GetResultName - Hhvm

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Translate an mc_res_* numeric code to something human-readable

Hack

public static function getResultName(
  int $op,
): string;

Parameters

int $op

Returns

string - - The name of the result

Examples

The following example shows how to use MCRouter::getResultName to get the English readable name for an MCRouter result given as an integer.

Here is the list of the current mappings:

Integer	Constant	String
0	MCRouter::mc_res_unknown	mc_res_unknown
1	MCRouter::mc_res_deleted	mc_res_deleted
2	MCRouter::mc_res_found	mc_res_found
3	MCRouter::mc_res_foundstale	mc_res_foundstale
4	MCRouter::mc_res_notfound	mc_res_notfound
5	MCRouter::mc_res_notfoundhot	mc_res_notfoundhot
6	MCRouter::mc_res_notstored	mc_res_notstored
7	MCRouter::mc_res_stalestored	mc_res_stalestored
8	MCRouter::mc_res_ok	mc_res_ok
9	MCRouter::mc_res_stored	mc_res_stored
10	MCRouter::mc_res_exists	mc_res_exists
11	MCRouter::mc_res_ooo	mc_res_ooo
12	MCRouter::mc_res_timeout	mc_res_timeout
13	MCRouter::mc_res_connect_timeout	mc_res_connect_timeout
14	MCRouter::mc_res_connect_error	mc_res_connect_error
15	MCRouter::mc_res_busy	mc_res_busy
16	MCRouter::mc_res_try_again	mc_res_try_again
17	MCRouter::mc_res_shutdown	mc_res_shutdown
18	MCRouter::mc_res_tko	mc_res_tko
19	MCRouter::mc_res_bad_command	mc_res_bad_command
20	MCRouter::mc_res_bad_key	mc_res_bad_key
21	MCRouter::mc_res_bad_flags	mc_res_bad_flags
22	MCRouter::mc_res_bad_exptime	mc_res_bad_exptime
23	MCRouter::mc_res_bad_lease_id	mc_res_bad_lease_id
24	MCRouter::mc_res_bad_cas_id	mc_res_bad_cas_id
25	MCRouter::mc_res_bad_value	mc_res_bad_value
26	MCRouter::mc_res_aborted	mc_res_aborted
27	MCRouter::mc_res_client_error	mc_res_client_error
28	MCRouter::mc_res_local_error	mc_res_local_error
29	MCRouter::mc_res_remote_error	mc_res_remote_error
30	MCRouter::mc_res_waiting	mc_res_waiting
31	MCRouter::mc_nres	mc_nres

basic-usage.hack

function get_simple_mcrouter(): \MCRouter {
  $servers = Vector {\getenv('HHVM_TEST_MCROUTER')};
  $mc = \MCRouter::createSimple($servers);
  return $mc;
}

function get_res_name(int $res_num): string {
  return \MCRouter::getResultName($res_num);
}

<<__EntryPoint>>
async function run(): Awaitable<void> {
  $mc = get_simple_mcrouter();

  // You can pass raw integers
  \var_dump(get_res_name(3));
  \var_dump(get_res_name(9));
  \var_dump(get_res_name(-1));
  \var_dump(get_res_name(0));
  \var_dump(get_res_name(100));

  // You can pass MCRouter constants
  \var_dump(get_res_name(\MCRouter::mc_res_timeout));
  \var_dump(get_res_name(\MCRouter::mc_res_bad_flags));
  \var_dump(get_res_name(\MCRouter::mc_res_local_error));

  // You can pass something from an exception too
  try {
    $val = await $mc->get('KEYDOESNOTEXISTIHOPEREALLY');
  } catch (\MCRouterException $ex) {
    \var_dump($ex->getCode());
    \var_dump(get_res_name($ex->getCode()));
  }
}
```.hhvm.expectf
string(17) "mc_res_foundstale"
string(13) "mc_res_stored"
string(14) "mc_res_unknown"
string(14) "mc_res_unknown"
string(14) "mc_res_unknown"
string(14) "mc_res_timeout"
string(16) "mc_res_bad_flags"
string(18) "mc_res_local_error"
int(4)
string(15) "mc_res_notfound"
```.example.hhvm.out
string(17) "mc_res_foundstale"
string(13) "mc_res_stored"
string(14) "mc_res_unknown"
string(14) "mc_res_unknown"
string(14) "mc_res_unknown"
string(14) "mc_res_timeout"
string(16) "mc_res_bad_flags"
string(18) "mc_res_local_error"
int(4)
string(15) "mc_res_notfound"
```.skipif
\Hack\UserDocumentation\API\Examples\MCRouter\skipif();