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is_subdomain_install()

is_subdomain_install(): bool

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Whether a subdomain configuration is enabled.

Return

bool True if subdomain configuration is enabled, false otherwise.

Source

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

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

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

Runs the initialization routine for a given site.

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.

WP_MS_Sites_List_Table::get_sortable_columns()wp-admin/includes/class-wp-ms-sites-list-table.php
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 site URL, given a domain and a path.

get_blogaddress_by_name()wp-includes/ms-blogs.php

Gets a full site URL, given a site 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

Retrieves 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.

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Changelog

VersionDescription
3.0.0Introduced.

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