Doc #65115 [Asn->Ana]: flush() disables compression from ob_gzhandler
Edit report at https://bugs.php.net/bug.php?id=65115&edit=1
ID: 65115
Updated by: kalle@php.net
Reported by: preinheimer@php.net
Summary: flush() disables compression from ob_gzhandler
-Status: Assigned
+Status: Analyzed
Type: Documentation Problem
Package: Output Control
Operating System: linux
PHP Version: 5.4.16
-Assigned To: preinheimer
+Assigned To:
Block user comment: N
Private report: N
Previous Comments:
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[2016-09-28 14:39:18] cmb@php.net
I've just had a look at your submitted patch (edit.php.net), Paul.
It seems that it's not complete, because the man page would still
say:
| also doesn't affect PHP's userspace output buffering mechanism.
| This means you will have to call both ob_flush() and flush() to
| flush the ob output buffers if you are using those.
According to what has been said in this ticket this info is wrong.
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[2013-06-25 15:40:59] mike@php.net
flush() causes Apache2 to send it's headers, so the gzhandler cannot send any headers and does
nothing any more
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[2013-06-25 14:05:54] mike@php.net
Ok, my explanation pretty much applies to the Apache SAPI.
Due to premature flush()'ing the ob_gzhandler cannot set its headers anymore when it's
actually run.
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[2013-06-25 13:56:15] preinheimer@php.net
I'm using the apache 2.0 SAPI.
The build of PHP I used to confirm the bug doesn't include XHProf (I wanted a clean build to
report on).
I built with:
Command './configure' '--with-apxs2=/usr/local/apache2/bin/apxs'
'--with-mysql=mysqlnd' '--with-gd' '--enable-soap'
'--with-libxml-dir=/usr/lib/' '--with-mysql-sock=/tmp' '--with-tidy'
'--with-jpeg-dir=/usr/lib/' '--with-xsl' '--with-curl'
'--with-zlib' '--enable-gd-native-ttf' '--with-openssl'
'--with-mcrypt' '--with-pdo-mysql=mysqlnd' '--with-mysqli=mysqlnd'
'--with-bz2' '--enable-bcmath'
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[2013-06-25 13:49:38] mike@php.net
Looks like my explanation off the top of my head was not correct.
Which SAPI are you using? Does XHPROF override SAPI methods?
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