includes/interwiki/NullInterwikiLookup.php

   1 <?php
   2 /**
   3  * Copyright (C) 2018 Kunal Mehta <legoktm@debian.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * @file
  20  */
  21
  22 namespace MediaWiki\Interwiki;
  23
  24 /**
  25  * An interwiki lookup that has no data, intended
  26  * for use in the installer.
  27  *
  28  * @since 1.31
  29  */
  30 class NullInterwikiLookup implements InterwikiLookup {
  31
  32         /**
  33          * @inheritDoc
  34          */
  35         public function isValidInterwiki( $prefix ) {
  36                 return false;
  37         }
  38
  39         /**
  40          * @inheritDoc
  41          */
  42         public function fetch( $prefix ) {
  43                 return false;
  44         }
  45
  46         /**
  47          * @inheritDoc
  48          */
  49         public function getAllPrefixes( $local = null ) {
  50                 return [];
  51         }
  52
  53         /**
  54          * @inheritDoc
  55          */
  56         public function invalidateCache( $prefix ) {
  57         }
  58 }