ReadAllowPartialSuccessAsync - 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. :::

Read from the handle, waiting for data if necessary

Hack

public function readAllowPartialSuccessAsync(
  ?int $max_bytes = NULL,
  ?int $timeout_ns = NULL,
): Awaitable<string>;

A wrapper around read() that will wait for more data if there is none available at present.

Parameters

?int $max_bytes = NULL
?int $timeout_ns = NULL

Returns

Awaitable<string>