On 9 Feb 2013, at 21:00, Jonathan Eagle <jeo...@attglobal.net> wrote:
> Stuart, > > Thanks for getting back to me.... you were right - I had misread the > headers_sent() Return Value statement. When I went back and tested > it turns out that the 'initialize' routine is somehow prematurely > sending output out. So, now I have to figure out which of the ten > called routines and classes/objects in the initialize script are the > culprit. > > I greatly appreciate the assistance, The error message that should be being displayed tells you where output was started. Check your error_reporting and display_errors settings to make sure errors are being displayed and you should be able to save a lot of time. -Stuart -- Stuart Dallas 3ft9 Ltd http://3ft9.com/ > On 2/9/2013 2:34 PM, Stuart Dallas wrote: >> On 9 Feb 2013, at 19:00, Jonathan Eagle <jeo...@attglobal.net> wrote: >> >>> I'm having a problem with a very straightforward routine; one that works >>> in one PHP installation but not on the other. The only difference that I >>> can see between the working version and the non-working version is that >>> the one that doesn't work is running on the later version of PHP. The >>> following basic log-in routine works fine on my personal development >>> server, running PHP 5.3.3, but doesn't work on the production server, >>> hosted by 1&1.com that is running PHP 5.4.11. >>> >>> <?php >>> require_once('../includes/initialize.php'); //<== $session object >>> init'd and set to false >>> >>> if(!$session->is_logged_in()) >>> { >>> header("Location: login.php"); >>> exit; >>> } >>> ?> >>> >>> login.php is in the same directory as the file that has this code at the >>> very top of the file. >>> >>> Everything works as expected right up to the 'exit;' line. >>> * $session->is_logged_in() is false >>> * when tested immediately after the 'header("Loc...)' statement, >>> 'headers_sent()' reports true. >>> * no error messages result (like: 'header already sent', etc.) >>> >>> Instead of the program flow moving to 'login.php', the URL indicates >>> that the destination is the original file, except that the file is empty >>> - zero bytes. I've tried accessing the routine via three different >>> computers, all running different MS operating systems from XP to Win7 >>> and they all behave identically. The behavior is also consistent >>> between browsers (i.e., FireFox, Chrome, and Windows Explorer). >>> >>> I also did a $_SERVER variable dump immediately before and after the >>> 'header(...' line, expecting to see a difference in at least one of the >>> 'REDIRECT_*' elements, but both outputs where identical with the >>> exception that the $_SERVER ouput after the header statement was >>> executed was missing the following line: >>> >>> ["HTTP_CACHE_CONTROL"]=> "max-age=0" >>> >>> It doesn't look relevant to me, but I include it to be thorough. >>> >>> I looked through the PHP changelog pages, but I don't see mention of the >>> problem (of course, that might just be due to my ignorance). The ISP >>> for the production version of PHP indicated that I should come here for >>> help, so here I am. >>> >>> Can anyone shed some light as to what is (or might be) going on? >>> >>> Any help or guidance that can be offered will be greatly appreciated. >> >> >> Check the output buffering settings. You say no errors are displayed, but >> are you sure that errors are set to be displayed? >> >> You mention the headers_sent() result immediately after the header() >> function call is true. If the header() function call had worked it would not >> be true, it would be false. You have output being sent to the client before >> that header() function call. >> >> -Stuart >> > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
