Re: Force refresh of graphic - how?

You can use the meta tags to do a refresh of the browser page... example: <meta http-equiv="Refresh" content="10; url=New-page.html"> after content you add the seconds of delay before refresh... More info on the meta tag: http://www.xs4all.nl/~dimaroan/htl/index.html -- Ray On Wed, 2003-03-12 at 09:49, Mark Wilson wrote: > I have a PHP page which in turn calls an image-creating PHP program, > like so: > ...(calling page: mypage.php).. > <body> > <IMG SRC="makepic.php?opt1=abc&opt2=def"> > .... > </body> > </html> > > > makepic.php does database lookups using the values of opt1 and opt2, > then creates a graphic (PNG) using that data and returns the graphic. > So far, so good... but the graphic is being cached, so the data is not > always up-to-date, unless I do a shift-reload of the calling page. > I tried adding a "pragma nocache" line to the HEAD of mypage.php, > but that had no effect. I don't want to tell my users to always do a > shift-reload - how can I force either mypage.php to not cache > the graphic, or get makepic.php's output to not be cached???? > Thanks... replies to wilson@cpuworks.com > >