note 89348 added to function.floor

From: Date: Wed, 04 Mar 2009 11:44:13 +0000
Subject: note 89348 added to function.floor
Groups: php.notes 
Request: Send a blank email to php-notes+get-151441@lists.php.net to get a copy of this message
<?php $no1 = 930; $no2 = 18.6; $result = $no1 / $no2; var_dump($result); // float(50) // BUT! floor($result); // float(49) ?> "Returns the next lowest integer value by rounding down value if necessary." Maybe 930 / 18.6 is something like 49.99999999999999999999999999999. In that case floor function works correctly and result is 49. (See "jay at w3prodigy dot com" post on 25-Mar-2008 10:01) But this is not that value what i expect. Solution for me is round this value with reasonable precision, for example 10 <?php floor(round($result, 10)); // float(50) // note floor(round($result, 14)); // float(50) floor(round($result, 15)); // float(49) ?> Tested on: PHP/5.2.5 Apache/2.2.3 (Linux/SUSE) PHP/5.1.6 Apache/2.0.59 (Win32) PHP/5.1.6 Apache/2.0.61 (Unix) ---- Server IP: 212.47.220.13 Probable Submitter: 89.219.158.37 ---- Manual Page -- http://www.php.net/manual/en/function.floor.php Edit -- https://master.php.net/note/edit/89348 Del: integrated -- https://master.php.net/note/delete/89348/integrated Del: useless -- https://master.php.net/note/delete/89348/useless Del: bad code -- https://master.php.net/note/delete/89348/bad+code Del: spam -- https://master.php.net/note/delete/89348/spam Del: non-english -- https://master.php.net/note/delete/89348/non-english Del: in docs -- https://master.php.net/note/delete/89348/in+docs Del: other reasons-- https://master.php.net/note/delete/89348 Reject -- https://master.php.net/note/reject/89348 Search -- https://master.php.net/manage/user-notes.php

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