Question

I send a invite ,Below code is used to give you the request id. I’m the sender A. I send invite to b.I can get the request_id but how to get the A UID.

 //get the request ids from the query parameter
 $request_ids = explode(',', $_REQUEST['request_ids']);

 //build the full_request_id from request_id and user_id 
  function build_full_request_id($request_id, $user_id) {
  return $request_id . '_' . $user_id; 
 }

 //for each request_id, build the full_request_id and delete request  
 foreach ($request_ids as $request_id)
 {
 echo ("reqeust_id=".$request_id."<br>");
 $full_request_id = build_full_request_id($request_id, $user_id);  
 echo ("full_request_id=".$full_request_id."<br>");

try {
 $delete_success = $facebook->api("/$full_request_id",'DELETE');
 if ($delete_success) {
    echo "Successfully deleted " . $full_request_id;}
 else {
   echo "Delete failed".$full_request_id;}
}          
catch (FacebookApiException $e) {
echo "error";}
}

Answer 1

Set it: $user_id_A = $facebook->getUser();

Here’s some info about the getUser() method: https://developers.facebook.com/docs/reference/php/facebook-getUser/