<?php

/**

* Copyright 2020 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

*

* 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.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

/**

* Prints whether a given extension is installed or not and its version when it is installed.

* @param string $extensionName the name of the extension to print information about

*/

function printExtensionInformation(string $extensionName)

{

$isInstalled = extension_loaded($extensionName);

printf(

'The PHP Extension %s is %sinstalled%s%s',

$extensionName,

$isInstalled ? '' : 'not ',

$isInstalled ? ': ' . phpversion($extensionName) : '',

PHP_EOL

);

}

// Prints the general information about PHP.

print '================= PHP GENERAL INFORMATION' . PHP_EOL;

phpinfo(INFO_GENERAL) . PHP_EOL;

// Prints information about the two optional PHP Extensions.

print '================= PHP EXTENSION INFORMATION' . PHP_EOL;

printExtensionInformation('grpc');

printExtensionInformation('protobuf');