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I am using three site multi-site installation.

When I use $wpdb->base_prefix some time it gives network site prefix instead of giving base site prefix. Any one face this problem? Can you please give any suggestion?

  • 1
    Are you looking for $wpdb->prefix instead? If you can post some of the relevant code, we may have a better chance of helping you. – Pat J Oct 20 '16 at 14:03
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$wpdb->base_prefix gets the original prefix (ie, the 'root' site in a Multisite installation). It was added in Version 3.0.0, right when Multisite became a part of WordPress core.

$wpdb->prefix will get the prefix for the current site in a Multisite installation.

Per the Codex docs for the wpdb class:

$prefix
The assigned WordPress table prefix for the site.

$base_prefix
The original prefix as defined in wp-config.php. For multi-site: Use if you want to get the prefix without the blog number appended.

(emphasis added)

1

Try $wpdb->get_blog_prefix like below:

$base_prefix = $wpdb->get_blog_prefix(0);

And use $base_prefix as base prefix.

Let me know if this is not work for you.

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