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network_domain_check › WordPress Function

Since3.0.0
Deprecatedn/a
› network_domain_check ( No parameters )
Returns:
  • (string|false) Base domain if network exists, otherwise false.
Defined at:
Codex:

Check for an existing network.



Related Functions: network_admin_url, clean_network_cache, network_home_url, is_network_admin, wp_prime_network_option_caches

Source 

function network_domain_check() {
	global $wpdb;

	$sql = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) );
	if ( $wpdb->get_var( $sql ) ) {
		return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
	}
	return false;
}