Re: detecting negative numbers

From: Date: Sun, 16 Jul 2006 19:35:57 +0000
Subject: Re: detecting negative numbers
References: 1 2  Groups: php.db 
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They are both positive numbers. I want to see if, when subtract, do they equal a negative number? On 7/16/06, Peter Beckman <beckman@purplecow.com> wrote:
On Sun, 16 Jul 2006, Dave W wrote: Currently I have this: if($quant > $amount) {echo "You don't have that many!"; } $quant is the user inputted amount and $amount is the amount that they actually have. Is there any way of checking if the result is negative rather than doing what I have above? I'm not sure which "result" you are refering to, but this echo's if:
     $quant is greater than $amount
     $amount is less than 0
     $quant is less than 0
if ($quant > $amount or $amount < 0 or $quant < 0) {
     echo "You don't have that many!";
} ---------------------------------------------------------------------------
Peter Beckman                                                  Internet
Guy beckman@purplecow.com http://www.purplecow.com/ ---------------------------------------------------------------------------
-- Dave W

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