diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f574b66c14..907e2b3a85 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
     - name: Install PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.0'
+        php-version: '8.2'
 
     - name: Run Script
       run: testing/run_cs_check.sh
@@ -25,7 +25,7 @@ jobs:
     - name: Install PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.0'
+        php-version: '8.2'
     - name: Get changed files
       id: changedFiles
       uses: tj-actions/changed-files@v44
diff --git a/.kokoro/deploy_gae.cfg b/.kokoro/deploy_gae.cfg
index 3b7a2d7645..e168779678 100644
--- a/.kokoro/deploy_gae.cfg
+++ b/.kokoro/deploy_gae.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/php80"
+    value: "gcr.io/cloud-devrel-kokoro-resources/php81"
 }
 
 # Run the deployment tests
diff --git a/.kokoro/deploy_gcf.cfg b/.kokoro/deploy_gcf.cfg
index 243fbc7b69..40fa84403d 100644
--- a/.kokoro/deploy_gcf.cfg
+++ b/.kokoro/deploy_gcf.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/php80"
+    value: "gcr.io/cloud-devrel-kokoro-resources/php81"
 }
 
 # Run the deployment tests
diff --git a/.kokoro/deploy_misc.cfg b/.kokoro/deploy_misc.cfg
index 8efc1b10f8..12d103d622 100644
--- a/.kokoro/deploy_misc.cfg
+++ b/.kokoro/deploy_misc.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/php80"
+    value: "gcr.io/cloud-devrel-kokoro-resources/php81"
 }
 
 # Run the deployment tests
diff --git a/.kokoro/php80.cfg b/.kokoro/php83.cfg
similarity index 87%
rename from .kokoro/php80.cfg
rename to .kokoro/php83.cfg
index f5837873dc..4e05f8133a 100644
--- a/.kokoro/php80.cfg
+++ b/.kokoro/php83.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/php80"
+    value: "gcr.io/cloud-devrel-kokoro-resources/php83"
 }
 
 # Give the docker image a unique project ID and credentials per PHP version
diff --git a/.kokoro/php_rest.cfg b/.kokoro/php_rest.cfg
index 650b018bfa..1e7cfc90d6 100644
--- a/.kokoro/php_rest.cfg
+++ b/.kokoro/php_rest.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/php80"
+    value: "gcr.io/cloud-devrel-kokoro-resources/php81"
 }
 
 # Set this project to run REST tests only
diff --git a/appengine/standard/getting-started/README.md b/appengine/standard/getting-started/README.md
index 869457cb36..f475efdf01 100644
--- a/appengine/standard/getting-started/README.md
+++ b/appengine/standard/getting-started/README.md
@@ -1,7 +1,7 @@
-# Getting Started on App Engine for PHP 7.4
+# Getting Started on App Engine for PHP 8.1
 
 This sample demonstrates how to deploy a PHP application which integrates with
-Cloud SQL and Cloud Storage on App Engine Standard for PHP 7.4. The tutorial
+Cloud SQL and Cloud Storage on App Engine Standard for PHP 8.1. The tutorial
 uses the Slim framework.
 
-## View the [full tutorial](https://cloud.google.com/appengine/docs/standard/php7/building-app/)
+## View the [full tutorial](https://cloud.google.com/appengine/docs/standard/php-gen2/building-app)
diff --git a/appengine/standard/slim-framework/README.md b/appengine/standard/slim-framework/README.md
index 42fb888378..c7e9c95a13 100644
--- a/appengine/standard/slim-framework/README.md
+++ b/appengine/standard/slim-framework/README.md
@@ -1,7 +1,7 @@
-# Slim Framework on App Engine for PHP 7.4
+# Slim Framework on App Engine for PHP
 
 This sample demonstrates how to deploy a *very* basic [Slim][slim] application to
-[Google App Engine for PHP 7.4][appengine-php]. For a more complete guide, follow
+[Google App Engine for PHP][appengine-php]. For a more complete guide, follow
 the [Building an App][building-an-app] tutorial.
 
 ## Setup
@@ -34,7 +34,7 @@ The application consists of three components:
  3. An [`index.php`](index.php) which handles all the requests which get routed to your app.
 
 The `index.php` file is the most important. All applications running on App Engine
-for PHP 7.4 require use of a [front controller][front-controller] file.
+for PHP require use of a [front controller][front-controller] file.
 
