SeekableHandle

:::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. :::

A handle that can have its' position changed

Interface Synopsis

namespace HH\Lib\IO;

interface SeekableHandle implements Handle {...}

Public Methods

• ->seek(int $offset): void
  Move to a specific offset within a handle
• ->tell(): int
  Get the current pointer position within a handle