sample.php

<?php
/*
 * Copyright 2013. Amazon Web Services, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
**/

// Include the SDK using the Composer autoloader
require 'vendor/autoload.php';

use Aws\S3\S3Client;

/*
 If you instantiate a new client for Amazon Simple Storage Service (S3) with
 no parameters or configuration, the AWS SDK for PHP will look for access keys
 in the AWS_ACCESS_KEY_ID and AWS_SECRET_KEY environment variables.

 For more information about this interface to Amazon S3, see:
 http://docs.aws.amazon.com/aws-sdk-php-2/guide/latest/service-s3.html#creating-a-client
*/
$client = S3Client::factory();

/*
 Everything uploaded to Amazon S3 must belong to a bucket. These buckets are
 in the global namespace, and must have a unique name.

 For more information about bucket name restrictions, see:
 http://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html
*/
$bucket = uniqid("php-sdk-sample-", true);
echo "Creating bucket named {$bucket}\n";
$result = $client->createBucket(array(
    'Bucket' => $bucket
));

// Wait until the bucket is created
$client->waitUntilBucketExists(array('Bucket' => $bucket));

/*
 Files in Amazon S3 are called "objects" and are stored in buckets. A specific
 object is referred to by its key (i.e., name) and holds data. Here, we create
 a new object with the key "hello_world.txt" and content "Hello World!".

 For a detailed list of putObject's parameters, see:
 http://docs.aws.amazon.com/aws-sdk-php-2/latest/class-Aws.S3.S3Client.html#_putObject
*/
$key = 'hello_world.txt';
echo "Creating a new object with key {$key}\n";
$result = $client->putObject(array(
    'Bucket' => $bucket,
    'Key'    => $key,
    'Body'   => "Hello World!"
));

/*
 Download the object and read the body directly.

 For more examples of downloading objects, see the developer guide:
 http://docs.aws.amazon.com/aws-sdk-php-2/guide/latest/service-s3.html#downloading-objects

 Or the API documentation:
 http://docs.aws.amazon.com/aws-sdk-php-2/latest/class-Aws.S3.S3Client.html#_getObject
*/
echo "Downloading that same object:\n";
$result = $client->getObject(array(
    'Bucket' => $bucket,
    'Key'    => $key
));

echo "\n---BEGIN---\n";
echo $result['Body'];
echo "\n---END---\n\n";

/*
 Buckets cannot be deleted unless they're empty. With the AWS SDK for PHP, you
 have two options:

  - Use the clearBucket helper:
      http://docs.aws.amazon.com/aws-sdk-php-2/latest/class-Aws.S3.S3Client.html#_clearBucket
  - Or individually delete all objects.

 Since this sample created a new unique bucket and uploaded a single object,
 we'll just delete that object.
*/
echo "Deleting object with key {$key}\n";
$result = $client->deleteObject(array(
    'Bucket' => $bucket,
    'Key'    => $key
));

/*
 Now that the bucket is empty, it can be deleted.

 See the API documentation for more information on deleteBucket:
 http://docs.aws.amazon.com/aws-sdk-php-2/latest/class-Aws.S3.S3Client.html#_deleteBucket
*/
echo "Deleting bucket {$bucket}\n";
$result = $client->deleteBucket(array(
    'Bucket' => $bucket
));