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wordpress / latest / functions / is_subdomain_install.html

is_subdomain_install(): bool

Whether a subdomain configuration is enabled.

Return

bool True if subdomain configuration is enabled, false otherwise.

Source

File: wp-includes/ms-load.php. View all references

function is_subdomain_install() {
	if ( defined( 'SUBDOMAIN_INSTALL' ) ) {
		return SUBDOMAIN_INSTALL;
	}

	return ( defined( 'VHOST' ) && 'yes' === VHOST );
}

Used By

Used By Description
wp_initialize_site() wp-includes/ms-site.php

Runs the initialization routine for a given site.
wp_normalize_site_data() wp-includes/ms-site.php

Normalizes data for a site prior to inserting or updating in the database.
get_oembed_response_data_for_url() wp-includes/embed.php

Retrieves the oEmbed response data for a given URL.
show_blog_form() wp-signup.php

Generates and displays the Sign-up and Create Site forms.
network_step2() wp-admin/includes/network.php

Prints step 2 for Network installation process.
avoid_blog_page_permalink_collision() wp-admin/includes/ms.php

Avoids a collision between a site slug and a permalink slug.
WP_MS_Sites_List_Table::prepare_items() wp-admin/includes/class-wp-ms-sites-list-table.php

Prepares the list of sites for display.
install_blog() wp-includes/ms-deprecated.php

Install an empty blog.
wpmu_validate_blog_signup() wp-includes/ms-functions.php

Processes new site registrations.
wpmu_signup_blog_notification() wp-includes/ms-functions.php

Sends a confirmation request email to a user when they sign up for a new site. The new site will not become active until the confirmation link is clicked.
get_blogaddress_by_domain() wp-includes/ms-deprecated.php

Get a full blog URL, given a domain and a path.
get_blogaddress_by_name() wp-includes/ms-blogs.php

Get a full blog URL, given a blog name.
get_id_from_blogname() wp-includes/ms-blogs.php

Retrieves a site’s ID given its (subdomain or directory) slug.
get_blog_details() wp-includes/ms-blogs.php

Retrieve the details for a blog from the blogs table and blog options.
ms_cookie_constants() wp-includes/ms-default-constants.php

Defines Multisite cookie constants.

Changelog

Version Description
3.0.0 Introduced.

© 2003–2022 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_subdomain_install