public function test_values() { $c = new Collection(array(array('id' => 1, 'name' => 'Hello'), array('id' => 2, 'name' => 'World'))); $actual = $c->filter(function ($item) { return $item['id'] == 2; })->values()->all(); $this->assertEquals(array(array('id' => 2, 'name' => 'World')), $actual); }