2011/9/17 Bill Guion <bgu...@comcast.net>:
> On Sep 17, 2011, at 3:46 AM, Cyril Lopez wrote:
>
>> From: Cyril Lopez <cy...@nethik.fr>
>> Date: September 16, 2011 10:58:28 AM EDT
>> To: php-general@lists.php.net
>> 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.
Mmh ok. In french we call us "banking round" but the "infinite round"
(PHP_ROUND_HALF_UP) is more usual ?
Thanks all. But... Last question, what kind of round do you use for
pricing information, shop, bank requests ?
Cyril
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