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