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<?php
declare(strict_types=1);
namespace League\Flysystem;
use DateTimeInterface;
/**
* This interface contains everything to read from and inspect
* a filesystem. All methods containing are non-destructive.
*
* @method string publicUrl(string $path, array $config = []) Will be added in 4.0
* @method string temporaryUrl(string $path, DateTimeInterface $expiresAt, array $config = []) Will be added in 4.0
* @method string checksum(string $path, array $config = []) Will be added in 4.0
*/
interface FilesystemReader
{
public const LIST_SHALLOW = false;
public const LIST_DEEP = true;
/**
* @throws FilesystemException
* @throws UnableToCheckExistence
*/
public function fileExists(string $location): bool;
/**
* @throws FilesystemException
* @throws UnableToCheckExistence
*/
public function directoryExists(string $location): bool;
/**
* @throws FilesystemException
* @throws UnableToCheckExistence
*/
public function has(string $location): bool;
/**
* @throws UnableToReadFile
* @throws FilesystemException
*/
public function read(string $location): string;
/**
* @return resource
*
* @throws UnableToReadFile
* @throws FilesystemException
*/
public function readStream(string $location);
/**
* @return DirectoryListing<StorageAttributes>
*
* @throws FilesystemException
* @throws UnableToListContents
*/
public function listContents(string $location, bool $deep = self::LIST_SHALLOW): DirectoryListing;
/**
* @throws UnableToRetrieveMetadata
* @throws FilesystemException
*/
public function lastModified(string $path): int;
/**
* @throws UnableToRetrieveMetadata
* @throws FilesystemException
*/
public function fileSize(string $path): int;
/**
* @throws UnableToRetrieveMetadata
* @throws FilesystemException
*/
public function mimeType(string $path): string;
/**
* @throws UnableToRetrieveMetadata
* @throws FilesystemException
*/
public function visibility(string $path): string;
}
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