OpenURI

:::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. :::

Creates a new XMLWriter using uri for the output

public function openURI(
  string $uri,
): bool;

Parameters

• string $uri - The URI of the resource for the output.

Returns

• mixed - - Returns TRUE on success or FALSE on