sjdalf Blog

Nowadays, the www prefix is considered to be a redundant relic. In order to support the no-www initiative, Wordpress MU is by default set up so that the www prefix is stripped from URLs. For example, if one typed in http://www.example.com to access a Wordpress MU installation, they would end up at http://example.com.

Now, for some reason it might be the case that you do want the www to remain (I don’t mind having the www stripped, but from my experiences with installing Wordpress MU for clients, it is often the case that they want the www prefix to remain). However, this is apparently not a straightforward thing to achieve in Wordpress MU.

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Note: a link on the issue for WP >= 2.8.1 can be found at http://mu.wordpress.org/forums/topic/13318?replies=6

The theme editor in Wordpress is a nice little feature which allows administrators to, via the brower, edit the theme files available to the Wordpress installation.

For security reasons however, this feature is not part of Wordpress, the risk being that if the editor is available, then someone with access to it might maliciously change code.

If such a security risk is not a problem though and you want to enable the theme editor, you must do two things:

1. the file theme-editor.php is not included with Wordpres MU. So get a copy of it from a standard Wordpress source (it is under ‘/wp-admin/’) and place it under the ‘/wp-admin/’ folder of your Wordpress MU installation.
2. Edit line # 401 of the file ‘/wp-admin/includes/mu.php’ by commenting out or deleting the line:

unset( $submenu['themes.php'][10] );

For more on the perils of the theme editor in Wordpress MU and a neat plugin which allows users to make a copy of a system theme just for their blog, check out http://wpmudev.org/project/Userthemes-1.1

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