 [console]: https://console.developers.google.com/project
 [slim]: https://www.slimframework.com/
diff --git a/appengine/standard/slim-framework/phpunit.xml.dist b/appengine/standard/slim-framework/phpunit.xml.dist
index afa62ef701..b15d7cb383 100644
--- a/appengine/standard/slim-framework/phpunit.xml.dist
+++ b/appengine/standard/slim-framework/phpunit.xml.dist
@@ -16,7 +16,7 @@
 -->
 <phpunit bootstrap="../../../testing/bootstrap.php">
     <testsuites>
-        <testsuite name="AppEngine for PHP 7.4 Slim Framework test">
+        <testsuite name="AppEngine for PHP Slim Framework test">
             <directory>test</directory>
         </testsuite>
     </testsuites>
diff --git a/bigtable/src/update_app_profile.php b/bigtable/src/update_app_profile.php
index b6dd451609..305ee8c85a 100644
--- a/bigtable/src/update_app_profile.php
+++ b/bigtable/src/update_app_profile.php
@@ -90,7 +90,7 @@ function update_app_profile(
         if ($operationResponse->operationSucceeded()) {
             $updatedAppProfile = $operationResponse->getResult();
             printf('App profile updated: %s' . PHP_EOL, $updatedAppProfile->getName());
-        // doSomethingWith($updatedAppProfile)
+            // doSomethingWith($updatedAppProfile)
         } else {
             $error = $operationResponse->getError();
             // handleError($error)
diff --git a/bigtable/src/update_cluster.php b/bigtable/src/update_cluster.php
index e2a9aa0a47..feaaa640ae 100644
--- a/bigtable/src/update_cluster.php
+++ b/bigtable/src/update_cluster.php
@@ -55,7 +55,7 @@ function update_cluster(
         if ($operationResponse->operationSucceeded()) {
             $updatedCluster = $operationResponse->getResult();
             printf('Cluster updated with the new num of nodes: %s.' . PHP_EOL, $updatedCluster->getServeNodes());
-        // doSomethingWith($updatedCluster)
+            // doSomethingWith($updatedCluster)
         } else {
             $error = $operationResponse->getError();
             // handleError($error)
diff --git a/bigtable/src/update_instance.php b/bigtable/src/update_instance.php
index 3a00c973bf..36c22d3c47 100644
--- a/bigtable/src/update_instance.php
+++ b/bigtable/src/update_instance.php
@@ -73,7 +73,7 @@ function update_instance(
         if ($operationResponse->operationSucceeded()) {
             $updatedInstance = $operationResponse->getResult();
             printf('Instance updated with the new display name: %s.' . PHP_EOL, $updatedInstance->getDisplayName());
-        // doSomethingWith($updatedInstance)
+            // doSomethingWith($updatedInstance)
         } else {
             $error = $operationResponse->getError();
             // handleError($error)
diff --git a/datastore/api/test/ConceptsTest.php b/datastore/api/test/ConceptsTest.php
index a2177b4aaa..60cf05f2ac 100644
--- a/datastore/api/test/ConceptsTest.php
+++ b/datastore/api/test/ConceptsTest.php
@@ -441,10 +441,10 @@ public function testKeyFilter()
         $this->assertStringContainsString('Query\Query Object', $output);
 
         $this->runEventuallyConsistentTest(
-          function () use ($key1, $output) {
-              $this->assertStringContainsString('Found 1 records', $output);
-              $this->assertStringContainsString($key1->path()[0]['name'], $output);
-          });
+            function () use ($key1, $output) {
+                $this->assertStringContainsString('Found 1 records', $output);
+                $this->assertStringContainsString($key1->path()[0]['name'], $output);
+            });
     }
 
     public function testAscendingSort()
diff --git a/dlp/README.md b/dlp/README.md
index b5c09d3157..fa13f5d8d8 100644
--- a/dlp/README.md
+++ b/dlp/README.md
@@ -54,7 +54,7 @@ See the [DLP Documentation](https://cloud.google.com/dlp/docs/inspecting-text) f
     export GOOGLE_PROJECT_ID=YOUR_PROJECT_ID
     ```
 - [Create a Google Cloud Storage bucket](https://console.cloud.google.com/storage) and upload [test.txt](src/test/data/test.txt).
-    - Set the `GOOGLE_STORAGE_BUCKET` environment variable. 
+    - Set the `GOOGLE_STORAGE_BUCKET` environment variable.
     - Set the `GCS_PATH` environment variable to point to the path for the bucket file.
     ```
     export GOOGLE_STORAGE_BUCKET=YOUR_BUCKET
@@ -120,7 +120,7 @@ PHP Fatal error:  Uncaught Error: Call to undefined function Google\Protobuf\Int
 You may need to install the bcmath PHP extension.
 e.g. (may depend on your php version)
 ```
-$ sudo apt-get install php8.0-bcmath
+$ sudo apt-get install php8.1-bcmath
 ```
 
 
diff --git a/eventarc/generic/Dockerfile b/eventarc/generic/Dockerfile
index de17cec683..097535fc84 100644
--- a/eventarc/generic/Dockerfile
+++ b/eventarc/generic/Dockerfile
@@ -5,7 +5,7 @@
 # You may obtain a copy of the License at
 #
 #    https://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.
@@ -16,7 +16,7 @@
 
