example.php

<?php
declare(strict_types=1);

require "vendor/autoload.php";

use Momento\Auth\CredentialProvider;
use Momento\Cache\CacheClient;
use Momento\Config\Configurations\Laptop;
use Momento\Logging\StderrLoggerFactory;
use Psr\Log\LoggerInterface;

$CACHE_NAME = uniqid("php-example-");
$ITEM_DEFAULT_TTL_SECONDS = 60;
$KEY = "MyKey";
$VALUE = "MyValue";

// Setup
$authProvider = CredentialProvider::fromEnvironmentVariablesV2();
$configuration = Laptop::latest(new StderrLoggerFactory());
$client = new CacheClient($configuration, $authProvider, $ITEM_DEFAULT_TTL_SECONDS);
$logger = $configuration->getLoggerFactory()->getLogger("ex:");

function printBanner(string $message, LoggerInterface $logger): void
{
    $line = "******************************************************************";
    $logger->info($line);
    $logger->info($message);
    $logger->info($line);
}

printBanner("*                      Momento Example Start                     *", $logger);

// Ensure test cache exists
$response = $client->createCache($CACHE_NAME);
if ($response->asSuccess()) {
    $logger->info("Created cache " . $CACHE_NAME . "\n");
} elseif ($response->asError()) {
    $logger->info("Error creating cache: " . $response->asError()->message() . "\n");
    exit(1);
} elseif ($response->asAlreadyExists()) {
    $logger->info("Cache " . $CACHE_NAME . " already exists.\n");
}

// List cache
$response = $client->listCaches();
if ($response->asSuccess()) {
    $logger->info("SUCCESS: List caches: \n");
    foreach ($response->asSuccess()->caches() as $cache) {
        $cacheName = $cache->name();
        $logger->info("$cacheName\n");
    }
    $logger->info("\n");
} elseif ($response->asError()) {
    $logger->info("Error listing cache: " . $response->asError()->message() . "\n");
    exit(1);
}

// Set
$logger->info("Setting key: $KEY to value: $VALUE\n");
$response = $client->set($CACHE_NAME, $KEY, $VALUE);
if ($response->asSuccess()) {
    $logger->info("SUCCESS: - Set key: " . $KEY . " value: " . $VALUE . " cache: " . $CACHE_NAME . "\n");
} elseif ($response->asError()) {
    $logger->info("Error setting key: " . $response->asError()->message() . "\n");
    exit(1);
}

// Get
$logger->info("Getting value for key: $KEY\n");
$response = $client->get($CACHE_NAME, $KEY);
if ($response->asHit()) {
    $logger->info("SUCCESS: - Get key: " . $KEY . " value: " . $response->asHit()->valueString() . " cache: " . $CACHE_NAME . "\n");
} elseif ($response->asMiss()) {
    $logger->info("Get operation was an unexpected MISS\n");
    exit(1);
} elseif ($response->asError()) {
    $logger->info("Error getting cache: " . $response->asError()->message() . "\n");
    exit(1);
}

// Delete test cache
$logger->info("Deleting cache $CACHE_NAME\n");
$response = $client->deleteCache($CACHE_NAME);
if ($response->asError()) {
    $logger->info("Error deleting cache: " . $response->asError()->message() . "\n");
    exit(1);
}

printBanner("*                       Momento Example End                      *", $logger);