Edit report at https://bugs.php.net/bug.php?id=60761&edit=1
ID: 60761
Comment by: pierre at archlinux dot de
Reported by: valentiny510 at yahoo dot es
Summary: zlib.output_compression fails on refresh
Status: Closed
Type: Bug
Package: *Compression related
Operating System: xp
PHP Version: 5.4.0RC5
Assigned To: mike
Block user comment: N
Private report: N
New Comment:
I just tested this with 5.4.4RC1. While output compression is now on for more than just one request,
there is another drawback: I have several pools defined via fpm. One of them has
"php_flag[zlib.output_compression] = on".
Once the vhost using this pool is accessed output compression is turned on for all fpm pool and
cannot be turned off. Even worse: ini_get('zlib.output_compression') still reports false.
If you then use the ob_gzhandler you get "output handler 'ob_gzhandler' conflicts
with 'zlib output compression'"
Previous Comments:
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[2012-05-15 07:47:47] mike@php.net
Should be fixed in 5.4 and master.
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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
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[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.
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