StartDTDElement - 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. :::

Starts a DTD element

Hack

public function startDTDElement(
  string $qualifiedname,
): bool;

Parameters

string $qualifiedname - The qualified name of the document type to create.

Returns

bool - - Returns TRUE on success or FALSE on failure.