public function dataProviderForMinMulti() { return [[[5, 5, 5, 5], [5, 10, 15, 20], [5, 5, 5, 5]], [[2.5, 10, 3, 4], [5, 10, 15, 20], [2.5, 20, 3, 4]], [[2, 2, 5, 2], [100, 80, 25, 64], [10, 2, 55, 2], [2, 2, 5, 664]]]; }