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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2026 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Encodings;
/**
* Convert between UTF-8 and another encoding.
*/
interface EncodingInterface
{
// Concrete classes should re-define this. Use the ICONV name, where possible.
//public const string NAME = '????';
/**
* Convert a string from UTF-8 encoding to another encoding.
*
* @param string $text
*
* @return string
*/
public function fromUtf8(string $text): string;
/**
* Convert a string from another encoding to UTF-8 encoding.
*
* @param string $text
*
* @return string
*/
public function toUtf8(string $text): string;
/**
* When reading multi-byte encodings using a stream, we must avoid incomplete characters.
*
* @param string $text
*
* @return int
*/
public function convertibleBytes(string $text): int;
}
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