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Editorial Team
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Asked: 2026-05-24T20:21:33+00:00

This is regarding Facebook apps. After the user clicks on Allow button on the

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This is regarding Facebook apps. After the user clicks on Allow button on the authorization page (OAuth page) then the user is redirected to the app with a code param in the query string. According to FB doc we should use the value of this param to get the access code needed for FB API calls.

I use FB’s PHP-SDK. After the user is redirected from OAuth page then I call $facebook->getUserAccessToke() to get the access token. This code seems to fetch the access token directly from the signed_rquest (present in the cookie). It never needs to use code param. I don’t understand why code param is sent then?

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1 Answer

  1. Editorial Team

    depends on your app settings, currently its working without the code, but you will have to migrate to the now standard oauth2.0 process.

    see https://github.com/facebook/php-sdk/blob/master/examples/example.php for how to login users.

    in short words, you dont have to take care of the token or code parameter, the SDK handles it itself. (via $_REQUEST array)

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