PHP 4.0 Bug #9451 Updated: Core maths problem with incrementation
| From: | stas@php.net | Date: | Thu, 15 Mar 2001 14:16:30 +0000 |
| Subject: | PHP 4.0 Bug #9451 Updated: Core maths problem with incrementation | ||
| Groups: | php.dev | ||
| Request: | Send a blank email to php-dev+get-48985@lists.php.net to get a copy of this message | ||
ID: 9451
Updated by: stas
Reported By: alex@sgl.net.au
Old-Status: Open
Status: Closed
Bug Type: Math related
Assigned To:
Comments:
You are working with $variable as a string. Convert it to
integer with (int) or with adding 0 to it.
Previous Comments:
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[2001-02-26 02:07:30] alex@sgl.net.au
I wrote a poll section for the company i work for, on www.sgl.net.au.
I was testing boundary and illegal values with my script, and i set the number of votes for one of
the options to
-1, when i click "Vote" it takes the -1 and increments it. (taken from a mysql_db) when it
finishes incrementing it the resulting vote number is -2
so
$variable = - 1;
$variable++;
echo $variable prints out -2
The problem could be with mysql returning a positve integer only ,but i thought i'd mention it
anyway
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