Product-page gallery

[andriibuts]

Need a product images data as a value of input[type="hidden"] in JSON format:

[{
    "title": "some-title",
    "alt": "some-alt",
    "smallImage": "small/image/path.jpg",
    "mediumImage": "medium/image/path.jpg",
    "largeImage": "large/image/path.jpg"
}, ...]