# photoSizeProgressive

> Progressively encoded photosize

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Progressively encoded photosize

### Attributes:

| Name     |    Type       | Required | Description |
|----------|---------------|----------|-------------|
|type|[string](/API_docs/types/string.html) | Yes|[Photosize type »](https://core.telegram.org/api/files#image-thumbnail-types)|
|w|[int](/API_docs/types/int.html) | Yes|Photo width|
|h|[int](/API_docs/types/int.html) | Yes|Photo height|
|sizes|Array of [int](/API_docs/types/int.html) | Yes|Sizes of progressive JPEG file prefixes, which can be used to preliminarily show the image.|



### Type: [PhotoSize](/API_docs/types/PhotoSize.html)


### Example:

```
$photoSizeProgressive = ['_' => 'photoSizeProgressive', 'type' => 'string', 'w' => int, 'h' => int, 'sizes' => [int, int]];
```