diff --git a/kms/quickstart/composer.json b/kms/quickstart/composer.json
new file mode 100644
index 0000000000..c46a3428d4
--- /dev/null
+++ b/kms/quickstart/composer.json
@@ -0,0 +1,5 @@
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diff --git a/kms/quickstart/composer.lock b/kms/quickstart/composer.lock
new file mode 100644
index 0000000000..2a5e3c1c3b
--- /dev/null
+++ b/kms/quickstart/composer.lock
@@ -0,0 +1,687 @@
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+                "graylog2/gelf-php": "~1.0",
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+                "php-amqplib/php-amqplib": "Allow sending log messages to an AMQP server using php-amqplib",
+                "php-console/php-console": "Allow sending log messages to Google Chrome",
+                "rollbar/rollbar": "Allow sending log messages to Rollbar",
+                "ruflin/elastica": "Allow sending log messages to an Elastic Search server",
+                "sentry/sentry": "Allow sending log messages to a Sentry server"
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+            "license": [
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+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
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+            "description": "Sends your logs to files, sockets, inboxes, databases and various web services",
+            "homepage": "https://github.com/Seldaek/monolog",
+            "keywords": [
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+                "logging",
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+            "time": "2016-11-26 00:15:39"
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+                "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
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+                    "role": "Lead Developer"
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+                {
+                    "name": "Patrick Monnerat",
+                    "email": "pm@datasphere.ch",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Andreas Fischer",
+                    "email": "bantu@phpbb.com",
+                    "role": "Developer"
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+                {
+                    "name": "Hans-Jürgen Petrich",
+                    "email": "petrich@tronic-media.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Graham Campbell",
+                    "email": "graham@alt-three.com",
+                    "role": "Developer"
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+            "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.",
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+                "twofish",
+                "x.509",
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+            "time": "2016-10-04 00:57:04"
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+            "description": "Common interface for caching libraries",
+            "keywords": [
+                "cache",
+                "psr",
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+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2016-08-06 14:39:51"
+        },
+        {
+            "name": "psr/log",
+            "version": "1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "Psr/Log/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "time": "2016-10-10 12:19:37"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/kms/quickstart/phpunit.xml.dist b/kms/quickstart/phpunit.xml.dist
new file mode 100644
index 0000000000..ddfe9dcb17
--- /dev/null
+++ b/kms/quickstart/phpunit.xml.dist
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Copyright 2017 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.
+-->
+<phpunit bootstrap="test/bootstrap.php">
+    <testsuites>
+        <testsuite name="Google Key Management Quickstart Tests">
+            <directory>test</directory>
+        </testsuite>
+    </testsuites>
+    <logging>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+    </logging>
+    <filter>
+        <whitelist>
+            <file>quickstart.php</file>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/kms/quickstart/quickstart.php b/kms/quickstart/quickstart.php
new file mode 100644
index 0000000000..243d43d6e9
--- /dev/null
+++ b/kms/quickstart/quickstart.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Copyright 2017 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.
+ */
+
+# [START kms_quickstart]
+// Includes the autoloader for libraries installed with composer
+require __DIR__ . '/vendor/autoload.php';
+
+// Your Google Cloud Platform project ID
+$projectId = 'YOUR_PROJECT_ID';
+
+// Lists keys in the "global" location.
+$location = 'global';
+
+# The resource name of the location associated with the KeyRings
+$parent = sprintf('projects/%s/locations/%s', $projectId, $location);
+
+// Instantiate the client
+$client = new Google_Client();
+
+// Authorize the client using Application Default Credentials
+// @see https://developers.google.com/identity/protocols/application-default-credentials
+$client->useApplicationDefaultCredentials();
+
+// Set the required scopes to access the Key Management Service API
+$client->setScopes(array(
+    'https://www.googleapis.com/auth/cloud-platform'
+));
+
+// Instantiate the Key Management Service API
+$kms = new Google_Service_CloudKMS($client);
+
+// list all key rings for your project
+$keyRings = $kms->projects_locations_keyRings->listProjectsLocationsKeyRings(
+    $projectId,
+    array('parent' => $parent)
+);
+
+// Print the key rings
+echo 'Key Rings: ' . PHP_EOL;
+foreach ($keyRings as $keyRing) {
+    echo $keyRing->name . PHP_EOL;
+}
+# [END kms_quickstart]
+return $keyRings;
diff --git a/kms/quickstart/test/bootstrap.php b/kms/quickstart/test/bootstrap.php
new file mode 100644
index 0000000000..f76545c73b
--- /dev/null
+++ b/kms/quickstart/test/bootstrap.php
@@ -0,0 +1,17 @@
+<?php
+/**
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+require_once __DIR__ . '/../vendor/autoload.php';
diff --git a/kms/quickstart/test/quickstartTest.php b/kms/quickstart/test/quickstartTest.php
new file mode 100644
index 0000000000..774a66374c
--- /dev/null
+++ b/kms/quickstart/test/quickstartTest.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * Copyright 2017 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+class quickstartTest extends PHPUnit_Framework_TestCase
+{
+    public function testQuickstart()
+    {
+        if (!$projectId = getenv('GOOGLE_PROJECT_ID')) {
+            $this->markTestSkipped('GOOGLE_PROJECT_ID must be set.');
+        }
+
+        $file = sys_get_temp_dir() . '/keymanagement_quickstart.php';
+        $contents = file_get_contents(__DIR__ . '/../quickstart.php');
+        $contents = str_replace(
+            ['YOUR_PROJECT_ID', '__DIR__'],
+            [$projectId, sprintf('"%s/.."', __DIR__)],
+            $contents
+        );
+        file_put_contents($file, $contents);
+
+        // Invoke quickstart.php
+        ob_start();
+        $keyRings = include $file;
+        $output = ob_get_clean();
+
+        // Make sure it looks correct
+        $this->assertInstanceOf('Google_Service_CloudKMS_ListKeyRingsResponse', $keyRings);
+        $this->assertTrue(count($keyRings) > 0);
+        $this->assertNotNull($keyRings[0]->name);
+        $this->assertContains($keyRings[0]->name, $output);
+    }
+}