is_subdomain_install

Whether a subdomain configuration is enabled.

Description

is_subdomain_install();

Usage

if ( !function_exists( 'is_subdomain_install' ) ) { 
    require_once ABSPATH . WPINC . '/ms-load.php'; 
} 
 
  
// NOTICE! Understand what this does before running. 
$result = is_subdomain_install();

Defined (1)

The function is defined in the following location(s).

/wp-includes/ms-load.php

function is_subdomain_install() { 
    if ( defined('SUBDOMAIN_INSTALL') ) 
        return SUBDOMAIN_INSTALL; 
 
    return ( defined( 'VHOST' ) && VHOST == 'yes' ); 
}