note 115298 added to function.round

Unexpected result or misunderstanding (php v5.5.9) <?php echo round(1.55, 1, PHP_ROUND_HALF_DOWN); // 1.5 echo round(1.551, 1, PHP_ROUND_HALF_DOWN); //1.6 ?> ---- Server IP: 195.221.21.36 Probable Submitter: 88.178.150.160 ---- Manual Page -- http://php.net/manual/en/function.round.php Edit -- https://master.php.net/note/edit/115298 Del: integrated -- https://master.php.net/note/delete/115298/integrated Del: useless -- https://master.php.net/note/delete/115298/useless Del: bad code -- https://master.php.net/note/delete/115298/bad+code Del: spam -- https://master.php.net/note/delete/115298/spam Del: non-english -- https://master.php.net/note/delete/115298/non-english Del: in docs -- https://master.php.net/note/delete/115298/in+docs Del: other reasons-- https://master.php.net/note/delete/115298 Reject -- https://master.php.net/note/reject/115298 Search -- https://master.php.net/manage/user-notes.php