Functional\Tests\FlattenTest::setUp PHP Method

    public function setUp()
    {
        parent::setUp();
        $this->goodArray = [1, 2, 3, [4, 5, 6, [7, 8, 9]], 10, [11, [12, 13], 14], 15];
        $this->goodArray2 = [1 => 1, "foo" => "2", 3 => "3", ["foo" => 5]];
        $this->goodIterator = new ArrayIterator($this->goodArray);
        $this->goodIterator[3] = new ArrayIterator($this->goodIterator[3]);
        $this->goodIterator[5][1] = new ArrayIterator($this->goodIterator[5][1]);
    }