 # Use the official PHP image.
 # https://hub.docker.com/_/php
-FROM php:8.0-apache
+FROM php:8.1-apache
 
 # Configure PHP for Cloud Run.
 # Precompile PHP code with opcache.
diff --git a/functions/helloworld_http/composer.json b/functions/helloworld_http/composer.json
index 2c3aa044ac..e627ccb769 100644
--- a/functions/helloworld_http/composer.json
+++ b/functions/helloworld_http/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": ">= 7.4",
+        "php": ">= 8.1",
         "google/cloud-functions-framework": "^1.1"
     },
     "scripts": {
diff --git a/functions/helloworld_pubsub/composer.json b/functions/helloworld_pubsub/composer.json
index c3eadb86ba..ed28a79488 100644
--- a/functions/helloworld_pubsub/composer.json
+++ b/functions/helloworld_pubsub/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": ">= 7.4",
+        "php": ">= 8.1",
         "cloudevents/sdk-php": "^1.0",
         "google/cloud-functions-framework": "^1.1"
     },
diff --git a/functions/helloworld_storage/SampleIntegrationTest.php b/functions/helloworld_storage/SampleIntegrationTest.php
index d7ead4402e..0216aed595 100644
--- a/functions/helloworld_storage/SampleIntegrationTest.php
+++ b/functions/helloworld_storage/SampleIntegrationTest.php
@@ -108,7 +108,7 @@ public static function startFunctionFramework(): void
         $uri = 'localhost:' . $port;
 
         // https://symfony.com/doc/current/components/process.html#usage
-        self::$process = new Process([$php, '-S', $uri, 'vendor/bin/router.php'], null, [
+        self::$process = new Process([$php, '-S', $uri, 'vendor/google/cloud-functions-framework/router.php'], null, [
             'FUNCTION_SIGNATURE_TYPE' => 'cloudevent',
             'FUNCTION_TARGET' => 'helloGCS',
         ]);
diff --git a/functions/helloworld_storage/composer.json b/functions/helloworld_storage/composer.json
index cf57118539..1e869f6f7b 100644
--- a/functions/helloworld_storage/composer.json
+++ b/functions/helloworld_storage/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": ">= 7.4",
+        "php": ">= 8.1",
         "google/cloud-functions-framework": "^1.1"
     },
     "scripts": {
diff --git a/functions/http_content_type/index.php b/functions/http_content_type/index.php
index 6ea1c76c14..fc307df3e0 100644
--- a/functions/http_content_type/index.php
+++ b/functions/http_content_type/index.php
@@ -26,30 +26,30 @@ function helloContent(ServerRequestInterface $request): string
     switch ($request->getHeaderLine('content-type')) {
         // '{"name":"John"}'
         case 'application/json':
-          if (!empty($body)) {
-              $json = json_decode($body, true);
-              if (json_last_error() != JSON_ERROR_NONE) {
-                  throw new RuntimeException(sprintf(
-                      'Could not parse body: %s',
-                      json_last_error_msg()
-                  ));
-              }
-              $name = $json['name'] ?? $name;
-          }
-          break;
-        // 'John', stored in a stream
+            if (!empty($body)) {
+                $json = json_decode($body, true);
+                if (json_last_error() != JSON_ERROR_NONE) {
+                    throw new RuntimeException(sprintf(
+                        'Could not parse body: %s',
+                        json_last_error_msg()
+                    ));
+                }
+                $name = $json['name'] ?? $name;
+            }
+            break;
+            // 'John', stored in a stream
         case 'application/octet-stream':
-          $name = $body;
-          break;
-        // 'John'
+            $name = $body;
+            break;
+            // 'John'
         case 'text/plain':
-          $name = $body;
-          break;
-        // 'name=John' in the body of a POST request (not the URL)
+            $name = $body;
+            break;
+            // 'name=John' in the body of a POST request (not the URL)
         case 'application/x-www-form-urlencoded':
-          parse_str($body, $data);
-          $name = $data['name'] ?? $name;
-          break;
+            parse_str($body, $data);
+            $name = $data['name'] ?? $name;
+            break;
     }
 
     return sprintf('Hello %s!', htmlspecialchars($name));
diff --git a/functions/response_streaming/index.php b/functions/response_streaming/index.php
index b1ce5b8c99..c57051529d 100644
--- a/functions/response_streaming/index.php
+++ b/functions/response_streaming/index.php
@@ -27,7 +27,7 @@ function streamBigQuery(ServerRequestInterface $request)
     $bigQuery = new BigQueryClient(['projectId' => $projectId]);
     $queryJobConfig = $bigQuery->query(
         'SELECT abstract FROM `bigquery-public-data.breathe.bioasq` LIMIT 1000'
-        );
+    );
     $queryResults = $bigQuery->runQuery($queryJobConfig);
 
