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(PHP ActiveX) Paging User Photos with CursorDemonstrates how to iterate over the pages of user photos using a cursor.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example assumes a previously obtained an access token // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.OAuth2') $oauth2 = new COM("Chilkat.OAuth2"); $oauth2->AccessToken = 'FACEBOOK-ACCESS-TOKEN'; // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rest') $rest = new COM("Chilkat.Rest"); // Connect to Facebook. $success = $rest->Connect('graph.facebook.com',443,1,1); if ($success != 1) { print $rest->LastErrorText . "\n"; exit; } // Provide the authentication credentials (i.e. the access key) $rest->SetAuthOAuth2($oauth2); // Indicate that we only want the photos the user has personally uploaded. $rest->AddQueryParam('type','uploaded'); // We could limit the number of photos per page using the "limit" field. $rest->AddQueryParam('limit','20'); // Get the 1st page of photos. (Not the actual image data, but the information about each photo.) // See https://developers.facebook.com/docs/graph-api/reference/user/photos/ for more information. $responseJson = $rest->fullRequestNoBody('GET','/v2.7/me/photos'); if ($rest->LastMethodSuccess != 1) { print $rest->LastErrorText . "\n"; exit; } // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject') $json = new COM("Chilkat.JsonObject"); $json->EmitCompact = 0; $json->Load($responseJson); print $json->emit() . "\n"; // // See Parsing the Facebook User Photos for code showing how to parse the JSON photos content. // // Get the "after" cursor. $afterCursor = $json->stringOf('paging.cursors.after'); while ($json->LastMethodSuccess == 1) { print 'after cursor: ' . $afterCursor . "\n"; // Prepare for getting the next page of photos. // We can continue using the same REST object. // If already connected, we'll continue using the existing connection. // Otherwise, a new connection will automatically be made if needed. $rest->ClearAllQueryParams(); $rest->AddQueryParam('type','uploaded'); $rest->AddQueryParam('limit','20'); $rest->AddQueryParam('after',$afterCursor); $responseJson = $rest->fullRequestNoBody('GET','/v2.7/me/photos'); if ($rest->LastMethodSuccess != 1) { print $rest->LastErrorText . "\n"; exit; } $json->Load($responseJson); // See Parsing the Facebook User Photos for code showing how to parse the JSON photos content. print $json->emit() . "\n"; // Get the cursor for the next page. $afterCursor = $json->stringOf('paging.cursors.after'); } print 'No more pages of photos.' . "\n"; ?> |
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