Delete buckets (and all objects inside it) with a certain prefix name from Google Cloud Storage

deleteUnusedBuckets.php

<?php

require_once __DIR__ . '/../vendor/autoload.php';
## Delete all buckets (and objects inside it) with bucket name having prefix: `gcloud_testing_`

use Google\Cloud\Storage\StorageClient;

$client = new StorageClient();
$buckets = $client->buckets();

$countBucket = 0;
$countObject = 0;
foreach ($buckets as $bucket) {
    echo $bucket->name() . "\n";
    if (str_starts_with($bucket->name(), 'gcloud_testing_')) {
        $countBucket += 1;
        // Delete all objects in the bucket
        $objects = $bucket->objects();
        foreach ($objects as $object) {
            $countObject += 1;
            $object->delete();
        }
        $bucket->delete();
    }
}
echo "Deleted $countBucket buckets and $countObject objects.\n";