Socket - Hhvm — ContextQMD

:::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. :::

Hack

namespace HH\Lib\OS;

function socket(
  SocketDomain $domain,
  SocketType $type,
  int $protocol,
): FileDescriptor;

Parameters

SocketDomain $domain
SocketType $type
int $protocol

Returns

FileDescriptor