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(PHP ActiveX) REST Download Binary to Memory (Byte Array) (Amazon S3)Demonstrates how to make a REST call that returns a binary response body. This example is valid for reasonably small files that fit in memory. The example shows how to download a small JPG from the Amazon S3 service. For larger files, Chilkat provides streaming functionality to stream directly to a file, or to make an asynchronous call where the foreground thread can read the response body stream.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rest') $rest = new COM("Chilkat.Rest"); // Connect to the Amazon AWS REST server. $bTls = 1; $port = 443; $bAutoReconnect = 1; $success = $rest->Connect('s3.amazonaws.com',$port,$bTls,$bAutoReconnect); // ---------------------------------------------------------------------------- // Important: For buckets created in regions outside us-east-1, // there are three important changes that need to be made. // See Working with S3 Buckets in Non-us-east-1 Regions for the details. // ---------------------------------------------------------------------------- // Provide AWS credentials for the REST call. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.AuthAws') $authAws = new COM("Chilkat.AuthAws"); $authAws->AccessKey = 'AWS_ACCESS_KEY'; $authAws->SecretKey = 'AWS_SECRET_KEY'; $authAws->ServiceName = 's3'; $success = $rest->SetAuthAws($authAws); // Set the bucket name via the HOST header. // In this case, the bucket name is "chilkat100". $rest->Host = 'chilkat100.s3.amazonaws.com'; // Send the request to download the JPG. $success = $rest->SendReqNoBody('GET','/starfish.jpg'); if ($success != 1) { print $rest->LastErrorText . "\n"; exit; } // Read the response header. $responseStatusCode = $rest->ReadResponseHeader(); if ($responseStatusCode < 0) { print $rest->LastErrorText . "\n"; exit; } print 'Response status code = ' . $responseStatusCode . "\n"; // We expect a 200 response status if the JPG data is coming. // Otherwise, we'll get a string response body with an error message(or no response body). if ($responseStatusCode == 200) { $jpgData = $rest->ReadRespBodyBinary(); if ($rest->LastMethodSuccess != 1) { print $rest->LastErrorText . "\n"; } else { print 'Successfully received the JPG bytes..' . "\n"; } } else { $errResponse = $rest->readRespBodyString(); if ($rest->LastMethodSuccess != 1) { print $rest->LastErrorText . "\n"; } else { print $errResponse . "\n"; } } ?> |
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