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(PHP Extension) Paging User Photos with CursorDemonstrates how to iterate over the pages of user photos using a cursor.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.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 $oauth2 = new CkOAuth2(); $oauth2->put_AccessToken('FACEBOOK-ACCESS-TOKEN'); $rest = new CkRest(); // Connect to Facebook. $success = $rest->Connect('graph.facebook.com',443,true,true); if ($success != true) { 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->get_LastMethodSuccess() != true) { print $rest->lastErrorText() . "\n"; exit; } $json = new CkJsonObject(); $json->put_EmitCompact(false); $json->Load($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->get_LastMethodSuccess() == true) { 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->get_LastMethodSuccess() != true) { 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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