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is_class_meth

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.

Checks whether the input is a native class method pointer

namespace HH;

function is_class_meth(
  mixed $arg,
): bool;
HH\is_class_meth(Foo::bar<>); // true
HH\is_class_meth(bing<>); // false

Parameters​

  • mixed $arg

Returns​

  • bool