Special case opus mime detction
[mediawiki.git] / includes / session / SessionProviderInterface.php
blob02ae23d551b6a1af9b4e84138e95ebf9632c1060
1 <?php
2 /**
3 * MediaWiki\Session\Provider interface
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.
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.
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 * http://www.gnu.org/copyleft/gpl.html
20 * @file
21 * @ingroup Session
24 namespace MediaWiki\Session;
26 use Language;
28 /**
29 * This exists to make IDEs happy, so they don't see the
30 * internal-but-required-to-be-public methods on SessionProvider.
32 * @ingroup Session
33 * @since 1.27
35 interface SessionProviderInterface {
37 /**
38 * Return an identifier for this session type
40 * @param Language $lang Language to use.
41 * @return string
43 public function describe( Language $lang );
45 /**
46 * Return a Message for why sessions might not be being persisted.
48 * For example, "check whether you're blocking our cookies".
50 * @return Message|null
52 public function whyNoSession();