Strips out all characters that are not allowable in an email.

Updates the htaccess file with the current rules if it is writable.

Set up global post data.

Sets up the WordPress Loop.

Displays the Post Global Unique Identifier (guid).

Iterate the post index in the loop.

Update the categories cache.

Call major cache updating functions for list of Post objects.

Updates a post meta field based on the given post ID.

Updates the “recently-edited” file for the plugin or theme file editor.