Warning: Cannot modify header information - headers already sent by
Hi I also met this kind of error when some empty lines after the ending tag ?> (.. a new kind of "virtual kraken" in PHP ?? ;O) It's just an idea, no more @+
----- Original Message ----- From: "Jim Hu" jimhu@tamu.edu To: johnwfoster@verizon.net; "MediaWiki announcements and site admin list" mediawiki-l@lists.wikimedia.org Sent: Wednesday, February 27, 2008 6:07 AM Subject: Re: [Mediawiki-l] Header errors: I need help please.
Are you also getting other error messages sent to the browser? This happens when php reports errors to the browser before MW sets the document headers.
Jim
On Feb 26, 2008, at 5:55 PM, John W Foster wrote:
I installede Treeview4.php in the directory indicated and edited the LocalSetting.php to include the following:
############################################################### ##added by jwf 02/25/08 to install Treeiew4 include("$IP/extensions/Treeview4.php"); $wgTreeViewImages['plus'] = "Plus.gif"; $wgTreeViewImages['minus'] = "Minus.gif"; $wgTreeViewImages['opened'] = "Folder_opn_sml_yel.gif"; $wgTreeViewImages['closed'] = "Folder_sml_yel.gif"; $wgTreeViewImages['doc'] = "Doc-icon.gif"; $wgTreeViewImages['spacer'] = "Blank.gif";
Now I get this message:
Warning: Cannot modify header information - headers already sent by (output started at /var/lib/mediawiki/extensions/Treeview4.php:246) in /usr/share/mediawiki/includes/WebResponse.php on line 10
This seems to happen with a lot of extensions and only goes away when I remove the extension. The install is to the letter what is supposed to be done per the author. Can anyone tell me what the problem is? Oh yeh: the extension does not work either. Thanks!!\ frosty
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===================================== Jim Hu Associate Professor Dept. of Biochemistry and Biophysics 2128 TAMU Texas A&M Univ. College Station, TX 77843-2128 979-862-4054
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