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<?php class Doubler { public function __invoke($item) { return $item * 2; } } $array = [1, 2, 3]; $operation = new Doubler(); var_dump(array_map($operation, $array));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(2) [1]=> int(4) [2]=> int(6) }

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