     // Stream out large payload by iterating rows and flushing output.
diff --git a/functions/typed_greeting/composer.json b/functions/typed_greeting/composer.json
index 6655c8e40e..67aa01e363 100644
--- a/functions/typed_greeting/composer.json
+++ b/functions/typed_greeting/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": ">= 7.4",
+        "php": ">= 8.1",
         "google/cloud-functions-framework": "^1.3"
     },
     "scripts": {
diff --git a/run/helloworld/Dockerfile b/run/helloworld/Dockerfile
index 8f4c82cbb1..f5be737703 100644
--- a/run/helloworld/Dockerfile
+++ b/run/helloworld/Dockerfile
@@ -17,7 +17,7 @@
 
 # Use the official PHP image.
 # https://hub.docker.com/_/php
-FROM php:8.0-apache
+FROM php:8.1-apache
 
 # Configure PHP for Cloud Run.
 # Precompile PHP code with opcache.
diff --git a/run/laravel/README.md b/run/laravel/README.md
index a3f33122fe..04f18d8e22 100644
--- a/run/laravel/README.md
+++ b/run/laravel/README.md
@@ -2,7 +2,7 @@
 
 This sample shows you how to deploy Laravel on Cloud Run, connecting to a Cloud SQL database, and using Secret Manager for credential management.
 
-The deployed example will be a simple CRUD application listing products, and a customised Laravel welcome page showing the deployment information. 
+The deployed example will be a simple CRUD application listing products, and a customised Laravel welcome page showing the deployment information.
 
 ![Laravel Demo Screenshot](laravel-demo-screenshot.png)
 
@@ -16,7 +16,7 @@ In this tutorial, you will:
 * Deploy a Laravel app to Cloud Run.
 * Host static files on Cloud Storage.
 * Use Cloud Build to automate deployment.
-* Use Cloud Run Jobs to apply database migrations. 
+* Use Cloud Run Jobs to apply database migrations.
 
 ## Costs
 
@@ -52,7 +52,7 @@ This tutorial uses the following billable components of Google Cloud:
 
 ## Prepare your environment
 
-* Clone a copy of the code into your local machine; 
+* Clone a copy of the code into your local machine;
 
     ```bash
     git clone https://github.com/GoogleCloudPlatform/php-docs-samples.git
@@ -63,19 +63,19 @@ This tutorial uses the following billable components of Google Cloud:
 
 You will need PHP on your local system in order to run `php artisan` commands later.
 
-* Check you have PHP 8.0.2 or higher installed (or [install it](https://www.php.net/manual/en/install.php)):
+* Check you have PHP 8.1 or higher installed (or [install it](https://www.php.net/manual/en/install.php)):
 
     ```bash
     php --version
     ```
 
-* Check you have `composer` installed (or [install it](https://getcomposer.org/download/)): 
+* Check you have `composer` installed (or [install it](https://getcomposer.org/download/)):
 
     ```bash
     composer --version
     ```
 
-* Install the PHP dependencies: 
+* Install the PHP dependencies:
 
     ```bash
     composer install
@@ -83,7 +83,7 @@ You will need PHP on your local system in order to run `php artisan` commands la
 
 ## Confirm your Node setup
 
-You will need Node on your local system in order to generate static assets later. 
+You will need Node on your local system in order to generate static assets later.
 
 * Check you have node and npm installed (or [install them](https://cloud.google.com/nodejs/docs/setup)):
 
@@ -93,7 +93,7 @@ You will need Node on your local system in order to generate static assets later
     ```
 
 
-* Install the Node dependencies: 
+* Install the Node dependencies:
 
     ```bash
     npm install
@@ -102,7 +102,7 @@ You will need Node on your local system in order to generate static assets later
 
 ## Preparing backing services
 
-There are many variables in this tutorial. Set these early to help with copying code snippets: 
+There are many variables in this tutorial. Set these early to help with copying code snippets:
 
 ```
 export PROJECT_ID=$(gcloud config get-value project)
@@ -111,13 +111,13 @@ export REGION=us-central1
 export INSTANCE_NAME=myinstance
 export DATABASE_NAME=mydatabase
 export DATABASE_USERNAME=myuser
-export DATABASE_PASSWORD=$(cat /dev/urandom | LC_ALL=C tr -dc '[:alpha:]'| fold -w 30 | head -n1) 
+export DATABASE_PASSWORD=$(cat /dev/urandom | LC_ALL=C tr -dc '[:alpha:]'| fold -w 30 | head -n1)
 export ASSET_BUCKET=${PROJECT_ID}-static
 ```
 
