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(PHP Extension) Download Text File to a String VariableThis example demonstrates how to download the content of a text file from Google Drive into a string variable.
<?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"); $success = true; // It requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example uses a previously obtained access token having permission for the // Google Drive scope. $gAuth = new CkAuthGoogle(); $gAuth->put_AccessToken('GOOGLE-DRIVE-ACCESS-TOKEN'); $rest = new CkRest(); // Connect using TLS. // A single REST object, once connected, can be used for many Google Drive REST API calls. // The auto-reconnect indicates that if the already-established HTTPS connection is closed, // then it will be automatically re-established as needed. $bAutoReconnect = true; $success = $rest->Connect('www.googleapis.com',443,true,$bAutoReconnect); // Provide the authentication credentials (i.e. the access token) $rest->SetAuthGoogle($gAuth); // ------------------------------------------------------------------------------ // To download a file, we must know the file ID. // In a previous example (see Build Local Metadata Cache // we built a local cache to make it easy to lookup file IDs given a file path. // Let's say we want to download "testFolder/abc/123/pigs.json". // First we lookup the fileId in the cache. With the fileId, we can download the file. $gdCache = new CkCache(); $gdCache->put_Level(0); $gdCache->AddRoot('C:/ckCache/googleDrive'); $fileId = $gdCache->fetchText('testFolder/abc/123/pigs.json'); if ($gdCache->get_LastMethodSuccess() != true) { print 'Filepath not found in cache.' . "\n"; exit; } // We need to send a GET request like this: // GET https://www.googleapis.com/drive/v3/files/fileId?alt=media // The fileId is part of the path. $sbPath = new CkStringBuilder(); $sbPath->Append('/drive/v3/files/'); $sbPath->Append($fileId); $rest->AddQueryParam('alt','media'); // The FullRequestNoBody returns the file content in the response body. $fileContent = $rest->fullRequestNoBody('GET',$sbPath->getAsString()); if ($rest->get_LastMethodSuccess() != true) { print $rest->lastErrorText() . "\n"; exit; } // A successful response will have a status code equal to 200. if ($rest->get_ResponseStatusCode() != 200) { print 'response status code = ' . $rest->get_ResponseStatusCode() . "\n"; print 'response status text = ' . $rest->responseStatusText() . "\n"; print 'response header: ' . $rest->responseHeader() . "\n"; exit; } print $fileContent . "\n"; print 'File downloaded.' . "\n"; ?> |
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