/**
  * Return list of servers, if function exists
  *
  * @since 2.1.1
  *
  * @return array
  */
 private function get_servers()
 {
     return function_exists('wp_cache_get_server_list') ? wp_cache_get_server_list() : array();
 }
 /**
  * Return list of servers, if function exists
  *
  * @since 2.1.1
  *
  * @return array
  */
 private function get_servers()
 {
     $retval = array();
     // Use drop-in function
     if (function_exists('wp_cache_get_server_list')) {
         $retval = wp_cache_get_server_list();
         // Memcache exists on local server
     } elseif (class_exists('Memcache')) {
         $retval = array(array('host' => '127.0.0.1', 'port' => 11211, 'weight' => 10));
     }
     return $retval;
 }