platformsh-env.php

<?php

declare(strict_types=1);

namespace Platformsh\ShopwareBridge;

use Platformsh\ConfigReader\Config;

mapPlatformShEnvironment();

/**
 * Map Platform.Sh environment variables to the values Shopware expects expects.
 *
 * This is wrapped up into a function to avoid executing code in the global
 * namespace.
 *
 * Note: Most values are already handled by the Symfony Flex bridge. This file is just
 * for the additional variables required by Shopware.
 */
function mapPlatformShEnvironment() : void
{
    $config = new Config();

    if (!$config->inRuntime()) {
        return;
    }

    $config->registerFormatter('redis', __NAMESPACE__ . '\redisFormatter');

    // Set the URL based on the route.  This is a required route ID.
    setEnvVar('APP_URL', $config->getRoute('shopware')['url']);

    // Map services as feasible.
    mapPlatformShRedis('rediscache', $config);
}

/**
 * Sets an environment variable in all the myriad places PHP can store it.
 *
 * @param string $name
 *   The name of the variable to set.
 * @param null|string $value
 *   The value to set.  Null to unset it.
 */
function setEnvVar(string $name, ?string $value) : void
{
    if (!putenv("$name=$value")) {
        throw new \RuntimeException('Failed to create environment variable: ' . $name);
    }
    $order = ini_get('variables_order');
    if (stripos($order, 'e') !== false) {
        $_ENV[$name] = $value;
    }
    if (stripos($order, 's') !== false) {
        if (strpos($name, 'HTTP_') !== false) {
            throw new \RuntimeException('Refusing to add ambiguous environment variable ' . $name . ' to $_SERVER');
        }
        $_SERVER[$name] = $value;
    }
}

/**
 * Maps the specified relationship to the REDIS_URL environment variable, if available.
 *
 * @param string $relationshipName
 *   The database relationship name.
 * @param Config $config
 *   The config object.
 */
function mapPlatformShRedis(string $relationshipName, Config $config) : void
{
    if (!$config->hasRelationship($relationshipName)) {
        return;
    }

    setEnvVar('REDIS_URL', $config->formattedCredentials($relationshipName, 'redis'));
}

function redisFormatter(array $credentials): string
{
    return "redis://{$credentials['host']}:{$credentials['port']}";
}