This is a simple file which will show sample output from Amazon Web Services PHP SDK 2. Sample focuses on EC2 "Describe" commands.

gistfile1.php

<?php

// Sample "Hello AWS PHP SDK 2" script
// March, 2013

require '/your-path/vendor/autoload.php';
require '/your-path/vendor/aws/aws-sdk-php/src/Aws/Ec2/Ec2Client.php';

use Aws\Common\Aws;
use Aws\Common\Enum\Region;
use Aws\EC2\Ec2Client;


$client = Ec2Client::factory(array(
  'key'    => 'YOUR-KEY',
  'secret' => 'your-secret',
  'region' => Region::US_EAST_2,
));

$descCmdsAry = getCommandsAry();  // defined below

// Now print output from all EC2 Describe commands -- except for a few long ones
foreach ($descCmdsAry as $cmd => $result) {
  print "<h2>$cmd ==> $result</h2> \n";
  print "<pre> \n";
  
  try {
    $obj = $client->$cmd();
  } catch (Exception $e) {
    print $e;
  }

  print_r($obj[$result]);
  print "</pre>\n";
}

function getCommandsAry () {
  return array(
    'DescribeAddresses'                  => 'Addresses',
    'DescribeAvailabilityZones'          => 'AvailabilityZones',
    'DescribeBundleTasks'                => 'BundleTasks',
    'DescribeConversionTasks'            => 'ConversionTasks',
    'DescribeCustomerGateways'           => 'CustomerGateways',
    'DescribeDhcpOptions'                => 'DhcpOptions',
    'DescribeExportTasks'                => 'ExportTasks',
    'DescribeImageAttribute'             => 'ImageAttribute',               // Need input attribute or error
    //'DescribeImages'                     => 'Images',                     // Too many without filter
    'DescribeInstanceAttribute'          => 'InstanceAttribute',            // Need input attribute or error
    'DescribeInstanceStatus'             => 'InstanceStatus',
    'DescribeInstances'                  => 'Instances',
    'DescribeInternetGateways'           => 'InternetGateways',
    'DescribeKeyPairs'                   => 'KeyPairs',
    'DescribeLicenses'                   => 'Licenses',                     // UnsupportedOperation
    'DescribeNetworkAcls'                => 'NetworkAcls',
    'DescribeNetworkInterfaceAttribute'  => 'NetworkInterfaceAttribute',    // Need input attribute or error
    'DescribeNetworkInterfaces'          => 'NetworkInterfaces',
    'DescribePlacementGroups'            => 'PlacementGroups',
    'DescribeRegions'                    => 'Regions',
    'DescribeReservedInstances'          => 'ReservedInstances',
    'DescribeReservedInstancesListings'  => 'ReservedInstancesListings',
    //'DescribeReservedInstancesOfferings' => 'ReservedInstancesOfferings',  // Too many with out filter
    'DescribeRouteTables'                => 'RouteTables',
    //'DescribeSecurityGroups'             => 'SecurityGroups',              // Several (18) many from AWS
    'DescribeSnapshotAttribute'          => 'SnapshotAttribute',             // Need input attribute or error
    //'DescribeSnapshots'                  => 'Snapshots',                   // Very long (2500) need filter
    'DescribeSpotDatafeedSubscription'   => 'SpotDatafeedSubscription',      // InvalidSpotDatafeed.NotFound
    'DescribeSpotInstanceRequests'       => 'SpotInstanceRequests',
    //'DescribeSpotPriceHistory'           => 'SpotPriceHistory',            // Long - 800
    'DescribeSubnets'                    => 'Subnets',
    'DescribeTags'                       => 'Tags',
    'DescribeVolumeAttribute'            => 'VolumeAttribute',               // Need input attribute or error
    'DescribeVolumeStatus'               => 'VolumeStatus',
    'DescribeVolumes'                    => 'Volumes',
    'DescribeVpcs'                       => 'Vpcs',
    'DescribeVpnConnections'             => 'VpnConnections',
    'DescribeVpnGateways'                => 'VpnGateways',
  );

}