On Sep 17, 2011, at 3:46 AM, Cyril Lopez wrote:
> From: Cyril Lopez <cyril@xxxxxxxxx>
> Date: September 16, 2011 10:58:28 AM EDT
> To: php-general@xxxxxxxxxxxxx
> Subject: Round with money_format
>
> Hi,
>
> Can someone help me understand how money_format() rounds numbers ?
>
> <?php
> setlocale(LC_ALL, 'fr_FR.UTF-8');
> $price = 12.665;
> echo money_format('%i',$price);
> // 12.66 EUR, 12.67 EUR expected
>
> $price2 = 12.666;
> echo money_format('%i',$price2);
> // 12.67 EUR, ok
>
> echo round($price,2);
> // 12.67, ok
> echo round($price2,2);
> // 12.67, ok
> ?>
>
> Misconfiguration ? Bug ?
> Thanks !
>
> Cyril
>
> Config :
> Debian Lenny, PHP 5.3.8
As someone else pointed out, rounding rules vary by locale, but I was taught 40+ years ago in graduate school programming class, 4 rounds down, 6 rounds up, and 5 rounds to the even number. This means 65 rounds to 6, while 75 rounds to 8. Your example seems to follow that rule.
-----===== Bill =====-----
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