I have a problem with new product model. I want to create a example product with graphql

my referance: https://shopify.dev/docs/api/admin-graphql/unstable/mutations/productCreate?example=Create+a+product+with+product+options+and+option+values&language=cURL#argument-input

As you can see in this screenshot, this product have Color and Size options and there are 2 values for each option.

When I use this example,

It generates only first values. I tried lots of methods but I could not solve it.

My php code;

$accessToken = $shopify->get_token();
    $shopUrl = 'https://' . $shopify->get_shop() . '/admin/api/unstable/graphql.json';

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $shopUrl);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/json',
        'X-Shopify-Access-Token: '.$accessToken,
    ]);
    curl_setopt($ch, CURLOPT_POSTFIELDS, "{n"query": "mutation CreateProductWithOptions($input: ProductInput!) { productCreate(input: $input) { userErrors { field message } product { id options { id name position values optionValues { id name hasVariants } } variants(first: 5) { nodes { id title selectedOptions { name value } } } } } }",n "variables": {n    "input": {n      "title": "New product",n      "productOptions": [n        {n          "name": "Color",n          "values": [n            {n              "name": "Red"n            },n            {n              "name": "Green"n            }n          ]n        },n        {n          "name": "Size",n          "values": [n            {n              "name": "Small"n            },n            {n              "name": "Medium"n            }n          ]n        }n      ]n    }n  }n}");

    $response = curl_exec($ch);

    curl_close($ch);