Revert "chore(appengine): delete unused php55 samples"

This reverts commit 8558c81.

Author: ace-n

appengine/php55/cloudsql/README.md

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+# Cloud SQL & Google App Engine
+
+This sample application demonstrates how to use [Cloud SQL with Google App Engine](https://cloud.google.com/appengine/docs/php/cloud-sql/).
+
+## Setup
+
+Before running this sample:
+
+## Prerequisites
+
+- Install [`composer`](https://getcomposer.org)
+- Install dependencies by running:
+
+```sh
+composer install
+```
+
+## Setup
+
+Before you can run or deploy the sample, you will need to do the following:
+
+1. Create a [First Generation Cloud SQL](https://cloud.google.com/sql/docs/create-instance) instance. You can do this from the [Cloud Console](https://console.developers.google.com) or via the [Cloud SDK](https://cloud.google.com/sdk). To create it via the SDK use the following command:
+
+        $ gcloud sql instances create YOUR_INSTANCE_NAME
+
+1. Set the root password on your Cloud SQL instance:
+
+        $ gcloud sql instances set-root-password YOUR_INSTANCE_NAME --password YOUR_INSTANCE_ROOT_PASSWORD
+
+1. Update the connection string in `app.yaml` with your configuration values. These values are used when the application is deployed.
+
+## Run locally
+
+To run locally, you can either run your own MySQL server locally and set the connection string in `app.yaml`, or you can [connect to your CloudSQL instance externally](https://cloud.google.com/sql/docs/external#appaccess).
+
+```sh
+cd php-docs-samples/appengine/standard/cloudsql
+
+# set local mysql connection parameters
+export MYSQL_DSN="mysql:host=127.0.0.1;port=3306;dbname=guestbook"
+export MYSQL_USERNAME=root
+export MYSQL_PASSWORD=
+
+php -S localhost:8080
+```
+
+> be sure the `MYSQL_` environment variables are appropriate for your mysql instance
+
+Now you can view the app running at [http://localhost:8080](http://localhost:8080)
+in your browser.
+
+## Deploy to App Engine
+
+**Prerequisites**
+
+- Install the [Google Cloud SDK](https://developers.google.com/cloud/sdk/).
+
+**Deploy with gcloud**
+
+```
+gcloud config set project YOUR_PROJECT_ID
+gcloud app deploy
+gcloud app browse
+```
+
+The last command will open `https://{YOUR_PROJECT_ID}.appspot.com/`
+in your browser.
+
+## Create the MySQL Tables
+
+Once your application is running, browse to `/create_table` to create the required tables for this example.

appengine/php55/cloudsql/app.php

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+
+/**
+ * Copyright 2016 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 gae_php_mysql_app]
+use Silex\Application;
+use Silex\Provider\TwigServiceProvider;
+use Symfony\Component\HttpFoundation\Request;
+
+// create the Silex application
+$app = new Application();
+$app->register(new TwigServiceProvider());
+$app['twig.path'] = [ __DIR__ ];
+
+$app->get('/', function () use ($app) {
+    /** @var PDO $db */
+    $db = $app['database'];
+    /** @var Twig_Environment $twig */
+    $twig = $app['twig'];
+
+    // Show existing guestbook entries.
+    $results = $db->query('SELECT * from entries');
+
+    return $twig->render('cloudsql.html.twig', [
+        'results' => $results,
+    ]);
+});
+
+$app->post('/', function (Request $request) use ($app) {
+    /** @var PDO $db */
+    $db = $app['database'];
+
+    $name = $request->request->get('name');
+    $content = $request->request->get('content');
+
+    if ($name && $content) {
+        $stmt = $db->prepare('INSERT INTO entries (guestName, content) VALUES (:name, :content)');
+        $stmt->execute([
+            ':name' => $name,
+            ':content' => $content,
+        ]);
+    }
+
+    return $app->redirect('/');
+});
+
+// function to return the PDO instance
+$app['database'] = function () use ($app) {
+    // Connect to CloudSQL from App Engine.
+    $dsn = getenv('MYSQL_DSN');
+    $user = getenv('MYSQL_USER');
+    $password = getenv('MYSQL_PASSWORD');
+    if (!isset($dsn, $user) || false === $password) {
+        throw new Exception('Set MYSQL_DSN, MYSQL_USER, and MYSQL_PASSWORD environment variables');
+    }
+
+    $db = new PDO($dsn, $user, $password);
+
+    return $db;
+};
+# [END gae_php_mysql_app]
+
+$app->get('create_tables', function () use ($app) {
+    /** @var PDO $db */
+    $db = $app['database'];
+    // create the tables
+    $stmt = $db->prepare('CREATE TABLE IF NOT EXISTS entries ('
+        . 'entryID INT NOT NULL AUTO_INCREMENT, '
+        . 'guestName VARCHAR(255), '
+        . 'content VARCHAR(255), '
+        . 'PRIMARY KEY(entryID))');
+    $result = $stmt->execute();
+
+    if (false === $result) {
+        return sprintf("Error: %s\n", $stmt->errorInfo()[2]);
+    } else {
+        return 'Tables created';
+    }
+});
+
+return $app;

