Ouzo\Db\Stats::formatStackFrame PHP Method

    public static function formatStackFrame($index, array $frame)
    {
        $stack = '';
        if (isset($frame['file']) && isset($frame['line']) && isset($frame['function'])) {
            $stack .= "#{$index} {$frame['file']} ({$frame['line']}): ";
            if (isset($frame['class'])) {
                $stack .= $frame['class'] . "->";
            }
            $stack .= $frame['function'] . "()" . PHP_EOL;
        }
        return $stack;
    }