src/Debug/Utf8.php
private static function incStat($stat, $inc)
    {
        if ($stat == 'utf8special') {
            $stat = 'bytesSpecial';
        } else {
            $stat = 'bytes'.\ucfirst($stat);
        }
        self::$stats[$stat] += $inc;
    }
private static function incStat($stat, $inc)
    {
        if ($stat == 'utf8special') {
            $stat = 'bytesSpecial';
        } else {
            $stat = 'bytes'.\ucfirst($stat);
        }
        self::$stats[$stat] += $inc;
    }
Increment statistic

@param string  $stat stat to increment
@param integer $inc  increment ammount

@return void