framework/log/Target.php
public function formatMessage($message)
    {
        list($text, $level, $category, $timestamp) = $message;
        $level = Logger::getLevelName($level);
        if (!is_string($text)) {
            // exceptions may not be serializable if in the call stack somewhere is a Closure
            if ($text instanceof \Throwable || $text instanceof \Exception) {
                $text = (string) $text;
            } else {
                $text = VarDumper::export($text);
            }
        }
        $traces = [];
        if (isset($message[4])) {
            foreach ($message[4] as $trace) {
                $traces[] = "in {$trace['file']}:{$trace['line']}";
            }
        }

        $prefix = $this->getMessagePrefix($message);
        return $this->getTime($timestamp) . " {$prefix}[$level][$category] $text"
            . (empty($traces) ? '' : "\n    " . implode("\n    ", $traces));
    }
public function formatMessage($message)
    {
        list($text, $level, $category, $timestamp) = $message;
        $level = Logger::getLevelName($level);
        if (!is_string($text)) {
            // exceptions may not be serializable if in the call stack somewhere is a Closure
            if ($text instanceof \Throwable || $text instanceof \Exception) {
                $text = (string) $text;
            } else {
                $text = VarDumper::export($text);
            }
        }
        $traces = [];
        if (isset($message[4])) {
            foreach ($message[4] as $trace) {
                $traces[] = "in {$trace['file']}:{$trace['line']}";
            }
        }

        $prefix = $this->getMessagePrefix($message);
        return $this->getTime($timestamp) . " {$prefix}[$level][$category] $text"
            . (empty($traces) ? '' : "\n    " . implode("\n    ", $traces));
    }
public function formatMessage ( $ message ) { list ( $ text , $ level , $ category , $ timestamp ) = $ message ; $ level = Logger :: getLevelName ( $ level ) ; if ( ! is_string ( $ text ) ) { // exceptions may not be serializable if in the call stack somewhere is a Closure if ( $ text instanceof \ Throwable || $ text instanceof \ Exception ) { $ text = ( string ) $ text ; } else { $ text = VarDumper :: export ( $ text ) ; } } $ traces = [ ] ; if ( isset ( $ message [ 4 ] ) ) { foreach ( $ message [ 4 ] as $ trace ) { $ traces [ ] = "in {$trace['file']}:{$trace['line']}" ; } } $ prefix = $ this -> getMessagePrefix ( $ message ) ; return $ this -> getTime ( $ timestamp ) . " {$prefix}[$level][$category] $text" . ( empty ( $ traces ) ? '' : "\n    " . implode ( "\n    " , $ traces ) ) ; }
Formats a log message for display as a string.
@param array $message the log message to be formatted.
The message structure follows that in [[Logger::messages]].
@return string the formatted message
Formats a log message for display as a string .