On Nov 28, 2007 12:38 AM, Ezra Nugroho <[EMAIL PROTECTED]> wrote:
>
> On Tue, 2007-11-27 at 14:50 +1000, Rasmus Lerdorf wrote:
> > Ezra Nugroho wrote:
> > > Can I ask for the following support, at least to begin conversation
> > > about it if it hasn't been done before.
> > >
> > > Currently, the header() function still carries the following warning in
> > > its online documentation:
> > >
> > > "Remember that header() must be called before any actual output is sent,
> > > either by normal HTML tags, blank lines in a file, or from PHP. It is a
> > > very common error to read code with include(), or require(), functions,
> > > or another file access function, and have spaces or empty lines that are
> > > output before header() is called. The same problem exists when using a
> > > single PHP/HTML file."
> > >
> > > This is quite annoying since this makes header() or setcookie() calls to
> > > be unreliable.
> > >
> > > I am aware that it can be done more reliably by turning the output
> > > buffering on. This is less of an issue if you are writing your own
> > > webapp. However, this is much more difficult if a person writes a
> > > library for other people's consumptions. The library cannot enforce
> > > output buffering in the webapp.
> > >
> > > Can we please give it a thought in PHP 6? Maybe by turning output
> > > buffering on by default, or even by enforcing output buffering.
> > >
> > > In Java, you can get the request object, and the response object of a
> > > web request. I find this very useful and reliable.
> > >
> > > Any thoughts or comments about this?
> >
> > There is nothing unreliable about is as far as I am concerned.  You have
> > full control over output buffering from your script.  Forcing people to
> >  buffer output by default will mean higher memory usage and higher
> > latency for existing scripts with no gain given their code is working today.
>
>
> In my mind, it is still unreliable...
> When I write my library, how can I enforce people who adopt it to enable
> ob?
>
> Furthermore, I think it's quite annoying that some functions may not
> work just because of an inclusion of a blank space somewhere in a file
> that you don't maintain.
>
> As php applications get bigger, and developers have only a small scope
> of the big picture, the reliability of the functions becomes bigger and
> bigger deal.


http://docs.php.net/manual/en/outcontrol.configuration.php

-Hannes

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