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type_to_path

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.

Return the only path defining a given symbol

namespace HH\Facts;

function type_to_path(
  string $type_name,
): ?string;

Return null if the symbol is not defined, or is defined in more than one place.

Throw InvalidOperationException if Facts is not enabled.

Parameters​

  • string $type_name

Returns​

  • ?string