Determines whether Multisite is enabled.

Return

More Information

Usage

if ( is_multisite() ) { echo 'Multisite is enabled'; }

Source

function is_multisite() {
	if ( defined( 'MULTISITE' ) ) {
		return MULTISITE;
	}

	if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) {
		return true;
	}

	return false;
}

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