diff --git a/php/example_code/class_examples/CommandPool.php b/php/example_code/class_examples/CommandPool.php
index d3aa06993d0..36feac6a10b 100644
--- a/php/example_code/class_examples/CommandPool.php
+++ b/php/example_code/class_examples/CommandPool.php
@@ -37,7 +37,7 @@
 
 $s3Service = new S3Service($client, true);
 
-$bucket = 'my-bucket-' . uniqid(); // This bucket will be deleted at the end of this example.
+$bucket = 'amzn-s3-demo-bucket-' . uniqid(); // This bucket will be deleted at the end of this example.
 
 $client->createBucket([
     "Bucket" => $bucket,
diff --git a/php/example_code/cloudfront/CreateDistributionS3.php b/php/example_code/cloudfront/CreateDistributionS3.php
index 7cdae2b0856..edc47482a15 100644
--- a/php/example_code/cloudfront/CreateDistributionS3.php
+++ b/php/example_code/cloudfront/CreateDistributionS3.php
@@ -50,7 +50,7 @@ function createS3Distribution($cloudFrontClient, $distribution)
 function createsTheS3Distribution()
 {
     $originName = 'my-unique-origin-name';
-    $s3BucketURL = 'my-bucket-name.s3.amazonaws.com';
+    $s3BucketURL = 'amzn-s3-demo-bucket.s3.amazonaws.com';
     $callerReference = 'my-unique-caller-reference';
     $comment = 'my-comment-about-this-distribution';
     $defaultCacheBehavior = [
diff --git a/php/example_code/cloudfront/old_tests/CreateDistributionS3Test.php b/php/example_code/cloudfront/old_tests/CreateDistributionS3Test.php
index 2a65bf09728..8cf9991a45c 100644
--- a/php/example_code/cloudfront/old_tests/CreateDistributionS3Test.php
+++ b/php/example_code/cloudfront/old_tests/CreateDistributionS3Test.php
@@ -24,7 +24,7 @@ public function testCreatesAnS3Distribution()
         require(__DIR__ . '/../CreateDistributionS3.php');
 
         $originName = 'my-unique-origin-name';
-        $s3BucketURL = 'my-bucket-name.s3.amazonaws.com';
+        $s3BucketURL = 'amzn-s3-demo-bucket.s3.amazonaws.com';
         $callerReference = 'my-unique-caller-reference';
         $comment = 'my-comment-about-this-distribution';
         $defaultCacheBehavior = [
diff --git a/php/example_code/cloudfront/old_tests/DisableDistributionS3Test.php b/php/example_code/cloudfront/old_tests/DisableDistributionS3Test.php
index 4f33c89bdfe..6171756575a 100644
--- a/php/example_code/cloudfront/old_tests/DisableDistributionS3Test.php
+++ b/php/example_code/cloudfront/old_tests/DisableDistributionS3Test.php
@@ -82,7 +82,7 @@ protected function setUp(): void
             'Origins' => [
                 'Items' => [
                     [
-                        'DomainName' => 'my-bucket-name.s3.amazonaws.com',
+                        'DomainName' => 'amzn-s3-demo-bucket.s3.amazonaws.com',
                         'Id' => 'my-unique-origin-name',
                         'OriginPath' => '',
                         'CustomHeaders' => [
diff --git a/php/example_code/cloudfront/old_tests/UpdateDistributionS3Test.php b/php/example_code/cloudfront/old_tests/UpdateDistributionS3Test.php
index addaac43567..c6e0527f8fb 100644
--- a/php/example_code/cloudfront/old_tests/UpdateDistributionS3Test.php
+++ b/php/example_code/cloudfront/old_tests/UpdateDistributionS3Test.php
@@ -82,7 +82,7 @@ protected function setUp(): void
             'Origins' => [
                 'Items' => [
                     [
-                        'DomainName' => 'my-bucket-name.s3.amazonaws.com',
+                        'DomainName' => 'amzn-s3-demo-bucket.s3.amazonaws.com',
                         'Id' => 'my-unique-origin-name',
                         'OriginPath' => '',
                         'CustomHeaders' => [
diff --git a/php/example_code/cloudwatch/DescribeAlarmsForMetric.php b/php/example_code/cloudwatch/DescribeAlarmsForMetric.php
index 8e7640aa74e..859d9f5c174 100644
--- a/php/example_code/cloudwatch/DescribeAlarmsForMetric.php
+++ b/php/example_code/cloudwatch/DescribeAlarmsForMetric.php
@@ -79,7 +79,7 @@ function describeTheAlarmsForMetric()
         ],
         [
             'Name' => 'BucketName',
-            'Value' => 'my-bucket'
+            'Value' => 'amzn-s3-demo-bucket'
         ]
     ];
 
