ReadUntilxAsync

:::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. :::

Read until the suffix, or raise EPIPE if the separator is not seen

public function readUntilxAsync(
  string $suffix,
): Awaitable<string>;

This is similar to readUntilAsync(), however it raises EPIPE instead of returning null.

Parameters

• string $suffix

Returns

• Awaitable<string>