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Doc Bug #19692 register_shutdown_function documentation unclear about output
Submitted: 2002-10-01 10:04 UTC Modified: 2004-04-16 17:35 UTC
From: asd at suespammers dot org Assigned:
Status: Not a bug Package: Documentation problem
PHP Version: 4.2.3 OS: n/a
Private report: No CVE-ID: None
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From: asd at suespammers dot org
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 [2002-10-01 10:04 UTC] asd at suespammers dot org 
The register_shutdown_function documentation makes it sound like trying to output to the web browser during a shutdown function is a no-op.

However, it seems that it isn't always. Sometimes the text goes out fine; sometimes it goes out after, e.g., zlib compression, etc.

The documenation should probably be changed to state the behavior of output done by a shutdown function is undefined, and strongly warn against letting it happen.

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 [2003-06-20 14:29 UTC] dchatenay at hotmail dot com 
I don't know how active this bug is. It looks related to bug #10447: when you register a shutdown function, php used to release the connection and execute the shutdown function in the background (thus preventing you from sending any output obviously).
  Now it looks like the execution of the shutdown function will keep the connection alive, and you may output some information.
  This is annoying since it used to work fine until recently, and I can't find out what triggered this change in behaviour.
 [2003-06-20 14:30 UTC] dchatenay at hotmail dot com 
Sorry, I meant bug #20447.
 [2004-02-25 09:54 UTC] irchtml@php.net 
This a duplicate to #20447, closing this bug but leaving the other open.  Will try to figure out in which cases output may still be sent (perhaps today).
 [2004-04-16 17:35 UTC] sniper@php.net 
use 'bogus' status..
 
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