Re: Re: One more 'Headers Already Sent' error. :-(

Oh I read all the error messages, I just don't understand them. ;-) I'm working through a book "Teach Yourself PHP4 in 24 Hours" so much of this is new to me. I think I understand now and it makes sense that by putting the include statement farther down in the page so that it wasn't being executed until after the header function in the fist portion of code. Thanks for your help. ....Brad "John Holmes" <holmes072000@charter.net> wrote in message news:000101c21ca8$5040e970$b402a8c0@mango... > If header.html has HTML in it, THEN THAT IS OUTPUT! You can't send a > header after output. Do you even read the error message? It says OUTPUT > STARTED AT /home/bmelendy/websites/www.e-learn.net/quizD/header.html:3. > THAT MEANS LINE 3 STARTED OUTPUT... > > ---John "been a long day, deal with it!" Holmes... > > > -----Original Message----- > > From: Brad Melendy [mailto:brad@techknow.biz] > > Sent: Tuesday, June 25, 2002 6:08 PM > > To: php-general@lists.php.net > > Subject: [PHP] Re: One more 'Headers Already Sent' error. :-( > > > > Well, I have traced this down to line 4 in the following code > > 'include("header.html");' which just includes my navigation bar. If I > > comment it out, everything works great, if I leave it in, I get the > error > > Headers Already Sent. The file it purely html. What could be the > > problem?? > > Thanks in advance! > > > > <?php > > error_reporting(2039); > > include("dblib.inc"); > > include("userlib.inc"); > > include("header.html"); > > $message=""; > > if ( isset( $actionflag ) && $actionflag == "login" ) > > { > > if ( empty( $form[login] ) || empty( $form[password] ) ) > > $message .= "You must fill in all fields<br>\n"; > > if ( ! ( $row_array = checkPass( $form[login], $form[password] ) ) ) > > $message .= "Incorrect password. Please try again<br>\n"; > > if ( $message == "" ) // we found no errors > > { > > LastLogin($row_array[login]); > > cleanSession( $row_array[id], $row_array[login], > $row_array[password] > > ); > > header( "Location: index.php?".SID ); > > } > > } > > ?> > > > > > > "Brad Melendy" <brad@techknow.biz> wrote in message > > news:20020625200359.74200.qmail@pb1.pair.com... > > > Hi All, > > > I know this has come up before and I've read some posts so far, but > this > > is > > > still eluding me. > > > > > > I have come to understand that typically, if you are getting an > error > > > message about your headers having already been sent to the browser, > you > > are > > > writing bad code. Now, I want to right good code so I really want > to > > figure > > > this out the right way and stay away from doing stuff like setting > > Output > > > Buffering to ON in the php.ini file, (which I can do in my case). > > > > > > So, basically, I get the error message: > > > > > > "Warning: Cannot add header information - headers already sent by > > (output > > > started at > /home/bmelendy/websites/www.e-learn.net/quizD/header.html:3) > > in > > > /home/bmelendy/websites/www.e-learn.net/quizD/login.php on line 17" > > > > > > Now, I can see right on line 17 that I'm outputting a header with > the > > > following line: > > > > > > header( "Location: index.php?".SID ); > > > > > > This is part of an if/then statement that is supposed to redirect > the > > user > > > to index.php upon login. The conflict occurs because I have an > include > > file > > > with a function checkUser() that also redirects the user to the > > login.php > > > page if they fail the the check with a line: > > > > > > header( "Location: /main/login.php" ); > > > > > > So, is there no way for me to redirect a user from both a function > under > > > certain circumstances and also from withing a page that calls that > > function? > > > I don't completely understand when exactly the headers are being > sent > > and > > > this does all work properly if I turn the Output Buffering to 'ON' > in > > the > > > php.ini file, but I'd like to try to make this work the 'right' way > > rather > > > than cut corners and just make the server work for my code, instead > of > > > making my code work for the server. ;-) > > > > > > Thanks very much for any input. > > > > > > ...Brad > > > > > > > > > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > >