Mark, Why not call the makepic.php image, passing in an URL parameter that is always different. This makes the browser think you are always calling a different image, and won't cache it.
<IMG SRC="makepic.php?opt1=abc&opt2=def&nocache=<?php echo time() ?>"> Joseph "Mark Wilson" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > 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 [EMAIL PROTECTED] > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
