Altax\Util\Arr::isVector PHP Method

    public static function isVector($array)
    {
        if (array_values($array) === $array) {
            return true;
        } else {
            return false;
        }
    }

 public function testIsVector()
 {
     $this->assertEquals(true, Arr::isVector(array("1", "3", "aaaa")));
     $this->assertEquals(true, Arr::isVector(array(1, 2, 3)));
     $this->assertEquals(true, Arr::isVector(array(1, 2, "aaaa")));
     $this->assertEquals(true, Arr::isVector(array()));
     $this->assertEquals(false, Arr::isVector(array("a" => "bb", "c" => "dd")));
 }