Core class used for interacting with a multisite network.

Create a new WP_Network object.

Getter.

Isset-er.

Setter.

Set the cookie domain based on the network domain if one has not been populated.

Set the site name assigned to the network if one has not been populated.

Retrieve the closest matching network for a domain and path.

Retrieve a network from the database by its ID.

Returns the main site ID for the network.