<?php declare(strict_types=1); namespace Dotenv\Repository\Adapter; use PhpOption\None; final class MultiReader implements ReaderInterface { /** * The set of readers to use. * * @var \Dotenv\Repository\Adapter\ReaderInterface[] */ private $readers; /** * Create a new multi-reader instance. * * @param \Dotenv\Repository\Adapter\ReaderInterface[] $readers * * @return void */ public function __construct(array $readers) { $this->readers = $readers; } /** * Read an environment variable, if it exists. * * @param non-empty-string $name * * @return \PhpOption\Option<string> */ public function read(string $name) { foreach ($this->readers as $reader) { $result = $reader->read($name); if ($result->isDefined()) { return $result; } } return None::create(); } }