appengine/php55/cloudsql/app.yaml

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+runtime: php55
+api_version: 1
+threadsafe: true
+
+handlers:
+- url: /.*
+  script: index.php
+
+# [START gae_php_mysql_env]
+env_variables:
+  # Replace USER, PASSWORD, DATABASE, and CONNECTION_NAME with the
+  # values obtained when configuring your Cloud SQL instance.
+  MYSQL_DSN: mysql:unix_socket=/cloudsql/INSTANCE_CONNECTION_NAME;dbname=DATABASE
+  MYSQL_USER: USER
+  MYSQL_PASSWORD: PASSWORD
+# [END gae_php_mysql_env]

appengine/php55/cloudsql/cloudsql.html.twig

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+<html>
+    <body>
+        {% if results %}
+            <h2>Guestbook Entriesh2>
+
+            {% for row in results %}
+                <div><strong> {{ row.guestName }} strong> wrote <br> {{ row.content }}div>
+            {% endfor %}
+        {% endif %}
+
+        <h2>Sign the Guestbookh2>
+        <form action="/" method="post">
+            <div>Name: <input name="name" />div>
+            <div><textarea name="content" rows="3" cols="60">textarea>div>
+            <div><input type="submit" value="Sign Guestbook">div>
+        form>
+    body>
+html>

appengine/php55/cloudsql/composer.json

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+{
+    "require": {
+        "silex/silex": "^1.3",
+        "symfony/twig-bridge": "~2.7|3.0.*",
+        "twig/twig": "~1.8|~2.0"
+    },
+    "require-dev": {
+        "symfony/browser-kit": "^3.0"
+    }
+}

appengine/php55/cloudsql/index.php

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+
+/**
+ * Copyright 2016 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.
+ */
+
+// Install composer dependencies with "composer install"
+// @see http://getcomposer.org for more information.
+require __DIR__ . '/vendor/autoload.php';
+
+$app = require __DIR__ . '/app.php';
+
+// Run the app!
+// use "gcloud app deploy" or run "php -S localhost:8080"
+// and browse to "index.php"
+$app['debug'] = true;
+$app->run();

appengine/php55/cloudsql/phpunit.xml.dist

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+xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="../../../testing/bootstrap.php">
+    <testsuites>
+        <testsuite name="PHP cloudsql test">
+            <directory>testdirectory>
+        testsuite>
+    testsuites>
+    <logging>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+    logging>
+    <filter>
+        <whitelist>
+            <file>app.phpfile>
+            <exclude>
+              <directory>./vendordirectory>
+            exclude>
+        whitelist>
+    filter>
+phpunit>

appengine/php55/cloudsql/test/LocalTest.php

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+
+/**
+ * Copyright 2016 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.
+ */
+use Silex\WebTestCase;
+
+class LocalTest extends WebTestCase
+{
+    public function createApplication()
+    {
+        $app = require __DIR__ . '/../app.php';
+
+        // set some parameters for testing
+        $app['session.test'] = true;
+        $app['debug'] = true;
+
+        // skip if we are missing required env vars
+        $dsn = getenv('MYSQL_DSN');
+        $username = getenv('MYSQL_USERNAME');
+        $password = getenv('MYSQL_PASSWORD');
+        if (empty($dsn) || empty($username) || false === $password) {
+            $this->markTestSkipped('set the MYSQL_DSN, MYSQL_USER and MYSQL_PASSWORD environment variables');
+        }
+
+        // prevent HTML error exceptions
+        unset($app['exception_handler']);
+
+        return $app;
+    }
+
+    public function test_gaePhpMysqlApp_shouldTestHome()
+    {
+        $client = $this->createClient();
+
+        $crawler = $client->request('GET', '/');
+
+        $this->assertTrue($client->getResponse()->isOk());
+    }
+
+    public function testSignGuestbook()
+    {
+        $client = $this->createClient();
+
+        $time = date('Y-m-d H:i:s');
+        $crawler = $client->request('POST', '/', [
+            'name' => 'mr Skeltal',
+            'content' => sprintf('doot doot (%s)', $time),
+        ]);
+
+        $response = $client->getResponse();
+        $this->assertEquals(302, $response->getStatusCode());
+
+        $crawler = $client->followRedirect();
+        $response = $client->getResponse();
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertContains($time, $response->getContent());
+    }
+
+    public function testCreateTables()
+    {
+        $client = $this->createClient();
+
+        $crawler = $client->request('get', '/create_tables');
+
+        $this->assertTrue($client->getResponse()->isOk());
+    }
+}