/**
  * @see Memcached::decrement().
  *
  * @param string $server_key This parameter is ignored.
  * @param string $key The key under which to store the value.
  * @param int $offset The amount by which to decrement the item's value.
  * @param int $initial_value The value to set the item to if it does not
  * currently exist.
  * @param int $expiration The expiration time, defaults to 0.
  *
  * @return bool True on success, or false on failure.
  */
 public function decrementByKey($server_key, $key, $offset = 1, $initial_value = 0, $expiration = 0)
 {
     return decrement($key, $offset, $initial_value, $expiration);
 }
function define_enums(array $names)
{
    return array_map('define', $names, range(0, decrement(count($names))));
}