note 109352 added to function.round

Re: chop a number to x decimal places without rounding up. You can subtract a cheat value (.5 * the smallest decimal place you want) then round as normal. So if you want 3 decimal places, you subtract 0.0005. Rounds to negative decimal place also. <?php function chopRound($n, $p){ return round($n-(5/(pow(10,$p+1))), $p); } echo chopRound(0.164999, 3); // 0.164 echo chopRound(3599.123, -2); // 3500 ?> In the first example, if you add enough 9's onto the number, it will eventually return 0.165. Still, it's pretty quick. ---- Server IP: 69.147.83.197 Probable Submitter: 76.119.132.7 ---- Manual Page -- http://www.php.net/manual/en/function.round.php Edit -- https://master.php.net/note/edit/109352 Del: integrated -- https://master.php.net/note/delete/109352/integrated Del: useless -- https://master.php.net/note/delete/109352/useless Del: bad code -- https://master.php.net/note/delete/109352/bad+code Del: spam -- https://master.php.net/note/delete/109352/spam Del: non-english -- https://master.php.net/note/delete/109352/non-english Del: in docs -- https://master.php.net/note/delete/109352/in+docs Del: other reasons-- https://master.php.net/note/delete/109352 Reject -- https://master.php.net/note/reject/109352 Search -- https://master.php.net/manage/user-notes.php