Re: [PHP] Filtering all output to STDERR

2010-03-23 Thread Marten Lehmann

Have you tried with
http://dk2.php.net/manual/en/function.error-reporting.php or just the
@ operator?


Yes. But this does not work, because error levels and the @ operator 
only relate to errors thrown by the PHP runtime and have nothing to do 
with STDERR.


But I need a way to close the STDERR file handle at the beginning of a 
script or at least catch and remove all output sent to STDERR.


Regards
Marten

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Re: [PHP] Filtering all output to STDERR

2010-03-23 Thread Peter Lind
Ahh, I see why my suggestions had no effect - I assumed you were
dealing with normal php errors, not something done customly by the
code.

I'm afraid the only option I see is that of debugging the problem
script to find out where it opens STDERR - if you're certain that the
script specifically outputs messages to STDERR, then it's opening that
stream somewhere before the output.

Regards
Peter

On 23 March 2010 11:28, Marten Lehmann lehm...@cnm.de wrote:
 Have you tried with
 http://dk2.php.net/manual/en/function.error-reporting.php or just the
 @ operator?

 Yes. But this does not work, because error levels and the @ operator only
 relate to errors thrown by the PHP runtime and have nothing to do with
 STDERR.

 But I need a way to close the STDERR file handle at the beginning of a
 script or at least catch and remove all output sent to STDERR.

 Regards
 Marten

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[PHP] Filtering all output to STDERR

2010-03-22 Thread Marten Lehmann

Hello,

we have a strange problem here:

- Our ISP is merging STDERR and STDOUT to STDOUT
- We are calling a non-builtin function within PHP 5.2 which includes a 
lot of code and calls a lot of other functions
- When calling this function, we receive the output Cannot open  on 
STDERR. But since STDERR and STDOUT are merged, this Cannot open  
breaks the required HTTP-header which needs to be sent first.


We really tried a lot to find out where this message comes from, we even 
used strace and ran PHP on the command line. But we cannot figure out 
the origin, so all we want to do is to get rid of the output sent to STDERR.


We tried to close STDERR, but it didn't work out.

We thought of using ob_start() and ob_end_clean(), but we cannot get it 
working with STDERR. Any ideas?


Kind regards
Marten

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Re: [PHP] Filtering all output to STDERR

2010-03-22 Thread Peter Lind
You could consider suppressing errors for the duration of the
problematic call - if indeed you're looking at a warning that doesn't
grind everything to a halt.

On 22 March 2010 18:01, Marten Lehmann lehm...@cnm.de wrote:
 Hello,

 we have a strange problem here:

 - Our ISP is merging STDERR and STDOUT to STDOUT
 - We are calling a non-builtin function within PHP 5.2 which includes a lot
 of code and calls a lot of other functions
 - When calling this function, we receive the output Cannot open  on
 STDERR. But since STDERR and STDOUT are merged, this Cannot open  breaks
 the required HTTP-header which needs to be sent first.

 We really tried a lot to find out where this message comes from, we even
 used strace and ran PHP on the command line. But we cannot figure out the
 origin, so all we want to do is to get rid of the output sent to STDERR.

 We tried to close STDERR, but it didn't work out.

 We thought of using ob_start() and ob_end_clean(), but we cannot get it
 working with STDERR. Any ideas?

 Kind regards
 Marten

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Re: [PHP] Filtering all output to STDERR

2010-03-22 Thread Marten Lehmann

Hello,


You could consider suppressing errors for the duration of the
problematic call


yes, but how?

Regards
Marten

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Re: [PHP] Filtering all output to STDERR

2010-03-22 Thread Peter Lind
Have you tried with
http://dk2.php.net/manual/en/function.error-reporting.php or just the
@ operator?

On 22 March 2010 23:56, Marten Lehmann lehm...@cnm.de wrote:
 Hello,

 You could consider suppressing errors for the duration of the
 problematic call

 yes, but how?

 Regards
 Marten

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