Re: my math stinks
| From: | Lars Torben Wilson | Date: | Sun, 10 Feb 2002 19:18:51 +0000 |
| Subject: | Re: my math stinks | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-84180@lists.php.net to get a copy of this message | ||
On Sun, 2002-02-10 at 11:05, Gary wrote:
> Hi All,
> This is the first time I have had to deal with math. I have gone
> through the manual and a few books and I think I am worse off then when
> I started. Can someone give me an example of the simple math below. I
> think If I see some in code I can move on from there.
>
> I need to find out if $pa > $pb or $pb > $pa then subtract smallest from
> the largest and add $ca and then add $ps
>
> TIA
> Gary
Break the problem down:
I need to subtract the lesser (minimum) of $pa and $pb from the
greater (maximum) of $pa and $pb;
Then just add $ca and $ps.
So something like this will do it:
$result = (max($pa, $pb) - min($pa, $pb)) + $ca + $ps;
Hope this helps,
Torben
--
Torben Wilson <torben@php.net>
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