 ### Cloud SQL
 
-* Create a MySQL instance: 
+* Create a MySQL instance:
 
     ```bash
     gcloud sql instances create ${INSTANCE_NAME} \
@@ -129,14 +129,14 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
     Note: if this operation takes longer than 10 minutes to complete, run the suggested `gcloud beta sql operations wait` command to track ongoing progress.
 
-* Create a database in that MySQL instance: 
+* Create a database in that MySQL instance:
 
     ```bash
     gcloud sql databases create ${DATABASE_NAME} \
         --instance ${INSTANCE_NAME}
     ```
 
-* Create a user for the database: 
+* Create a user for the database:
 
     ```bash
     gcloud sql users create ${DATABASE_USERNAME} \
@@ -147,7 +147,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 ### Setup Cloud Storage
 
 
-* Create a Cloud Storage bucket: 
+* Create a Cloud Storage bucket:
 
     ```bash
     gsutil mb gs://${ASSET_BUCKET}
@@ -155,7 +155,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
 ### Setup Artifact Registry
 
-* Create an Artifact Registry: 
+* Create an Artifact Registry:
 
     ```bash
     gcloud artifacts repositories create containers \
@@ -163,7 +163,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
         --location=${REGION}
     ```
 
-* Determine the registry name for future operations: 
+* Determine the registry name for future operations:
 
     ```bash
     export REGISTRY_NAME=${REGION}-docker.pkg.dev/${PROJECT_ID}/containers
@@ -177,8 +177,8 @@ export ASSET_BUCKET=${PROJECT_ID}-static
     cp .env.example .env
     ```
 
-* Update the values in `.env` with your values. 
-    
+* Update the values in `.env` with your values.
+
     ⚠️ Replace `${}` with your values, don't use the literals. Get these values with e.g. `echo ${DATABASE_NAME}`
 
     * DB_CONNECTION: `mysql`
@@ -190,7 +190,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
     Note: `ASSET_URL` is generated from `ASSET_BUCKET` and doesn't need to be hardcoded.
 
-* Update the `APP_KEY` by generating a new key: 
+* Update the `APP_KEY` by generating a new key:
     ```bash
     php artisan key:generate
     ```
@@ -199,7 +199,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
 ### Store secret values in Secret Manager
 
-* Create a secret with the value of your `.env` file: 
+* Create a secret with the value of your `.env` file:
 
     ```bash
     gcloud secrets create laravel_settings --data-file .env
@@ -207,7 +207,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
 ### Configure access to the secret
 
-* Allow Cloud Run access to the secret: 
+* Allow Cloud Run access to the secret:
 
     ```bash
     gcloud secrets add-iam-policy-binding laravel_settings \
@@ -219,7 +219,7 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
 ### Build the app into a container
 
-* Using Cloud Build and Google Cloud Buildpacks, create the container image: 
+* Using Cloud Build and Google Cloud Buildpacks, create the container image:
 
     ```bash
     gcloud builds submit \
@@ -228,9 +228,9 @@ export ASSET_BUCKET=${PROJECT_ID}-static
 
 ### Applying database migrations
 
-With Cloud Run Jobs, you can use the same container from your service to perform administration tasks, such as database migrations. 
+With Cloud Run Jobs, you can use the same container from your service to perform administration tasks, such as database migrations.
 
-The configuration is similar to the deployment to Cloud Run, requiring the database and secret values. 
+The configuration is similar to the deployment to Cloud Run, requiring the database and secret values.
 
 1. Create a Cloud Run job to apply database migrations:
 
@@ -250,22 +250,22 @@ The configuration is similar to the deployment to Cloud Run, requiring the datab
     gcloud run jobs execute migrate --region ${REGION} --wait
     ```
 
-* Confirm the application of database migrations by clicking the "See logs for this execution" link. 
+* Confirm the application of database migrations by clicking the "See logs for this execution" link.
 
-  * You should see "INFO Running migrations." with multiple items labelled "DONE". 
+  * You should see "INFO Running migrations." with multiple items labelled "DONE".
   * You should also see "Container called exit(0).", where `0` is the exit code for success.
 
 ### Upload static assets
 
-Using the custom `npm` command, you can use `vite` to compile and `gsutil` to copy the assets from your application to Cloud Storage. 
+Using the custom `npm` command, you can use `vite` to compile and `gsutil` to copy the assets from your application to Cloud Storage.
 
