errno = $errno; $this->errstr = $errstr; $this->errfile = $errfile; $this->errline = $errline; $this->backtrace = $backtrace; } public function getErrNoString() { switch ($this->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 ({$this->errno})"; } } public static function formatFileAndDBLogMessage(&$message, $level, $tag, $datetime, $log) { if ($message instanceof Error) { $message = $message->errfile . '(' . $message->errline . '): ' . $message->getErrNoString() . ' - ' . $message->errstr . "\n" . $message->backtrace; $message = $log->formatMessage($level, $tag, $datetime, $message); } } public static function formatScreenMessage(&$message, $level, $tag, $datetime, $log) { if ($message instanceof Error) { $errno = $message->errno & error_reporting(); // problem when using error_reporting with the @ silent fail operator // it gives an errno 0, and in this case the objective is to NOT display anything on the screen! // is there any other case where the errno is zero at this point? if ($errno == 0) { $message = false; return; } if (!Common::isPhpCliMode()) { @header('Content-Type: text/html; charset=utf-8'); } $htmlString = ''; $htmlString .= "\n

There is an error. Please report the message (Piwik " . (class_exists('Piwik\Version') ? Version::VERSION : '') . ") and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!).

"; $htmlString .= $message->getErrNoString(); $htmlString .= ": {$message->errstr} in {$message->errfile}"; $htmlString .= " on line {$message->errline}\n"; $htmlString .= "

Backtrace -->

\n";
            $htmlString .= str_replace("\n", "
\n", $message->backtrace);
            $htmlString .= "

"; $htmlString .= "\n

"; $message = $htmlString; } } public static function setErrorHandler() { Piwik::addAction('Log.formatFileMessage', array('\\Piwik\\Error', 'formatFileAndDBLogMessage')); Piwik::addAction('Log.formatDatabaseMessage', array('\\Piwik\\Error', 'formatFileAndDBLogMessage')); Piwik::addAction('Log.formatScreenMessage', array('\\Piwik\\Error', 'formatScreenMessage')); set_error_handler(array('\\Piwik\\Error', 'errorHandler')); } public static function errorHandler($errno, $errstr, $errfile, $errline) { // if the error has been suppressed by the @ we don't handle the error if (error_reporting() == 0) { return; } $backtrace = ''; if (empty(self::$debugBacktraceForTests)) { $bt = @debug_backtrace(); if ($bt !== null && isset($bt[0])) { foreach ($bt as $i => $debug) { $backtrace .= "#$i " . (isset($debug['class']) ? $debug['class'] : '') . (isset($debug['type']) ? $debug['type'] : '') . (isset($debug['function']) ? $debug['function'] : '') . '(...) called at [' . (isset($debug['file']) ? $debug['file'] : '') . ':' . (isset($debug['line']) ? $debug['line'] : '') . ']' . "\n"; } } } else { $backtrace = self::$debugBacktraceForTests; } $error = new Error($errno, $errstr, $errfile, $errline, $backtrace); Log::error($error); 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: exit; break; 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: // do not exit break; } } }