| Re: buffering to allow headers in code? [message #170171 is a reply to message #170169] |
Thu, 14 October 2010 17:15   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 10/14/2010 12:32 PM, MikeB wrote:
> Denis McMahon wrote:
>> On 14/10/10 14:39, MikeB wrote:
>>
>>> What to do?
>>
>> Make any decisions about whether you need to send control headers before
>> you start trying to output any html.
>>
>> What data is not available when you assemble the navbar that you wish to
>> show in your navbar, and why is it not available?
>>
>> This sounds like you have a sequencing issue, and may need to switch
>> round the order in which you are trying to do things. It should be
>> possible to assemble all the information needed to generate the webpage
>> before outputting any html.
>>
>
> This is an introductory PHP course.
>
> We are creating a "dynamic" web page without AJAX (JavaScript) since
> that will be in the intermediate course.
>
> The site is a single file - index.php. Structured with a table (to avoid
> learning CSS at the same time as PHP and SQL) for the header, footer and
> three panes in between. The left-most pane is hte navigation, the center
> is the Main and the right is the "news".
>
> Each table cell has an include() for another file that makes up the
> content of that cell. eg. include("nav.inc.php") for the navigation bar.
>
> The main cell then has some conditional php code to decide on what
> include to run, eg, one for "show summary of all recipes", or "show
> details for a recipe", or "enter a new recipe/comment", etc. Also, of
> course for registering and logging in.
>
> Since I'm trying to display the name of the logged in user on the left
> pane, that code is included before I run the code in the "main" cell,
> hence my timing problem
>
> THe class example sidesteps it by simply not putting the data in there.
>
> Maybe I should just go back to the class example. Would be a lot less
> headache.
It doesn't make a lot of difference when you *process the data* - it's
when you *display the results* that counts. It would be quite easy to
do the processing before anything is sent to the browser, then display
the results in the appropriate place.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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