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array_combine

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.

Creates an array by using the values from the keys array as keys and the values from the values array as the corresponding values

function array_combine<Tv1 as arraykey, Tv2>(
  mixed $keys,
  mixed $values,
): darray<Tv1, Tv2>;

Parameters​

  • mixed $keys - Array of keys to be used. Illegal values for key will be converted to string.
  • mixed $values - Array of values to be used

Returns​

  • mixed - - Returns the combined array, FALSE if the number of elements for each array isn't equal or if the arrays are empty.