kint-php / kint

        }

        $out = $r->getDateTime()->format('Y-m-d H:i:s.u');

        if ($r->lap !== null) {

            $out .= "\n<b>SINCE LAST CALL:</b> <b class=\"kint-microtime-lap\">".round($r->lap, 4).'</b>s.';

        }

        if ($r->total !== null) {

            $out .= "\n<b>SINCE START:</b> ".round($r->total, 4).'s.';

        }

        if ($r->total !== null) {

            $out .= "\n<b>SINCE START:</b> ".round($r->total, 4).'s.';

        }

        if ($r->avg !== null) {

            $out .= "\n<b>AVERAGE DURATION:</b> <span class=\"kint-microtime-avg\">".round($r->avg, 4).'</span>s.';

        }

        $bytes = Utils::getHumanReadableBytes($r->mem);

        $out .= "\n<b>MEMORY USAGE:</b> ".$r->mem.' bytes ('.round($bytes['value'], 3).' '.$bytes['unit'].')';