Re: exit and ob_*
| From: | Robert Cummings | Date: | Fri, 12 Oct 2007 19:11:31 +0000 |
| Subject: | Re: exit and ob_* | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-263163@lists.php.net to get a copy of this message | ||
Have you checked your error log to see if there an error being generated
that you can't see?
Cheers,
Rob.
On Fri, 2007-10-12 at 14:03 -0500, Philip Thompson wrote:
> Hi. This is weird. Here's my structure. I have an index.php file that just
> includes the content depending on what page the user is on. So, because of
> potential redirection from those sub-pages, I call ob_start() before any
> output (in index.php). I'm doing some testing and I'm wanting to see what
> information's in a variable, etc. So, I display the variable contents and
> call 'exit' so that the page doesn't continue and get redirected elsewhere.
> However, when I call 'exit' on one of these sub-pages, I get no output from
> that sub-page.
>
> During testing, I took out the redirection and commented the exit line. The
> output displayed. Before commenting the exit function call, I called
> ob_clean to see if it had something to do with there being content in the
> buffer - the content of the sub-page showed WITH the exit. Why would no
> information show when calling exit(), even if ob_start had been called? I've
> never had to deal with this before.
>
> [examples]
> // This is content from a sub-page called from index.php
>
> [example code: does not work]
> echo 'hi';
> exit;
> // 'hi' does NOT display
> ...
>
> [example code: does work]
> ob_clean();
> echo 'hi';
> exit;
> // 'hi' DOES display
> ...
>
> [/examples]
>
> I suppose this isn't a big deal during production, but during testing it's
> really frustrating. Does anyone have any suggestions as to why 'exit' is
> functioning (no pun intended) this way? Note: I do want what's currently in
> the buffer to be sent to the browser, so I don't want to have to call
> ob_clean. Any thoughts?
>
> Another person (*francois at bonzon dot com) *mentions this on the PHP exit
> page <http://www.php.net/exit>, but I'm still not
> sure why it happens.
>
> Thanks in advance,
> ~Philip
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