includes/interwiki/NullInterwikiLookup.php

   1 <?php
   2 /**
   3  * Copyright (C) 2018 Kunal Mehta <legoktm@member.fsf.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  */
  20
  21 namespace MediaWiki\Interwiki;
  22
  23 /**
  24  * An interwiki lookup that has no data, intended
  25  * for use in the installer.
  26  *
  27  * @since 1.31
  28  */
  29 class NullInterwikiLookup implements InterwikiLookup {
  30
  31         /**
  32          * @inheritDoc
  33          */
  34         public function isValidInterwiki( $prefix ) {
  35                 return false;
  36         }
  37
  38         /**
  39          * @inheritDoc
  40          */
  41         public function fetch( $prefix ) {
  42                 return false;
  43         }
  44
  45         /**
  46          * @inheritDoc
  47          */
  48         public function getAllPrefixes( $local = null ) {
  49                 return [];
  50         }
  51
  52         /**
  53          * @inheritDoc
  54          */
  55         public function invalidateCache( $prefix ) {
  56         }
  57 }