-* Upload static assets: 
+* Upload static assets:
 
     ```bash
     npm run update-static
     ```
 
-    This command uses the `update-static` script in `package.json`. 
+    This command uses the `update-static` script in `package.json`.
 
 * Confirm the output of this operation
 
@@ -273,7 +273,7 @@ Using the custom `npm` command, you can use `vite` to compile and `gsutil` to co
 
 ### Deploy the service to Cloud Run
 
-1. Deploy the service from the previously created image, specifying the database connection and secret configuration: 
+1. Deploy the service from the previously created image, specifying the database connection and secret configuration:
 
     ```bash
     gcloud run deploy laravel \
@@ -288,20 +288,20 @@ Using the custom `npm` command, you can use `vite` to compile and `gsutil` to co
 
 1. Go to the Service URL to view the website.
 
-1. Confirm the information in the lower right of the Laravel welcome screen. 
+1. Confirm the information in the lower right of the Laravel welcome screen.
 
    * You should see a variation of "Laravel v9... (PHP v8...)" (the exact version of Laravel and PHP may change)
    * You should see the a variation of "Service: laravel. Revision laravel-00001-vid." (the revision name ends in three random characters, which will differ for every deployment)
-   * You should see "Project: (your project). Region (your region)." 
+   * You should see "Project: (your project). Region (your region)."
 
-1. Click on the "demo products" link, and create some entries. 
+1. Click on the "demo products" link, and create some entries.
 
-   * You should be able to see a styled page, confirming static assets are being served. 
-You should be able to write entries to the database, and read them back again, confirming database connectivity. 
+   * You should be able to see a styled page, confirming static assets are being served.
+You should be able to write entries to the database, and read them back again, confirming database connectivity.
 
 ## Updating the application
 
-While the initial provisioning and deployment steps were complex, making updates is a simpler process. 
+While the initial provisioning and deployment steps were complex, making updates is a simpler process.
 
 To make changes: build the container (to capture any new application changes), then update the service to use this new container image:
 
@@ -318,7 +318,7 @@ To apply application code changes, update the Cloud Run service with this new co
         --region ${REGION}
     ```
 
-    Note: you do not have to re-assert the database or secret settings on future deployments, unless you want to change these values. 
+    Note: you do not have to re-assert the database or secret settings on future deployments, unless you want to change these values.
 
 To apply database migrations, run the Cloud Run job using the newly built container:
 
@@ -328,7 +328,7 @@ To apply database migrations, run the Cloud Run job using the newly built contai
 
     Note: To generate new migrations to apply, you will need to run `php artisan make:migration` in a local development environment.
 
-To update static assets, run the custom npm command from earlier: 
+To update static assets, run the custom npm command from earlier:
 
     ```bash
     npm run update-static
@@ -339,15 +339,15 @@ To update static assets, run the custom npm command from earlier:
 
 ### Database migrations
 
-This tutorial opts to use Cloud Run Jobs to process database applications in an environment where connections to Cloud SQL can be done in a safe and secure manner. 
+This tutorial opts to use Cloud Run Jobs to process database applications in an environment where connections to Cloud SQL can be done in a safe and secure manner.
 
-This operation could be done on the user's local machine, which would require the installation and use of [Cloud SQL Auth Proxy](https://cloud.google.com/sql/docs/mysql/sql-proxy). Using Cloud Run Jobs removes that complexity. 
+This operation could be done on the user's local machine, which would require the installation and use of [Cloud SQL Auth Proxy](https://cloud.google.com/sql/docs/mysql/sql-proxy). Using Cloud Run Jobs removes that complexity.
 
 ### Static compilation
 
-This tutorial opts to use the user's local machine for compiling and uploading static assets. While this could be done in Cloud Run Jobs, this would require building a container with both PHP and NodeJS runtimes. Because NodeJS isn't required for running the service, this isn't required to be in the container. 
+This tutorial opts to use the user's local machine for compiling and uploading static assets. While this could be done in Cloud Run Jobs, this would require building a container with both PHP and NodeJS runtimes. Because NodeJS isn't required for running the service, this isn't required to be in the container.
 
