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php-general | 2001062

RE: [PHP] Adding 1 to a whole number From: Don Read (dread <email protected>)
Date: 06/30/01

On 30-Jun-01 Richard Kurth wrote:
> Way is this doing this Starting with 1000 all I what to do is increse
> this number by one the first time I run it it adds 1 to the number 10001
> second time it 10001002
> Shouldn't it just add 1 to the number 1000,1001,1002,1003
>

strings don't add well, give a hint to php to use integers:

>
> $data = fgets($fp2, 1000);
>
> $data1 = $data + "1";
>
> fwrite($fp2,$data1);
>
> echo $data1;

Strings don't add nearly as well as numbers, give a hint to php
to use integers; & reset your file pointer.

$data = 1 + $data;
rewind($fp);
fwrite($fp, "$data");

Regards, 

-- 
Don Read                                       dread <email protected>
-- It's always darkest before the dawn. So if you are going to 
   steal the neighbor's newspaper, that's the time to do it.

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