[PHP-WIN] Re: How to preserve value , this question so difficult

["J.Veenhuijsen" <info@solid-digital.nl>]

It is not a browser warning but a warning from the php interpretor!
The out put you see is generated by php.exe

Jochem

Thomas Edward Lawrence wrote:
> Excellent , thank so much , and I also want to ask why my browser warns this
> when I run page1.php at first time , whether I must make something in
> php.ini , I use IE6 , win2k , thank for your anwsering .
>
>
> Warning: Cannot send session cookie - headers already sent by (output
> started at C:\PHP\baitap\session.php:11) in C:\PHP\baitap\session.php on
> line 12
>
> Warning: Cannot send session cache limiter - headers already sent (output
> started at C:\PHP\baitap\session.php:11) in C:\PHP\baitap\session.php on
> line 12
>
> Notice: Undefined index: value in C:\PHP\baitap\session.php on line 13
>
> 1
>
> Next page
>
>
>
>
>
>
>
>
>
>
>
>
> "J.Veenhuijsen" <info@solid-digital.nl> wrote in message
> 3F3A55F2.2060708@solid-digital.nl">news:3F3A55F2.2060708@solid-digital.nl...
>
> > Try this for page 2:
> >
> > <?php
> > session_start() ;
> > ?>
> > <form method="POST" action="page1.php">
> > <?php
> > $value++ ;
> > echo $value ;
> > ?>
> > <br>
> > <input type="submit" value="Submit" name="B1">
> > </form>
> >
> > In your version session_start() should be sent before any other output
> > is sent.
> >
> > Jochem
> >
> >
> >
> > Thomas Edward Lawrence wrote:
> >
> > > this is page1.php
> > > <?
> > > session_start() ;
> > > echo $value ;
> > > if (!session_is_registered("value") )
> > > {
> > > session_register("value") ;
> > > $value = 1 ;
> > > }
> > > echo $value ;
> > > ?>
> > > <br>
> > > <a href="page2.php">Next page</a>
> > >
> > > this is page2.php
> > >
> > > <form method="POST" action="page1.php">
> > > <?
> > > session_start() ;
> > > $value++ ;
> > > echo $value ;
> > > ?>
> > > <br>
> > > <input type="submit" value="Submit" name="B1">
> > > </form>
> > >
> > > when I come back to page1.php from page2.php , this is result :
> > >
> > > page1.php ( run at first time)
> > >
> > > Warning: Cannot send session cookie - headers already sent by (output
> started at C:\PHP\page1.php:9) in C:\PHP\\page1.php on line 10
>
> > > Warning: Cannot send session cache limiter - headers already sent
> (output started at C:\PHP\page1.php:9) in C:\PHP\page1.php on line 10
>
> > > Notice: Undefined variable: value in C:\PHP\page1.php on line 11
> > >
> > > 1 (value of $value)
> > >
> > > Next page
> > >
> > >
> > > page2.php
> > >
> > > Warning: Cannot send session cache limiter - headers already sent
> (output started at C:\PHP\page2.php :10) in C:\PHP\page2.php on line 11
>
> > > 2 (value of $value)
> > >
> > >
> > >
> > >
> > > page1.php ( when come back from page2.php)
> > >
> > > Warning: Cannot send session cookie - headers already sent by (output
> started at C:\PHP\page1.php :9) in C:\PHP\page1.php on line 10
>
> > > Warning: Cannot send session cache limiter - headers already sent
> (output started at C:\PHP\page1.php:9) in C:\PHP\page1.php on line 10
>
> > > Notice: Undefined variable: value in C:\PHP\page1.php on line 11
> (browser not understanding $value)
>
> > > 1 (value of $value still 1)
> > >
> > >
> > > Next page
> > >
> > >
> > >
> > > Nothing changes , value of $value still is 1 , this question is so
> difficult , I also want to ask why my browser warns , how I must config in
> php.ini , I use IE6 , win2k , thank for reading .


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