diff --git a/php/example_code/cloudwatch/GetMetricStatistics.php b/php/example_code/cloudwatch/GetMetricStatistics.php
index 80721d05f4d..8571f212332 100644
--- a/php/example_code/cloudwatch/GetMetricStatistics.php
+++ b/php/example_code/cloudwatch/GetMetricStatistics.php
@@ -147,7 +147,7 @@ function getTheMetricStatistics()
         ],
         [
             'Name' => 'BucketName',
-            'Value' => 'my-bucket'
+            'Value' => 'amzn-s3-demo-bucket'
         ]
     ];
     $startTime = strtotime('-3 days');
diff --git a/php/example_code/cloudwatch/old_tests/DescribeAlarmsForMetricTest.php b/php/example_code/cloudwatch/old_tests/DescribeAlarmsForMetricTest.php
index a9cf3445a5b..92bc92e72fa 100644
--- a/php/example_code/cloudwatch/old_tests/DescribeAlarmsForMetricTest.php
+++ b/php/example_code/cloudwatch/old_tests/DescribeAlarmsForMetricTest.php
@@ -32,7 +32,7 @@ public function testDescribesAlarmsForAMetric()
             ],
             [
                 'Name' => 'BucketName',
-                'Value' => 'my-bucket'
+                'Value' => 'amzn-s3-demo-bucket'
             ]
         ];
 
diff --git a/php/example_code/lambda/GettingStartedWithLambda.php b/php/example_code/lambda/GettingStartedWithLambda.php
index bcd965466e2..3b1d4760d31 100644
--- a/php/example_code/lambda/GettingStartedWithLambda.php
+++ b/php/example_code/lambda/GettingStartedWithLambda.php
@@ -53,7 +53,7 @@ public function run()
         echo "Attached the AWSLambdaBasicExecutionRole to {$role['RoleName']}.\n";
 
         echo "\nNow let's create an S3 bucket and upload our Lambda code there.\n";
-        $bucketName = "test-example-bucket-$uniqid";
+        $bucketName = "amzn-s3-demo-bucket-$uniqid";
         $s3client->createBucket([
             'Bucket' => $bucketName,
         ]);
diff --git a/php/example_code/lambda/tests/LambdaTest.php b/php/example_code/lambda/tests/LambdaTest.php
index 42349d34bf0..80396b5e520 100644
--- a/php/example_code/lambda/tests/LambdaTest.php
+++ b/php/example_code/lambda/tests/LambdaTest.php
@@ -53,7 +53,7 @@ public function testSingleActionCalls()
                 }
             ]
         }";
-        $bucketName = "test-example-bucket-$uniqid";
+        $bucketName = "amzn-s3-demo-bucket-$uniqid";
         $this->s3client->createBucket([
             'Bucket' => $bucketName,
         ]);
diff --git a/php/example_code/s3/CreateBucket.php b/php/example_code/s3/CreateBucket.php
index 4a88c74eb85..6a8fd8816bb 100644
--- a/php/example_code/s3/CreateBucket.php
+++ b/php/example_code/s3/CreateBucket.php
@@ -46,7 +46,7 @@ function createTheBucket()
         'version' => '2006-03-01'
     ]);
 
-    echo createBucket($s3Client, 'my-bucket');
+    echo createBucket($s3Client, 'amzn-s3-demo-bucket');
 }
 
