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getConstants

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.

( excerpt from http://php.net/manual/en/reflectionclass.getconstants.php )

public function getConstants(): darray<string, mixed>;

Gets defined constants from a class. Warning: This function is currently not documented; only its argument list is available.

Returns​

  • array - An array of constants. Constant name in key, constant value in value.