cast_for_exponent

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.

Does the PHP style behaviour for casting when doing an exponentiation

namespace HH\Lib\Legacy_FIXME;

function cast_for_exponent(
  mixed $value,
): dynamic;

That happens under the following situations

1. function pointers, and arrays get converted to 0
2. see castForArithmatic

Parameters

• mixed $value

Returns

• dynamic