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<?php
declare(strict_types=1);
namespace Dotenv\Store;
use Dotenv\Exception\InvalidPathException;
use Dotenv\Store\File\Reader;
final class FileStore implements StoreInterface
{
/**
* The file paths.
*
* @var string[]
*/
private $filePaths;
/**
* Should file loading short circuit?
*
* @var bool
*/
private $shortCircuit;
/**
* The file encoding.
*
* @var string|null
*/
private $fileEncoding;
/**
* Create a new file store instance.
*
* @param string[] $filePaths
* @param bool $shortCircuit
* @param string|null $fileEncoding
*
* @return void
*/
public function __construct(array $filePaths, bool $shortCircuit, string $fileEncoding = null)
{
$this->filePaths = $filePaths;
$this->shortCircuit = $shortCircuit;
$this->fileEncoding = $fileEncoding;
}
/**
* Read the content of the environment file(s).
*
* @throws \Dotenv\Exception\InvalidEncodingException|\Dotenv\Exception\InvalidPathException
*
* @return string
*/
public function read()
{
if ($this->filePaths === []) {
throw new InvalidPathException('At least one environment file path must be provided.');
}
$contents = Reader::read($this->filePaths, $this->shortCircuit, $this->fileEncoding);
if (\count($contents) > 0) {
return \implode("\n", $contents);
}
throw new InvalidPathException(
\sprintf('Unable to read any of the environment file(s) at [%s].', \implode(', ', $this->filePaths))
);
}
}