feat(Storage): Added sample to print bucket default acl (#1692)

* Added a sample to print bucket default ACL.

Author: yash30201

storage/src/print_bucket_default_acl.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Copyright 2022 Google Inc.
+ *
+ * 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.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/storage/README.md
+ */
+
+namespace Google\Cloud\Samples\Storage;
+
+# [START storage_print_bucket_default_acl]
+use Google\Cloud\Storage\StorageClient;
+
+/**
+ * Print the default object ACL for a bucket.
+ *
+ * @param string $bucketName The name of your Cloud Storage bucket.
+ */
+function print_bucket_default_acl(string $bucketName): void
+{
+    $storage = new StorageClient();
+    $bucket = $storage->bucket($bucketName);
+    $defaultAcl = $bucket->defaultAcl()->get();
+
+    foreach ($defaultAcl as $item) {
+        printf('%s: %s' . PHP_EOL, $item['entity'], $item['role']);
+    }
+}
+# [END storage_print_bucket_default_acl]
+
+// The following 2 lines are only needed to run the samples
+require_once __DIR__ . '/../../testing/sample_helpers.php';
+\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

storage/test/storageTest.php

@@ -62,6 +62,21 @@ public function testBucketAcl()
         $this->assertRegExp('/: OWNER/', $output);
     }
 
+    public function testPrintDefaultBucketAcl()
+    {
+        $output = $this->runFunctionSnippet('print_bucket_default_acl', [
+          self::$tempBucket->name(),
+        ]);
+
+        $defaultAcl = self::$tempBucket->defaultAcl()->get();
+        foreach ($defaultAcl as $item) {
+            $this->assertStringContainsString(
+              sprintf('%s: %s' . PHP_EOL, $item['entity'], $item['role']),
+              $output,
+            );
+        }
+    }
+
     /**
      * @return void
      */