AsyncMysqlRowIterator

:::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 class to represent an iterator over the fields (columns) in a row

You can iterate over all the fields (columns) of an AsyncMysqlBlock one by one until the iterator is not valid any longer.

Guides

• Introduction
• Extensions

Interface Synopsis

final class AsyncMysqlRowIterator implements HH\KeyedIterator {...}

Public Methods

• ->current(): string
  Get the current field (column) name
• ->key(): int
  Get the current field (column) number
• ->next(): void
  Advance the iterator to the next field (column)
• ->rewind(): void
  Reset the iterator to the first field (column)
• ->valid(): bool
  Check if the iterator is at a valid field (column)