nope. just have it expire after 20 seconds or something. you're keeping a log of the captacha phrases, too, so just delete them together. --Philip Neustrom
On 12/16/05, Peter Jay Salzman <[EMAIL PROTECTED]> wrote: > hi all, > > i'm writing a blogging system called peetblog. you can see a demo at > http://www.dirac.org/blog. i haven't really linked to it much because it's > still under active development. > > one of the features is a captcha system (an image file of letters/numbers > that someone needs to type in to comment on a post). the code looks > something like this: > > > > /// Captcha > $retval = createImage(); > $filename = $retval['filename']; > $passkey = $retval['passkey']; > $smarty->assign('filename', $filename); > $smarty->assign('passkey', $passkey); > > $smarty->assign('id', $the_id); > $smarty->assign('login', $_SESSION['user']->login); > $smarty->assign('email', $_SESSION['user']->email); > $smarty->assign('www', $_SESSION['user']->www); > $smarty->display('permalink_C.tpl'); > > > > // Footer > // > $smarty->assign('me', $selfUrl); > $smarty->assign('rss', "$pb_url/$pb_rss"); > $smarty->display('footer.tpl'); > unlink($filename); > exit(0); > > > > footer.tpl contains the ending "</body></html>", so the page content ends > right there. The <img> tag is contained in the permalink_C.tpl template. > > The problem is that when: > > unlink($filename); > > is used to delete the temporary image file, the image doesn't appear on the > webpage. however, if i don't use "unlink", then the image files tend to > collect until i hand delete them. > > > i suppose at some point, the image needs to be sent from server to client. > when that happens, it would be ok to delete the image file. i was *hoping* > that this would happen immediately after </html> is sent, but it appears > that i'm wrong. > > is there some kind of technique I can use to make sure the image file gets > deleted after it's shipped off to the client? > > thanks, > pete > _______________________________________________ > vox-tech mailing list > [email protected] > http://lists.lugod.org/mailman/listinfo/vox-tech > _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
