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setDeclaredEncoding

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.

If the user provided an encoding in metadata (like an HTTP or XML declaration), this can be used as an additional hint to the detector

public function setDeclaredEncoding(
  string $encoding,
): void;

Parameters​

  • string $encoding - Possible encoding for the byte array obtained from associated metadata

Returns​

  • void