feat(functions): add phpinfo sample (GoogleCloudPlatform#1252)

Author: Ace Nassri

functions/tips_phpinfo/composer.json

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+{
+    "require": {
+        "google/cloud-functions-framework": "^0.7.1"
+    }
+}

functions/tips_phpinfo/index.php

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+
+/**
+ * Copyright 2021 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.
+ */
+
+
+// [START functions_tips_phpinfo]
+
+use Psr\Http\Message\ServerRequestInterface;
+
+function phpInfoDemo(ServerRequestInterface $request): string
+{
+    // phpinfo() displays its output directly in the function's
+    // HTTP response, so we don't need to explicitly return it
+    //
+    // Note: we recommend deleting the deployed Cloud Function once you no
+    // longer need it, as phpinfo() may broadcast potential security issues.
+    phpinfo();
+    return '';
+}
+
+// [END functions_tips_phpinfo]

functions/tips_phpinfo/phpunit.xml.dist

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+xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="../../testing/bootstrap.php" convertWarningsToExceptions="false">
+    <testsuites>
+        <testsuite name="Cloud Functions phpinfo() Test Suite">
+            <directory>testdirectory>
+        testsuite>
+    testsuites>
+    <logging>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+    logging>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">.directory>
+            <exclude>
+              <directory>./vendordirectory>
+            exclude>
+        whitelist>
+    filter>
+phpunit>

functions/tips_phpinfo/test/DeployTest.php

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+
+/**
+ * Copyright 2021 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.
+ */
+
+declare(strict_types=1);
+
+namespace Google\Cloud\Samples\Functions\HelloworldGet\Test;
+
+use Google\Cloud\TestUtils\CloudFunctionDeploymentTrait;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Class DeployTest.
+ *
+ * This test is not run by the CI system.
+ *
+ * To skip deployment of a new function, run with "GOOGLE_SKIP_DEPLOYMENT=true".
+ * To skip deletion of the tested function, run with "GOOGLE_KEEP_DEPLOYMENT=true".
+ */
+class DeployTest extends TestCase
+{
+    use CloudFunctionDeploymentTrait;
+
+    private static $entryPoint = 'phpInfoDemo';
+
+    public function testFunction(): void
+    {
+        // Send a request to the function.
+        $resp = $this->client->post('', [
+            // Uncomment and CURLOPT_VERBOSE debug content will be sent to stdout.
+            // 'debug' => true
+        ]);
+
+        $output = trim((string) $resp->getBody());
+
+        $this->assertEquals('200', $resp->getStatusCode());
+        $this->assertContains('PHP Quality Assurance Team', $output);
+    }
+}

functions/tips_phpinfo/test/IntegrationTest.php

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+
+/**
+ * Copyright 2021 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.
+ */
+declare(strict_types=1);
+
+namespace Google\Cloud\Samples\Functions\HelloworldGet\Test;
+
+use PHPUnit\Framework\TestCase;
+use Google\Cloud\TestUtils\CloudFunctionLocalTestTrait;
+
+/**
+ * Class IntegrationTest.
+ */
+class IntegrationTest extends TestCase
+{
+    use CloudFunctionLocalTestTrait;
+
+    private static $entryPoint = 'phpInfoDemo';
+
+    public function testFunction(): void
+    {
+        $resp = $this->client->get('/');
+        $output = trim((string) $resp->getBody());
+
+        $this->assertEquals('200', $resp->getStatusCode());
+        $this->assertContains('PHP Quality Assurance Team', $output);
+    }
+}