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: [EMAIL PROTECTED] Ph: +61-3-94645981 Fax: +61-3-94645982 Mob: +61-419107559 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]