RE: [PHP] Can a script run twice?
| From: | Jim Moseby | Date: | Wed, 24 May 2006 13:58:32 +0000 |
| Subject: | RE: [PHP] Can a script run twice? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-236820@lists.php.net to get a copy of this message | ||
>
> Apparently the problem isn't solvable by using tokens, sessions,
> locking, and such. So why not just check the dB to see if the current
> record has already been entered? If so, don't do it again.
>
> Isn't this a solution? Or is there something here that I'm
> not understanding?
...or maybe do a 'REPLACE...' rather than an 'INSERT...'? That way the
record is not entered into the database twice if it already exists. Might
be a more economical way than doing a "lookup/compare/write if" sequence.
JM