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!This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.


This plugin shows the xhtml and css validity of an entry, in the entry.

  1. ADD FILES: Add the contents(folder) in the wp-w3-validation.zip to your wordpress’s plugin directory (http://www.your-site.com/wp-content/plugins/).

  2. ACTIVATE PLUGIN: Activate the plugin through the 'Plugins' menu in WordPress

  3. ADD VISUAL OUTPUT: Place <?php if(function_exists('wp_w3_validation')) {wp_w3_validation();} ?> in your templates wherever you wish to see the result of the pages validity preferably somewhere near edit_post_link(’Edit this entry.’ ” ‘ ‘); (In page.php and single.php in the default wordpress theme.)


  1. REMOVE VISUAL OUPUT Go though your theme and remove <?php if(function_exists('wp_w3_validation')) {wp_w3_validation();} ?> from wherever you added it to your templates.

  2. REMOVE FILES Remove the folder wp-w3-validation from your wordpress’s plugin directory (http://www.your-site.com/wp-content/plugins/). You can do this manually or though the deactivation -> remove plugin option in wordpress's admin section.

  3. REMOVE DATABASE ENTRYS Look though your wordpress database's wp_options table and remove the entry named wp_w3_validation_admin_options.

Requires: 2.7 or higher
Compatible up to: 2.7.1
Last Updated: 2009-6-8
Active Installs: Less than 10


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