Re: how to make the php page always newest when clicking 'back' botton in browser?

thanks a lot "Brad Hubbard" <brad@congosystems.com> wrote in message news:01092520521106.01344@badnote... > On Tue, 25 Sep 2001 13:09, mydata wrote: > > Hi,I meet a problem when I am developing. > > > > I am developing php base on other programer's php code . > > I must make the php page always newest when clicking 'back' botton in > > browser(because that programer using javascript: history.go(-1)), I try > > sent header() to disable cach,but seems to not works: > > my development show below: > > I have two page: page1 and page2 , on page1 I have a form which used to > > send parameter to page2, when I submit this form ,the URL change to page2 > > ,page2 use php code to deal with parameter and date submitted by form on > > page1 , then page use javascript: history.go(-1) to return page1 . and > > page1 must show newest information . > > > > I think it maybe not php questtion ,maybe I shoud insert some javascript > > code into page1 somewhere,but I don't know what to . Could somebody help me > > , thank you very much. > > > > You're welcome. > > // Function to disable caching of individual page > function Congo_nocache() > { > $dateHeader=time(); > $expHeader=$dateHeader-60; // set expire date for 60 seconds ago > $modHeader=$dateHeader-3600; // set modified date for an hour ago > header("Date: " . gmdate("D, d M Y H:i:s",$dateHeader)." GMT"); > // Current > Date > header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 > header("Expires: " . gmdate("D, d M Y H:i:s",$expHeader)." GMT"); > // Date in > the past > header("Last-Modified: " . gmdate("D, d M Y H:i:s",$modHeader)." > GMT"); // > always modified > header("Pragma: no-cache"); // HTTP/1.0 > } > > Sorry about the formatting (or lack of it :-) > > Happy trails, > -- > Brad Hubbard > Congo Systems > 12 Northgate Drive, > Thomastown, Victoria, Australia 3074 > Email: brad@congosystems.com > Ph: +61-3-94645981 > Fax: +61-3-94645982 > Mob: +61-419107559