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<?php $params = [1,2,3]; function transform(array &$params) { $references = []; foreach ($params as &$value) { $references[] = &$value; } $value = "foo"; return $references; } var_dump($params); $params = transform($params); var_dump($params);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> string(3) "foo" }

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