How to get the large picture from feed with graph api?

Question

When loading the Facebook feeds from one page, if a picture exist in the feed, I want to display the large picture.

How can I get with the graph API ? T

Answer 1

The Graph API photo object has a picture connection (similar to that the user object has):

“The album-sized view of the photo. […] Returns: HTTP 302 redirect to the URL of the picture.”

So requesting https://graph.facebook.com/{object-id-from-feed}/picture will redirect you to the album-sized version of the photo immediately. (Usefull not only for displaying it in a browser, but also if f.e. you want to download the image to your server, using cURL with follow_redirect option set.)

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Edit:

Beginning with API v2.3, the /picture edge for feed posts is deprecated.
However, as a field the picture can still be requested – but it will be a small one.

But full_picture is available as well.

So /{object-id-from-feed}?fields=picture,full_picture can be used to request those, or they can be requested directly with the rest of feed data, like this /page-id/feed?fields=picture,full_picture,… (additional fields, such as message etc., must be specified the same way.)