-### Secrets access 
+### Secrets access
 
 `bootstrap/app.php` includes code to load the mounted secrets, if the folder has been mounted. This relates to the `--set-secrets` command used earlier.  (Look for the `cloudrun_laravel_secret_manager_mount` tag.)
 
diff --git a/run/laravel/composer.json b/run/laravel/composer.json
index 839b8d4c9f..9ec37e4b6b 100644
--- a/run/laravel/composer.json
+++ b/run/laravel/composer.json
@@ -5,7 +5,7 @@
     "keywords": ["framework", "laravel"],
     "license": "MIT",
     "require": {
-        "php": "^8.0.2",
+        "php": "^8.1",
         "google/auth": "^1.24",
         "google/cloud-core": "^1.46",
         "guzzlehttp/guzzle": "^7.2",
diff --git a/servicedirectory/README.md b/servicedirectory/README.md
index 1762476091..f7d2629bec 100644
--- a/servicedirectory/README.md
+++ b/servicedirectory/README.md
@@ -55,7 +55,7 @@ PHP Fatal error:  Uncaught Error: Call to undefined function Google\Protobuf\Int
 You may need to install the bcmath PHP extension.
 e.g. (may depend on your php version)
 ```
-$ sudo apt-get install php8.0-bcmath
+$ sudo apt-get install php8.1-bcmath
 ```
 
 
diff --git a/spanner/src/admin/archived/alter_sequence.php b/spanner/src/admin/archived/alter_sequence.php
index 05ea5bd84b..f936c6482e 100644
--- a/spanner/src/admin/archived/alter_sequence.php
+++ b/spanner/src/admin/archived/alter_sequence.php
@@ -40,7 +40,7 @@
 function alter_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/alter_table_with_foreign_key_delete_cascade.php b/spanner/src/admin/archived/alter_table_with_foreign_key_delete_cascade.php
index 17b6e3e667..b99701c91d 100644
--- a/spanner/src/admin/archived/alter_table_with_foreign_key_delete_cascade.php
+++ b/spanner/src/admin/archived/alter_table_with_foreign_key_delete_cascade.php
@@ -39,7 +39,7 @@
 function alter_table_with_foreign_key_delete_cascade(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/create_sequence.php b/spanner/src/admin/archived/create_sequence.php
index f4ff6d0cd0..1abcf771a1 100644
--- a/spanner/src/admin/archived/create_sequence.php
+++ b/spanner/src/admin/archived/create_sequence.php
@@ -40,7 +40,7 @@
 function create_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/create_table_with_foreign_key_delete_cascade.php b/spanner/src/admin/archived/create_table_with_foreign_key_delete_cascade.php
index 5117cc722e..34c102d358 100644
--- a/spanner/src/admin/archived/create_table_with_foreign_key_delete_cascade.php
+++ b/spanner/src/admin/archived/create_table_with_foreign_key_delete_cascade.php
@@ -39,7 +39,7 @@
 function create_table_with_foreign_key_delete_cascade(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/drop_foreign_key_constraint_delete_cascade.php b/spanner/src/admin/archived/drop_foreign_key_constraint_delete_cascade.php
index e77f97bb1d..255c0603c9 100644
--- a/spanner/src/admin/archived/drop_foreign_key_constraint_delete_cascade.php
+++ b/spanner/src/admin/archived/drop_foreign_key_constraint_delete_cascade.php
@@ -39,7 +39,7 @@
 function drop_foreign_key_constraint_delete_cascade(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/drop_sequence.php b/spanner/src/admin/archived/drop_sequence.php
index a2faca07b1..85b4028b3a 100644
--- a/spanner/src/admin/archived/drop_sequence.php
+++ b/spanner/src/admin/archived/drop_sequence.php
@@ -39,7 +39,7 @@
 function drop_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/pg_alter_sequence.php b/spanner/src/admin/archived/pg_alter_sequence.php
index 19336abf5b..cc7943406b 100644
--- a/spanner/src/admin/archived/pg_alter_sequence.php
+++ b/spanner/src/admin/archived/pg_alter_sequence.php
@@ -40,7 +40,7 @@
 function pg_alter_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/pg_create_sequence.php b/spanner/src/admin/archived/pg_create_sequence.php
index 2ab15f214f..4cb3521436 100644
--- a/spanner/src/admin/archived/pg_create_sequence.php
+++ b/spanner/src/admin/archived/pg_create_sequence.php
@@ -40,7 +40,7 @@
 function pg_create_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/admin/archived/pg_drop_sequence.php b/spanner/src/admin/archived/pg_drop_sequence.php
index 9dc6274d59..a0032a3fe5 100644
--- a/spanner/src/admin/archived/pg_drop_sequence.php
+++ b/spanner/src/admin/archived/pg_drop_sequence.php
@@ -39,7 +39,7 @@
 function pg_drop_sequence(
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
     $database = $instance->database($databaseId);
diff --git a/spanner/src/alter_table_with_foreign_key_delete_cascade.php b/spanner/src/alter_table_with_foreign_key_delete_cascade.php
index 9b87267cee..6862b8aafd 100644
--- a/spanner/src/alter_table_with_foreign_key_delete_cascade.php
+++ b/spanner/src/alter_table_with_foreign_key_delete_cascade.php
@@ -42,7 +42,7 @@ function alter_table_with_foreign_key_delete_cascade(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
     $databaseName = DatabaseAdminClient::databaseName($projectId, $instanceId, $databaseId);
 
