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<?php
/**
* @copyright Copyright (c) 2018 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\L10N;
/**
* Interface ILanguageIterator
*
* iterator across language settings (if provided) in this order:
* 1. returns the forced language or:
* 2. if applicable, the trunk of 1 (e.g. "fu" instead of "fu_BAR"
* 3. returns the user language or:
* 4. if applicable, the trunk of 3
* 5. returns the system default language or:
* 6. if applicable, the trunk of 5
* 7+∞. returns 'en'
*
* if settings are not present or truncating is not applicable, the iterator
* skips to the next valid item itself
*
*
* @since 14.0.0
*/
interface ILanguageIterator extends \Iterator {
/**
* Return the current element
*
* @since 14.0.0
*/
public function current(): string;
/**
* Move forward to next element
*
* @since 14.0.0
*/
public function next();
/**
* Return the key of the current element
*
* @since 14.0.0
*/
public function key():int;
/**
* Checks if current position is valid
*
* @since 14.0.0
*/
public function valid():bool;
}
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