public function testFilterByKeys()
{
$this->assertSame([1 => 'b', 'd' => 'e', 'h' => 'i'], ArrayUtils::filterByKeys(['a', 'b', 'c', 'd' => 'e', 'f' => 'g', 'h' => 'i'], array(0, 2, 'f'), false));
$this->assertSame([0 => 'a', 1 => 'b', 3 => 'd'], ArrayUtils::filterByKeys(['a', 'b', 'c', 'd'], [0, 1, 3]));
}
