Re: About "no-cache"

Hi, Well, I didn't write the counting number into the cookie. For example: I use "if(isset$test)" so when I reload the page the variable $test is still set so that it will count again. I wonder if there is any ways to prevent this situation? Thanks DP "Matthias Maar" <maar@informatik.uni-wuerzburg.de> ¼¶¼g©ó¶l¥ó news:20010824082753.29953.qmail@pb1.pair.com... > Hi. > > Do you really think preventing the browser from caching the page is what you > need here? I think no. > Whenever the page is shown/reloaded you need to check if the user already > has been "counted". This may be done by setting some information in a cookie > (you mentioned one). The code for your counter just has to get that > information and increase when not set. > Or did I get something wrong? > > MfG > Maar > > ---------------------------------------- > Matthias Maar > Lehrstuhl für Informatik I > Universität Würzburg > Am Hubland > D-97074 Würzburg > Germany > Tel.: ++49 (0) 931/888-4941 > Fax: ++49 (0) 931/888-4600 > http://www1.informatik.uni-wuerzburg.de > > "Science" <mscience88@us.sina.com> schrieb im Newsbeitrag > news:20010821193135.58229.qmail@pb1.pair.com... > > Hi all, > > I am using cookie to write a counting page but when the page is > refreshed, > > it will increase by 1 automatically. > > According to this problem, I used following lines but it doesn't work > > -------------------------------------------------------------------------- > -- > > -- > > header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); > > header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " > > GMT"); > > header ("Cache-Control: no-cache, must-revalidate"); > > header ("Pragma: no-cache"); > > -------------------------------------------------------------------------- > -- > > --- > > even I used html script > > <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> > > <META HTTP-EQUIV="Expires" CONTENT="-1"> > > > > Well, Is there anyone who knows how to prevent the page to be cached? > > > > Thanks a lot > > > > > >