 // Uncomment the following line to run this code in an AWS account.
diff --git a/php/example_code/s3/ErrorHandling.php b/php/example_code/s3/ErrorHandling.php
index 473206424dc..70c22cc3774 100644
--- a/php/example_code/s3/ErrorHandling.php
+++ b/php/example_code/s3/ErrorHandling.php
@@ -33,7 +33,7 @@
 $s3Client = $sdk->createS3();
 
 try {
-    $s3Client->createBucket(['Bucket' => 'my-bucket']);
+    $s3Client->createBucket(['Bucket' => 'amzn-s3-demo-bucket']);
 } catch (S3Exception $e) {
     // Catch an S3 specific exception.
     echo $e->getMessage();
@@ -53,7 +53,7 @@
 // snippet-start:[s3.php.error_handling.async]
 //Asynchronous Error Handling
 // snippet-start:[s3.php.error_handling.promise]
-$promise = $s3Client->createBucketAsync(['Bucket' => 'my-bucket']);
+$promise = $s3Client->createBucketAsync(['Bucket' => 'amzn-s3-demo-bucket']);
 // snippet-end:[s3.php.error_handling.promise]
 $promise->otherwise(function ($reason) {
     var_dump($reason);
diff --git a/php/example_code/s3/PutObjectServiceOperations.php b/php/example_code/s3/PutObjectServiceOperations.php
index 0afd035e918..49319666234 100644
--- a/php/example_code/s3/PutObjectServiceOperations.php
+++ b/php/example_code/s3/PutObjectServiceOperations.php
@@ -36,14 +36,14 @@
 
 // Send a PutObject request and get the result object.
 $result = $s3Client->putObject([
-    'Bucket' => 'my-bucket',
+    'Bucket' => 'amzn-s3-demo-bucket',
     'Key' => 'my-key',
     'Body' => 'this is the body!'
 ]);
 
 // Download the contents of the object.
 $result = $s3Client->getObject([
-    'Bucket' => 'my-bucket',
+    'Bucket' => 'amzn-s3-demo-bucket',
     'Key' => 'my-key'
 ]);
 
diff --git a/php/example_code/s3/s3BucketAcl.php b/php/example_code/s3/s3BucketAcl.php
index 539cdd8ff04..cd8f4e4100b 100644
--- a/php/example_code/s3/s3BucketAcl.php
+++ b/php/example_code/s3/s3BucketAcl.php
@@ -26,7 +26,7 @@
 ]);
 
 // Gets the access control policy for a bucket
-$bucket = 'my-s3-bucket';
+$bucket = 'amzn-s3-demo-bucket';
 try {
     $resp = $s3Client->getBucketAcl([
         'Bucket' => $bucket
diff --git a/php/example_code/s3/s3BucketPolicy.php b/php/example_code/s3/s3BucketPolicy.php
index 4124cb55ca4..10e81cf7814 100644
--- a/php/example_code/s3/s3BucketPolicy.php
+++ b/php/example_code/s3/s3BucketPolicy.php
@@ -25,7 +25,7 @@
     'version' => '2006-03-01'
 ]);
 
-$bucket = 'my-s3-bucket';
+$bucket = 'amzn-s3-demo-bucket';
 
 // Get the policy of a specific bucket
 try {
diff --git a/php/example_code/s3/s3ObjectAcl.php b/php/example_code/s3/s3ObjectAcl.php
index 76f62bbbdb0..8f25fc3d2ab 100644
--- a/php/example_code/s3/s3ObjectAcl.php
+++ b/php/example_code/s3/s3ObjectAcl.php
@@ -19,7 +19,7 @@
 ]);
 
 // Gets the access control list (ACL) of an object.
-$bucket = 'my-s3-bucket';
+$bucket = 'amzn-s3-demo-bucket';
 $key = 'my-object';
 try {
     $resp = $s3Client->getObjectAcl([
diff --git a/php/example_code/s3/s3WebHost.php b/php/example_code/s3/s3WebHost.php
index 28aa3581891..667e8765d88 100644
--- a/php/example_code/s3/s3WebHost.php
+++ b/php/example_code/s3/s3WebHost.php
@@ -26,7 +26,7 @@
 ]);
 
 // Retrieving the Bucket Website Configuration
-$bucket = 'my-s3-bucket';
+$bucket = 'amzn-s3-demo-bucket';
 try {
     $resp = $s3Client->getBucketWebsite([
         'Bucket' => $bucket