Extension:Add HTML Meta and Title

This extension allows for easier SEO (search engine optimization) with MediaWiki.

Usage
When you enter the following in a wiki page:  ...or the shorter... 

...these words are added to the HTML title and meta headers. This makes SEO (search engine optimization) with MediaWiki easier.

For example, the above would become: (This is a new meta tag - existing metas are left untouched.)

Code structure
This extension uses two MediaWiki hooks: OutputPageBeforeHTML (for the meta tag) and BeforePageDisplay (for the title tag).

This extension is based in part on the extension MetaKeywordsTag.

License
Add HTML Meta and Title is released under the MIT License.

Installation and Download

 * Download source from http://velko.org/Add_HTML_Meta_and_Title.phps -  download the attached .phps file and rename it to .php, and create a file extensions/Add_HTML_Meta_and_Title.php.
 * Enable the extension by adding this line to your LocalSettings.php:

v0.5a

 * modified to work with MW versions 1.1.2 and up (Revision by Mic)

v0.4

 * have put  in the parseSEO function because I got some nasty PHP notice for an unitialised variable...

v0.2

 * added htmlspecialchars as a filter to the text that is displayed in the title and meta - anything else needed  to prevent malicious people? I think no. (If you are an English speaker you may want to use the htmlentities PHP function, which is more restrictive)

v0.1

 * Initital version - everything works.