ISPConfig3 and zlib output compression

[Keeper]

Hello,

If both "zlib.output_compression = On" and "display_errors = On" is set, ISPConfig3 has following errors all over and doesn't work.

Warning: ob_start() [ref.outcontrol]: output handler 'ob_gzhandler' conflicts with 'zlib output compression' in /usr/local/ispconfig/interface/lib/app.inc.php on line 35

I noticed this as I have errors enabled on my virtual test server.

[till]

ISPConfig itself uses gzip compression, so what you did is to enable gzip compression a second time in php.ini which causes a conflict with ispconfigs setting. You can disable gzip compression in ispconfig by commenting out the line:

ob_start('ob_gzhandler');

in /usr/local/ispconfig/interface/lib/app.inc.php

[Keeper]

I'd think the ISPConfig code should take into account whether compression is enabled in php.ini or not.