Merge "Add links to Special:EditWatchlist in Preferences' Watchlist tab"
[lhc/web/wiklou.git] / includes / debug / logger / NullSpi.php
1 <?php
2 /**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @file
19 */
20
21
22 /**
23 * MWLoggerFactory service provider that creates \Psr\Log\NullLogger
24 * instances. A NullLogger silently discards all log events sent to it.
25 *
26 * Usage:
27 * @code
28 * $wgMWLoggerDefaultSpi = array(
29 * 'class' => 'MWLoggerNullSpi',
30 * );
31 * @endcode
32 *
33 * @see MWLoggerFactory
34 * @since 1.25
35 * @author Bryan Davis <bd808@wikimedia.org>
36 * @copyright © 2014 Bryan Davis and Wikimedia Foundation.
37 */
38 class MWLoggerNullSpi implements MWLoggerSpi {
39
40 /**
41 * @var \Psr\Log\NullLogger $singleton
42 */
43 protected $singleton;
44
45
46 public function __construct() {
47 $this->singleton = new \Psr\Log\NullLogger();
48 }
49
50
51 /**
52 * Get a logger instance.
53 *
54 * @param string $channel Logging channel
55 * @return \Psr\Log\NullLogger Logger instance
56 */
57 public function getLogger( $channel ) {
58 return $this->singleton;
59 }
60
61 }