Serialize With Options

:::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. :::

namespace HH;

function serialize_with_options(
  mixed $value,
  dict<string, mixed> $options = dict [
],
): string;

Parameters

• mixed $value
• dict<string, mixed> $options = dict [ ]

Returns

• string