gistfile1.aw

<?php
require_once( 'sdk-1.5.3/sdk.class.php' );
$s3 = new AmazonS3();

// Send a text file up as a silly mime type.
$bucket = 'kkuchta-testing';
$filename = 'test.txt';
$opts = array(
    'fileUpload' => '/Users/kevin/tmp/test.txt',
    'contentType' => 'application/octet-stream'
);

// Pull the file back down.
$s3->create_object($bucket, $filename, $opts );
file_get_contents( 'https://s3.amazonaws.com/kkuchta-testing/test.txt' );
var_dump($http_response_header); // Shows contentType as octet-stream