validators	[ DIR ]	drwxr-xr-x
View	[ DIR ]	drwxr-xr-x
ViewDataTable	[ DIR ]	drwxr-xr-x
Visualization	[ DIR ]	drwxr-xr-x
Widget	[ DIR ]	drwxr-xr-x
.htaccess	545 B	-rw-r--r--
Access.php	24.89 KB	-rw-r--r--
Archive.php	35.4 KB	-rw-r--r--
ArchiveProcessor.php	26.97 KB	-rw-r--r--
AssetManager.php	15.48 KB	-rw-r--r--
Auth.php	4.03 KB	-rw-r--r--
AuthResult.php	2.13 KB	-rw-r--r--
BaseFactory.php	1.77 KB	-rw-r--r--
Cache.php	3.51 KB	-rw-r--r--
CacheId.php	2.53 KB	-rw-r--r--
CliMulti.php	14.98 KB	-rw-r--r--
Common.php	39.79 KB	-rw-r--r--
Config.php	14.69 KB	-rw-r--r--
Console.php	10.09 KB	-rw-r--r--
Context.php	3.42 KB	-rw-r--r--
Cookie.php	15.12 KB	-rw-r--r--
CronArchive.php	50.69 KB	-rw-r--r--
DataArray.php	17.97 KB	-rw-r--r--
DataTable.php	69.61 KB	-rw-r--r--
Date.php	35.04 KB	-rw-r--r--
Db.php	29.43 KB	-rw-r--r--
DbHelper.php	10.84 KB	-rw-r--r--
Development.php	6.67 KB	-rw-r--r--
ErrorHandler.php	7.55 KB	-rw-r--r--
EventDispatcher.php	6.79 KB	-rw-r--r--
ExceptionHandler.php	7.06 KB	-rw-r--r--
FileIntegrity.php	15.8 KB	-rw-r--r--
Filechecks.php	8.79 KB	-rw-r--r--
Filesystem.php	18.74 KB	-rw-r--r--
FrontController.php	29.31 KB	-rw-r--r--
Http.php	44.42 KB	-rw-r--r--
IP.php	5.08 KB	-rw-r--r--
Log.php	8.14 KB	-rw-r--r--
LogDeleter.php	3.81 KB	-rw-r--r--
Mail.php	9.32 KB	-rw-r--r--
Metrics.php	20.76 KB	-rw-r--r--
NoAccessException.php	398 B	-rw-r--r--
Nonce.php	8.25 KB	-rw-r--r--
Notification.php	5.72 KB	-rw-r--r--
NumberFormatter.php	10 KB	-rw-r--r--
Option.php	8.25 KB	-rw-r--r--
Period.php	13.52 KB	-rw-r--r--
Piwik.php	27.95 KB	-rw-r--r--
Plugin.php	21.52 KB	-rw-r--r--
Profiler.php	13.32 KB	-rw-r--r--
ProxyHeaders.php	2.16 KB	-rw-r--r--
ProxyHttp.php	11.94 KB	-rw-r--r--
QuickForm2.php	3.94 KB	-rw-r--r--
RankingQuery.php	13.06 KB	-rw-r--r--
ReportRenderer.php	8.59 KB	-rw-r--r--
Segment.php	24.24 KB	-rw-r--r--
Sequence.php	3.11 KB	-rw-r--r--
Session.php	8.04 KB	-rw-r--r--
SettingsPiwik.php	18.07 KB	-rw-r--r--
SettingsServer.php	7.58 KB	-rw-r--r--
Singleton.php	1.46 KB	-rw-r--r--
Site.php	17.86 KB	-rw-r--r--
SiteContentDetector.php	14.22 KB	-rw-r--r--
SupportedBrowser.php	2.25 KB	-rw-r--r--
TCPDF.php	1.87 KB	-rw-r--r--
Theme.php	4.93 KB	-rw-r--r--
Timer.php	2.57 KB	-rw-r--r--
Tracker.php	11.79 KB	-rw-r--r--
Twig.php	19.74 KB	-rw-r--r--
Unzip.php	1.28 KB	-rw-r--r--
UpdateCheck.php	3.34 KB	-rw-r--r--
Updater.php	25.08 KB	-rw-r--r--
UpdaterErrorException.php	304 B	-rw-r--r--
Updates.php	3.86 KB	-rw-r--r--
Url.php	25.67 KB	-rw-r--r--
UrlHelper.php	11.24 KB	-rw-r--r--
Version.php	806 B	-rw-r--r--
View.php	18.2 KB	-rw-r--r--
bootstrap.php	2.03 KB	-rw-r--r--
dispatch.php	928 B	-rw-r--r--
testMinimumPhpVersion.php	10.82 KB	-rw-r--r--

Code Editor : ErrorHandler.php

<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik;

use Piwik\Container\StaticContainer;
use Piwik\Exception\ErrorException;
use Psr\Log\LoggerInterface;

/**
 * Piwik's error handler function.
 */
class ErrorHandler
{
    private static $fatalErrorStackTrace = [];

private static $lastError = '';

