note 99112 added to language.operators.arithmetic

From: Date: Wed, 28 Jul 2010 12:42:27 +0000
Subject: note 99112 added to language.operators.arithmetic
Groups: php.notes 
Request: Send a blank email to php-notes+get-171186@lists.php.net to get a copy of this message
I notice a trouble with the modulus operator, when trying to work with great values: <?php function modulo($val, $div) { $r = $val - (floor($val/$div)*$div); return $r; } $values = array(375389654, 50856937683); $divs = array(2, 16, 62); foreach ($values as $v) { foreach ($divs as $d) { echo $v, '%', $d, ' gives ', modulo($v, $d), ' but get ', ($v%$d), '<br />'; } } ?> And output : <?php /* 375389654%2 gives 0 but get 0 375389654%16 gives 6 but get 6 375389654%62 gives 52 but get 52 50856937683%2 gives 1 but get -1 50856937683%16 gives 3 but get -13 50856937683%62 gives 27 but get -21 */ ?> ---- Server IP: 69.147.83.197 Probable Submitter: 194.2.203.171 ---- Manual Page -- http://www.php.net/manual/en/language.operators.arithmetic.php Edit -- https://master.php.net/note/edit/99112 Del: integrated -- https://master.php.net/note/delete/99112/integrated Del: useless -- https://master.php.net/note/delete/99112/useless Del: bad code -- https://master.php.net/note/delete/99112/bad+code Del: spam -- https://master.php.net/note/delete/99112/spam Del: non-english -- https://master.php.net/note/delete/99112/non-english Del: in docs -- https://master.php.net/note/delete/99112/in+docs Del: other reasons-- https://master.php.net/note/delete/99112 Reject -- https://master.php.net/note/reject/99112 Search -- https://master.php.net/manage/user-notes.php

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