note 121871 deleted from language.operators.arithmetic by salathe
| From: | salathe@php.net | Date: | Mon, 21 Sep 2020 14:58:19 +0000 |
| Subject: | note 121871 deleted from language.operators.arithmetic by salathe | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-215403@lists.php.net to get a copy of this message | ||
Note Submitter: philippe
----
To get a positiv result
function modulo(int $a, int $b):?int {
if ($b == 0) {
throw new Exception('modulo : second operand must not be zero');
}
$b = abs($b);
// test $b == 1 for performance when $a < 0
return ($b == 1) ? 0 : (($a < 0) ? modulo($a + $b, $b) : $a % $b);
}