Flow\Template::getLineTrace PHP Method

    public function getLineTrace(\Exception $e = null)
    {
        if (!isset($e)) {
            $e = new \Exception();
        }
        $lines = static::$lines;
        $file = get_class($this) . '.php';
        foreach ($e->getTrace() as $trace) {
            if (isset($trace['file']) && basename($trace['file']) == $file) {
                $line = $trace['line'];
                return isset($lines[$line]) ? $lines[$line] : null;
            }
        }
        return null;
    }