Adding “meta” info to WP site PHP function?

  • Store site specific data in regular options. See add_option(), get_option() and so on.

  • Store options for the complete network in a site option. See add_site_option() and related functions.

You can add new fields for these options in a separate admin page or use an existing page for that. For the latter see my plugin Public Contact Data which does exactly what are asking for. It adds dynamic shortcodes too. 🙂

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