WordPress Complete - Sixth Edition

Adding management page functions

The management page that we will create is going to add an option to wp-admin. This uses the existing space in the WordPress options table in the database, so no database modifications are required. The name of the new option has to be unique. I'm going to call the new option doctype_styles_new_supportedtypes.

There are six functions we need to add to the plugin so that an admin page can be added to wp-admin. Let's take a look at the first two:

1. The first function adds the new option doctype_styles_new_supportedtypes when the plugin is activated and sets the default value:

function set_supportedtypes_options() { 
    add_option("doctype_styles_new_supportedtypes",
       "pdf,doc,mp3,zip"); 
}

2. The second function removes ...