Strange multisite issue where all sites return same id with get_current_site()

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I'm trying to add some code based on which multisite is shown. However for both the main site and sub-domains it always shows the ID as 1. I've put

$current_site = get_current_site();
var_dump($current_site);

in both the header.php and index.php and they both output the same for every sub-domain:

object(WP_Network)[275]
  private 'id' => int 1
  public 'domain' => string '...' (length=16)
  public 'path' => string '/' (length=1)
  private 'blog_id' => int 1
  public 'cookie_domain' => string '...' (length=16)
  public 'site_name' => string '...' (length=19)

Has anyone else ran into this issue and know of a way to get the correct current id?

I'm trying to add some code based on which multisite is shown. However for both the main site and sub-domains it always shows the ID as 1. I've put

$current_site = get_current_site();
var_dump($current_site);

in both the header.php and index.php and they both output the same for every sub-domain:

object(WP_Network)[275]
  private 'id' => int 1
  public 'domain' => string '...' (length=16)
  public 'path' => string '/' (length=1)
  private 'blog_id' => int 1
  public 'cookie_domain' => string '...' (length=16)
  public 'site_name' => string '...' (length=19)

Has anyone else ran into this issue and know of a way to get the correct current id?

• multisite

Share Improve this question edited Sep 9, 2019 at 19:46 Alex asked Sep 9, 2019 at 19:40 AlexAlex 16211 silver badge88 bronze badges

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1 Answer 1

Sorted by: Reset to default 3

When Multisite was first rolled into core (from a project call "multi-user", which is why you'll sometimes see references to "mu-*"), the terminology was that you'd run a site of blogs. Now we refer to a network of sites, but because the functions had all already been named, get_current_site() gets the current network.

You'll need to use get_current_blog_id() to get the current site's ID, or get_bloginfo() or get_blog_details() for more detailed data on the current site.

Reference

• Note on get_current_site

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