Redirect back to facebook app after accepting/denying permissions loop

Hello, I have a problem .I some applications for facebook, but this week I received the message: It Appears que your app is repeatedly redirecting people to the Login Dialog They decline after permission requests. This means que if someone is looking at the Login Dialog for your app and clicks 'Cancel' rather than accepting the permissions, the Login Dialog is automatically shown again and They have no way to get out of this loop. This is Considered a Violation of Facebook Platform Policy 7.5 - 'If the person declines the permission, you can prompt again after Them They Indicate an intent to grant you the permission.' - I need someone to fix this problem for me. My code is simple, but use wordpress to create applications. Within the [login to view URL] I created a canvas facebook page. Within this canvas page, I call "custom fields" to add the wordpress functions "AppID", "idsecret", "canvaspage" and others. - Also need to be corrected in the code, the security flaws of php. - I need you to give me support if any error or I am not satisfied with the service provided. Please note that some parts of the code are in Portuguese. The code is as follows: [login to view URL]