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Editorial Team
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Asked: 2026-05-29T12:25:58+00:00

My signed request looks like this when viewing a non-authorized page. Array ( [algorithm]

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My signed request looks like this when viewing a non-authorized page. 

Array ( 
  [algorithm] => HMAC-SHA256 
  [issued_at] => 1328803958 
  [page] => Array ( 
    [id] => 114951721840 
    [liked] => 1 
    [admin] => 1 ) 
    [user] => Array ( 
      [country] => us 
      [locale] => en_US 
      [age] => Array ( [min] => 21 ) 
    ) 
)

After authorizing the app, the initial tab page signed request looks like this.

Array ( 
  [algorithm] => HMAC-SHA256 
  [expires] => 1328810400 
  [issued_at] => 1328804617 
  [oauth_token] => AAAEQiWKOJTUBAB7la6TzNybfDkv6eYwtGUayappUspm3hWx6qKAFw3Ahbdhqv1xZC27WmrZC0yMMdtE0pdxoiUruZABg1zN1DalnYqS5AZDZD 
  [page] => Array ( 
    [id] => 114951721840 
    [liked] => 1 
    [admin] => 1 ) 
    [user] => Array ( 
      [country] => us 
      [locale] => en_US 
      [age] => Array ( [min] => 21 ) 
    ) 
  )
  [user_id] => 30811359 
)

And finally, once I navigate away from this page, the signed request looks like this.

Array ( 
  [algorithm] => HMAC-SHA256 
  [code] => 2.AQAq5nTl5j7tMkqF.3600.1328810400.5-30811359|tXdv-ci5z1GIzo9CY5HXp_piL3I 
  [issued_at] => 1328804621 
  [user_id] => 30811359 
)

I can determine user likes with a valid user, but I want to figure out why I lose the standard signed request data after navigating from the initial tab page.

UPDATE :
If I store the signed request into a session variable and load it on subsequent pages, I maintain the full signed request. Is there a reason I should not do this?

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1 Answer

  1. Editorial Team

    UPDATE : If I store the signed request into a session variable and load it on subsequent pages, I maintain the full signed request. Is there a reason I should not do this?

    That’s exactly what you should do.

    The signed request is only sent when a Facebook Tab is initially loaded by Facebook. Subsequent navigation within the Facebook Tab doesn’t come with a signed request, as Facebook isn’t initating the page load any more.

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