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Hey there I am pretty confused on how to store network wide options within a WordPress multisite installation.

The usual way to store any settings in WordPress is:

add_option();
update_option();
delete_option();

However the wp_options table is created for each site within a multisite installation.

The following tables are subsite specific:

myprefix_siteid_commentmeta          
myprefix_siteid_comments             
myprefix_siteid_links                
myprefix_siteid_options              
myprefix_siteid_postmeta             
myprefix_siteid_posts                
myprefix_siteid_term_relationships   
myprefix_siteid_term_taxonomy        
myprefix_siteid_termmeta             
myprefix_siteid_terms

The following tables are network wide:

myprefix_blogs // multisite specific
myprefix_blog_versions // multisite specific
myprefix_registration_log // multisite specific
myprefix_signups // multisite specific
myprefix_site // multisite specific
myprefix_sitemeta // multisite specific
myprefix_users
myprefix_usermeta

Do you see the problem? There is no adequate table for storing options for the whole network, which sucks in my opinion.

However I assume that you store network wide options in the base wp_options table (myprefix_options). However I cannot use add_option() and update_option() and so on without using switch_to_blog(1) before.

Is there a better possibility? If not, how can I get the base wp_options table prefix?

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    will let someone else answer, but a nitpick, it is a "network" wide option you want to understand as a multisite may have several networks, global option will be something totally different.
    – Mark Kaplun
    Aug 7, 2018 at 13:09
  • @MarkKaplun Sure what I mean in my question was network wide options. I know networks of networks are upcoming (and partly implemented), but thats another dimension. Though it would be interesting how to store global options (for many networks), too.
    – Blackbam
    Aug 7, 2018 at 13:46
  • Related: wordpress.stackexchange.com/questions/16474/…
    – Jesse Nickles
    Dec 16, 2022 at 20:21

1 Answer 1

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There are functions for saving and retrieving network-wide options:

add_network_option();

update_network_option();

get_network_option();

The values of these options are stored in wp_sitemeta.

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  • Ah this is the correct location. The site id is zero and therefore the option is for the whole network, thanks.
    – Blackbam
    Aug 7, 2018 at 13:41
  • For site (=network of blogs) options get_site_option() is used.
    – Blackbam
    Aug 7, 2018 at 14:30
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    get_site_option() is just a wrapper for get_network_option(). *_network_option is the terminology since 4.4.
    – Jacob Peattie
    Aug 7, 2018 at 14:33

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