/**
     * Fatal errors in PHP do not leave behind backtraces, which can make it impossible to determine
     * the exact cause of one. We can, however, save a partial stack trace by remembering certain execution
     * points. This method and popFatalErrorBreadcrumb() are used for that purpose.
     *
     * To use this method, surround a function call w/ pushFatalErrorBreadcrumb() & popFatalErrorBreadcrumb()
     * like so:
     *
     *     public function theMethodIWantToAppearInFatalErrorStackTraces()
     *     {
     *         try {
     *             ErrorHandler::pushFatalErrorBreadcrumb(static::class);
     *
     *             // ...
     *         } finally {
     *             ErrorHandler::popFatalErrorBreadcrumb();
     *         }
     *     }
     *
     * If a fatal error occurs, theMethodIWantToAppearInFatalErrorStackTraces will appear in the stack trace,
     * if PIWIK_PRINT_ERROR_BACKTRACE is true.
     */
    public static function pushFatalErrorBreadcrumb($className = null, $importantArgs = null)
    {
        $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, $limit = 2);
        $backtrace[1]['class'] = $className; // knowing the derived class name is far more useful
        $backtrace[1]['args'] = empty($importantArgs) ? [] : array_map('json_encode', $importantArgs);
        array_unshift(self::$fatalErrorStackTrace, $backtrace[1]);
    }

public static function popFatalErrorBreadcrumb()
    {
        array_shift(self::$fatalErrorStackTrace);
    }

public static function getFatalErrorPartialBacktrace()
    {
        $result = '';
        foreach (self::$fatalErrorStackTrace as $index => $entry) {
            $function = $entry['function'];
            if (!empty($entry['class'])) {
                $function = $entry['class'] . $entry['type'] . $function;
            }

$args = '';
            if (!empty($entry['args'])) {
                $isFirst = true;
                foreach ($entry['args'] as $name => $value) {
                    if ($isFirst) {
                        $isFirst = false;
                    } else {
                        $args .= ', ';
                    }
                    $args .= $name . '=' . $value;
                }
            }

$result .= sprintf("#%s %s(%s): %s(%s)\n", $index, $entry['file'], $entry['line'], $function, $args);
        }
        return $result;
    }

/**
     * Returns a string description of a PHP error number.
     *
     * @param int $errno `E_ERROR`, `E_WARNING`, `E_PARSE`, etc.
     * @return string
     */
    public static function getErrNoString($errno)
    {
        switch ($errno) {
            case E_ERROR:
                return "Error";
            case E_WARNING:
                return "Warning";
            case E_PARSE:
                return "Parse Error";
            case E_NOTICE:
                return "Notice";
            case E_CORE_ERROR:
                return "Core Error";
            case E_CORE_WARNING:
                return "Core Warning";
            case E_COMPILE_ERROR:
                return "Compile Error";
            case E_COMPILE_WARNING:
                return "Compile Warning";
            case E_USER_ERROR:
                return "User Error";
            case E_USER_WARNING:
                return "User Warning";
            case E_USER_NOTICE:
                return "User Notice";
            case E_STRICT:
                return "Strict Notice";
            case E_RECOVERABLE_ERROR:
                return "Recoverable Error";
            case E_DEPRECATED:
                return "Deprecated";
            case E_USER_DEPRECATED:
                return "User Deprecated";
            default:
                return "Unknown error ($errno)";
        }
    }

public static function registerErrorHandler()
    {
        set_error_handler(array('Piwik\ErrorHandler', 'errorHandler'));
    }

public static function errorHandler($errno, $errstr, $errfile, $errline)
    {
        self::$lastError = self::createLogMessage($errno, $errstr, $errfile, $errline);

// if the error has been suppressed by the @ we don't handle the error
        if (!(error_reporting() & $errno)) {
            return;
        }

switch ($errno) {
            case E_ERROR:
            case E_PARSE:
            case E_CORE_ERROR:
            case E_CORE_WARNING:
            case E_COMPILE_ERROR:
            case E_COMPILE_WARNING:
            case E_USER_ERROR:
                Common::sendResponseCode(500);
                // Convert the error to an exception with an HTML message
                $e = new \Exception();
                $backtrace = \Piwik_ShouldPrintBackTraceWithMessage() ? $e->getTraceAsString() : '';
                $message = self::getHtmlMessage($errno, $errstr, $errfile, $errline, $backtrace);
                throw new ErrorException($message, 0, $errno, $errfile, $errline);
            case E_WARNING:
            case E_NOTICE:
            case E_USER_WARNING:
            case E_USER_NOTICE:
            case E_STRICT:
            case E_RECOVERABLE_ERROR:
            case E_DEPRECATED:
            case E_USER_DEPRECATED:
            default:
                $context = array('trace' => debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 15));
                try {
                    StaticContainer::get(LoggerInterface::class)->warning(
                        self::createLogMessage($errno, $errstr, $errfile, $errline),
                        $context
                    );
                } catch (\Exception $ex) {
                    // ignore (it's possible for this to happen if the StaticContainer hasn't been created yet)
                }

break;
        }
    }

public static function getLastError()
    {
        $lastError = error_get_last();

if (!empty($lastError['message'])) {
            return $lastError['message'];
        }

return self::$lastError;
    }

private static function createLogMessage($errno, $errstr, $errfile, $errline)
    {
        return sprintf(
            "%s(%d): %s - %s - Matomo " . (class_exists('Piwik\Version') ? Version::VERSION : '') . " - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already)",
            $errfile,
            $errline,
            ErrorHandler::getErrNoString($errno),
            $errstr
        );
    }

private static function getHtmlMessage($errno, $errstr, $errfile, $errline, $trace)
    {
        $trace = Log::$debugBacktraceForTests ?: $trace;

$message = ErrorHandler::getErrNoString($errno) . ' - ' . $errstr;

$html = "There is an error. Please report the message (Matomo " . (class_exists('Piwik\Version') ? Version::VERSION : '') . ")
 and full backtrace in the <a target='_blank' rel='noreferrer noopener' href='https://forum.matomo.org'>Matomo forums</a> (please do a search first as it might have been reported already!).";
 $html .= "{$message} in {$errfile}";
 $html .= " on line {$errline}";
 $html .= "Backtrace:<pre>";
 $html .= str_replace("\n", "\n", $trace);
 $html .= "</pre>";

return $html;
    }
}

${this.title}

Code Editor : ErrorHandler.php