diff --git a/spanner/src/create_table_with_foreign_key_delete_cascade.php b/spanner/src/create_table_with_foreign_key_delete_cascade.php
index 91e945f65a..eaf43bf839 100644
--- a/spanner/src/create_table_with_foreign_key_delete_cascade.php
+++ b/spanner/src/create_table_with_foreign_key_delete_cascade.php
@@ -42,7 +42,7 @@ function create_table_with_foreign_key_delete_cascade(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
     $databaseName = DatabaseAdminClient::databaseName($projectId, $instanceId, $databaseId);
 
diff --git a/spanner/src/drop_foreign_key_constraint_delete_cascade.php b/spanner/src/drop_foreign_key_constraint_delete_cascade.php
index ec637eee0e..6b30553124 100644
--- a/spanner/src/drop_foreign_key_constraint_delete_cascade.php
+++ b/spanner/src/drop_foreign_key_constraint_delete_cascade.php
@@ -42,7 +42,7 @@ function drop_foreign_key_constraint_delete_cascade(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
     $databaseName = DatabaseAdminClient::databaseName($projectId, $instanceId, $databaseId);
 
diff --git a/spanner/src/drop_sequence.php b/spanner/src/drop_sequence.php
index 5436afdde2..2e3cd11dfd 100644
--- a/spanner/src/drop_sequence.php
+++ b/spanner/src/drop_sequence.php
@@ -42,7 +42,7 @@ function drop_sequence(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
     $databaseName = DatabaseAdminClient::databaseName($projectId, $instanceId, $databaseId);
 
diff --git a/spanner/src/pg_alter_sequence.php b/spanner/src/pg_alter_sequence.php
index e344da129c..7e25753625 100644
--- a/spanner/src/pg_alter_sequence.php
+++ b/spanner/src/pg_alter_sequence.php
@@ -44,7 +44,7 @@ function pg_alter_sequence(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
     $spanner = new SpannerClient();
     $instance = $spanner->instance($instanceId);
diff --git a/spanner/src/pg_drop_sequence.php b/spanner/src/pg_drop_sequence.php
index dfd3234a03..e78200713a 100644
--- a/spanner/src/pg_drop_sequence.php
+++ b/spanner/src/pg_drop_sequence.php
@@ -42,9 +42,8 @@ function pg_drop_sequence(
     string $projectId,
     string $instanceId,
     string $databaseId
-    ): void {
+): void {
     $databaseAdminClient = new DatabaseAdminClient();
-
     $databaseName = DatabaseAdminClient::databaseName($projectId, $instanceId, $databaseId);
     $statements = [
         'ALTER TABLE Customers ALTER COLUMN CustomerId DROP DEFAULT',
diff --git a/storage/src/print_bucket_website_configuration.php b/storage/src/print_bucket_website_configuration.php
index 823de6c542..6c5da3dbc6 100644
--- a/storage/src/print_bucket_website_configuration.php
+++ b/storage/src/print_bucket_website_configuration.php
@@ -41,9 +41,9 @@ function print_bucket_website_configuration(string $bucketName): void
         printf('Bucket website configuration not set' . PHP_EOL);
     } else {
         printf(
-          'Index page: %s' . PHP_EOL . '404 page: %s' . PHP_EOL,
-          $info['website']['mainPageSuffix'],
-          $info['website']['notFoundPage'],
+            'Index page: %s' . PHP_EOL . '404 page: %s' . PHP_EOL,
+            $info['website']['mainPageSuffix'],
+            $info['website']['notFoundPage'],
         );
     }
 }
diff --git a/testing/composer.json b/testing/composer.json
index a39308fd69..8ca6b9699b 100755
--- a/testing/composer.json
+++ b/testing/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": "^8.0"
+        "php": "^8.1"
     },
     "require-dev": {
         "bshaffer/phpunit-retry-annotations": "^0.3.0",
@@ -8,7 +8,7 @@
         "google/cloud-tools": "dev-main",
         "guzzlehttp/guzzle": "^7.0",
         "phpunit/phpunit": "^9.0",
-        "friendsofphp/php-cs-fixer": "^3,<3.9",
+        "friendsofphp/php-cs-fixer": "^3.29",
         "composer/semver": "^3.2",
         "phpstan/phpstan": "^1.10",
         "phpspec/prophecy-phpunit": "^2.0"