feat(PubSub): Add CreateUnwrappedPushSubscription Sample

Author: cy-yun

pubsub/api/src/create_unwrapped_push_subscription.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * Copyright 2025 Google LLC.
+ *
+ * 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/blob/main/pubsub/api/README.md
+ */
+
+namespace Google\Cloud\Samples\PubSub;
+
+# [START pubsub_create_unwrapped_push_subscription]
+use Google\Cloud\PubSub\PubSubClient;
+
+/**
+ * Create unwrappped push subscription.
+ *
+ * @param string $projectId  The Google project ID.
+ * @param string $topicName  The Pub/Sub topic name.
+ * @param string $subscriptionId  The ID of the subscription.
+ */
+function create_unwrapped_push_subscription(
+    string $projectId,
+    string $topicName,
+    string $subscriptionId
+): void {
+
+    $pubsub = new PubSubClient([
+        'projectId' => $projectId,
+    ]);
+    $pubsub->subscribe($subscriptionId, $topicName, [
+        'pushConfig' => [
+            'no_wrapper' => [
+                'write_metadata' => true
+            ]
+        ]
+    ]);
+    printf('Unwrapped push subscription created: %s' . PHP_EOL, $subscriptionId);
+}
+# [END pubsub_create_unwrapped_push_subscription]
+require_once __DIR__ . '/../../../testing/sample_helpers.php';
+\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

pubsub/api/test/pubsubTest.php

@@ -487,4 +487,26 @@ public function testPublishAndSubscribeWithOrderingKeys()
         $this->assertMatchesRegularExpression('/Created subscription with ordering/', $output);
         $this->assertMatchesRegularExpression('/\"enableMessageOrdering\":true/', $output);
     }
+
+    public function testCreateAndDeleteUnwrappedSubscription()
+    {
+        $topic = $this->requireEnv('GOOGLE_PUBSUB_TOPIC');
+        $subscription = 'test-subscription-' . rand();
+        $output = $this->runFunctionSnippet('create_unwrapped_push_subscription', [
+            self::$projectId,
+            $topic,
+            $subscription,
+        ]);
+
+        $this->assertMatchesRegularExpression('/Unwrapped push subscription created:/', $output);
+        $this->assertMatchesRegularExpression(sprintf('/%s/', $subscription), $output);
+
+        $output = $this->runFunctionSnippet('delete_subscription', [
+            self::$projectId,
+            $subscription,
+        ]);
+
+        $this->assertMatchesRegularExpression('/Subscription deleted:/', $output);
+        $this->assertMatchesRegularExpression(sprintf('/%s/', $subscription), $output);
+    }
 }