Bug #60761 [Asn->Csd]: zlib.output_compression fails on refresh

From: Date: Tue, 15 May 2012 07:47:47 +0000
Subject: Bug #60761 [Asn->Csd]: zlib.output_compression fails on refresh
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=60761&edit=1

 ID:                 60761
 Updated by:         mike@php.net
 Reported by:        valentiny510 at yahoo dot es
 Summary:            zlib.output_compression fails on refresh
-Status:             Assigned
+Status:             Closed
 Type:               Bug
 Package:            *Compression related
 Operating System:   xp
 PHP Version:        5.4.0RC5
-Assigned To:        mattficken
+Assigned To:        mike
 Block user comment: N
 Private report:     N

 New Comment:

Should be fixed in 5.4 and master.


Previous Comments:
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[2012-05-15 07:45:37] mike@php.net

Automatic comment on behalf of mike
Revision: http://git.php.net/?p=php-src.git;a=commit;h=0ad53bfd7da12a92a46c08e3fff579a15026b88b
Log: fix bug #60761 zlib.output_compression fails on refresh

------------------------------------------------------------------------
[2012-05-12 13:42:53] pierre at archlinux dot de

I can still reproduce this bug on Arch Linux using PHP 5.4.3 (php-fpm). Which additional information
do you guys need? It seems pretty obvious to me.

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[2012-04-15 02:27:15] adunar at gmail dot com

The bug also happens with the cli-server SAPI (both Windows and Ubuntu).

Here are a few (bash) commands that will reproduce this bug (assumes zlib.output_compression = On in
your php.ini)

echo "<?php echo '-------------------------------';" > bug.php

php -S 127.0.0.1:8888 > /dev/null 2>&1 &

curl --header "Accept-Encoding: gzip" http://localhost:8888/bug.php 2> /dev/null | wc -m

curl --header "Accept-Encoding: gzip" http://localhost:8888/bug.php 2> /dev/null | wc -m

# fg, then ctrl+c to kill php -S

If output_compression is working correctly, the two curl commands should print the same number
(approx. 16). 

However with PHP 5.4, the second (and subsequent) curl commands print the size of the original
uncompressed output (31).

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[2012-04-14 23:56:24] adunar at gmail dot com

I am experiencing the same problem, using PHP 5.4.0 with the PHP-FPM 
SAPI on Ubuntu.

zlib appears to only compress the output for the first request from 
a particular worker process.

With the default settings it takes a few refreshes to run into the bug. 
To reproduce immediately, set pm.start_servers = 1 in php-fpm.conf.

Afterwards, running "/etc/init.d/php5-fpm reload" allows another 
request to be compressed before it stops working again.

------------------------------------------------------------------------
[2012-04-09 12:50:09] pajoye@php.net

Matt, please take a look at this bug.

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