How can I have default values for options for a WordPress Plugin?

3 comments

1. Just add the default values of your option(s) as the second parameter of the get_option() function call(s). Unless the option does not exists, this value will be returned then.

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2. http://codex.wordpress.org/Function_Reference/add_option is a safest way to register option and also set a default value. It will only work if that option does not already exists in the options.

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3. If you store plugin settings in an array like I do, passing defaults to get_option won’t be enough if you change your settings in the future or add new keys to the array because the database value already exists and you defaults won’t be loaded. Instead you could use a mix of get_option and wp_parse_args

   For example check this bit of code:

       $defaults = array(
           'wsi_license_key'   => '',
       );
       $settings = wp_parse_args( get_option( 'wsi_settings', $defaults), $defaults );
   

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