AWS SDK for PHPでCloudFrontのキャッシュパージ

gistfile1.txt

<?php
require_once "aws.phar";

//設定
$access_key = "<ACCESS_KEY>";
$secret_key = "<SECRET_KEY>";
$distribution_id = "<DISTRIBUTION_ID>";

$paths = array("/img/a.png",);

$client = new \Aws\CloudFront\CloudFrontClient(array(
    'region'  => 'ap-northeast-1', 
    'credentials' => array(
        'key'    => $access_key,
        'secret' => $secret_key,
    ),
));


$result = $client->createInvalidation(array(
    // DistributionId is required
    'DistributionId' => $distribution_id,
    // Paths is required
    'Paths' => array(
        // Quantity is required
        'Quantity' => count($paths),
        'Items' => $paths,
    ),
    // CallerReference is required
    'CallerReference' => time(),
));

$invalidation_id = $result.Id;

$result = $client->waitUntilInvalidationComplated(array(
    // DistributionId is required
    'DistributionId' => $distribution_id,
    // Id is required
    'Id' => $invalidation_id,
));

print_r ($result);