StartDTDEntity - 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 entity

Hack

public function startDTDEntity(
  string $name,
  bool $isparam,
): bool;

Parameters

string $name - The name of the entity.
bool $isparam

Returns

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