 |
 |
Find a programming school near you
php3-list | 199901
Date: 01/31/99
- Next message: Karl Pielorz: "Re: [PHP3] Shell in background?"
- Previous message: Joey Smith: "Re: [PHP3] size of int = ((2^32) / 2) - 1?"
- In reply to: Joey Smith: "[PHP3] size of int = ((2^32) / 2) - 1?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
> Rasmus:
> Is the max size of int:
> 2147483647?
>
> That's, what, 2 billion or so?
>
> The best I could figure, that makes it
> ( 2^32 )
> (---------) - 1
> ( 2 )
>
> Am I right?
>
> (I just wrote a script that said:
> <?$i = 65537; /* The standard value of an int, right? */
> while (is_int($i)) {$i++;}
> exit;
> ?>
>
> And piped the results to an external file. When it freaked,
> and started printing negatives, I subtracted 1, and tested it.
> It seems right...
>
> A few ?'s...
> Was there an easier way i could have done this?
> Why didn't the script exit when it hit 2147483648,
> instead of going to -2147483648?
> Why that #? Why not follow the ANSI? Any particular
> reson?
> Am I even right?
> What do I win? ;))
Yes, technically you are correct. However, there is a subtlety you
missed. And I am not sure exactly how you are printing out your values.
Try this script:
for($i=65537; $i; $i+=$i) {
echo $i."\t".gettype($i)."\n";
usleep(500);
}
I usually do stuff like this from the command-line.
-Rasmus
-- PHP 3 Mailing List http://www.php.net/ To unsubscribe send an empty message to php3-unsubscribe <email protected> To subscribe to the digest list: php3-digest-subscribe <email protected> For help: php3-help <email protected> Archive: http://www.php.net/mailsearch.php3 List administrator: zeev-list-admin <email protected>
- Next message: Karl Pielorz: "Re: [PHP3] Shell in background?"
- Previous message: Joey Smith: "Re: [PHP3] size of int = ((2^32) / 2) - 1?"
- In reply to: Joey Smith: "[PHP3] size of int = ((2^32) / 2) - 1?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
