3 * Give information about the version of MediaWiki, PHP, the DB and extensions
5 * @addtogroup SpecialPage
7 * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
8 * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
9 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
15 function wfSpecialVersion() {
16 $version = new SpecialVersion
;
20 class SpecialVersion
{
21 private $firstExtOpened = true;
27 global $wgOut, $wgMessageCache;
28 $wgMessageCache->loadAllMessages();
30 $wgOut->addHTML( '<div dir="ltr">' );
32 $this->MediaWikiCredits() .
33 $this->softwareInformation() .
34 $this->extensionCredits() .
37 $wgOut->addHTML( $this->IPInfo() );
38 $wgOut->addHTML( '</div>' );
46 * @return wiki text showing the license information
48 static function MediaWikiCredits() {
49 $ret = Xml
::element( 'h2', array( 'id' => 'mw-version-license' ), wfMsg( 'version-license' ) ) .
51 This wiki is powered by '''[http://www.mediawiki.org/ MediaWiki]''',
52 copyright (C) 2001-2008 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
53 Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason,
54 Niklas Laxström, Domas Mituzas, Rob Church, Yuri Astrakhan and others.
56 MediaWiki is free software; you can redistribute it and/or modify
57 it under the terms of the GNU General Public License as published by
58 the Free Software Foundation; either version 2 of the License, or
59 (at your option) any later version.
61 MediaWiki is distributed in the hope that it will be useful,
62 but WITHOUT ANY WARRANTY; without even the implied warranty of
63 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
64 GNU General Public License for more details.
66 You should have received [{{SERVER}}{{SCRIPTPATH}}/COPYING a copy of the GNU General Public License]
67 along with this program; if not, write to the Free Software
68 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
69 or [http://www.gnu.org/licenses/old-licenses/gpl-2.0.html read it online].
72 return str_replace( "\t\t", '', $ret ) . "\n";
76 * @return wiki text showing the third party software versions (apache, php, mysql).
78 static function softwareInformation() {
79 $dbr = wfGetDB( DB_SLAVE
);
81 return Xml
::element( 'h2', array( 'id' => 'mw-version-software' ), wfMsg( 'version-software' ) ) .
82 Xml
::openElement( 'table', array( 'id' => 'sv-software' ) ) .
84 <th>" . wfMsg( 'version-software-product' ) . "</th>
85 <th>" . wfMsg( 'version-software-version' ) . "</th>
88 <td>[http://www.mediawiki.org/ MediaWiki]</td>
89 <td>" . self
::getVersion() . "</td>
92 <td>[http://www.php.net/ PHP]</td>
93 <td>" . phpversion() . " (" . php_sapi_name() . ")</td>
96 <td>" . $dbr->getSoftwareLink() . "</td>
97 <td>" . $dbr->getServerVersion() . "</td>
99 Xml
::closeElement( 'table' );
102 /** Return a string of the MediaWiki version with SVN revision if available */
103 public static function getVersion() {
104 global $wgVersion, $IP;
105 wfProfileIn( __METHOD__
);
106 $svn = self
::getSvnRevision( $IP );
107 $version = $svn ?
"$wgVersion (r$svn)" : $wgVersion;
108 wfProfileOut( __METHOD__
);
112 /** Generate wikitext showing extensions name, URL, author and description */
113 function extensionCredits() {
114 global $wgExtensionCredits, $wgExtensionFunctions, $wgParser, $wgSkinExtensionFunctions;
116 if ( ! count( $wgExtensionCredits ) && ! count( $wgExtensionFunctions ) && ! count( $wgSkinExtensionFunctions ) )
119 $extensionTypes = array(
120 'specialpage' => wfMsg( 'version-specialpages' ),
121 'parserhook' => wfMsg( 'version-parserhooks' ),
122 'variable' => wfMsg( 'version-variables' ),
123 'media' => wfMsg( 'version-mediahandlers' ),
124 'other' => wfMsg( 'version-other' ),
126 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
128 $out = Xml
::element( 'h2', array( 'id' => 'mw-version-ext' ), wfMsg( 'version-extensions' ) ) .
129 Xml
::openElement( 'table', array( 'id' => 'sv-ext' ) );
131 foreach ( $extensionTypes as $type => $text ) {
132 if ( isset ( $wgExtensionCredits[$type] ) && count ( $wgExtensionCredits[$type] ) ) {
133 $out .= $this->openExtType( $text );
135 usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
137 foreach ( $wgExtensionCredits[$type] as $extension ) {
138 $out .= $this->formatCredits(
139 isset ( $extension['name'] ) ?
$extension['name'] : '',
140 isset ( $extension['version'] ) ?
$extension['version'] : null,
141 isset ( $extension['author'] ) ?
$extension['author'] : '',
142 isset ( $extension['url'] ) ?
$extension['url'] : null,
143 isset ( $extension['description'] ) ?
$extension['description'] : '',
144 isset ( $extension['descriptionmsg'] ) ?
$extension['descriptionmsg'] : ''
150 if ( count( $wgExtensionFunctions ) ) {
151 $out .= $this->openExtType( wfMsg( 'version-extension-functions' ) );
152 $out .= '<tr><td colspan="3">' . $this->listToText( $wgExtensionFunctions ) . "</td></tr>\n";
155 if ( $cnt = count( $tags = $wgParser->getTags() ) ) {
156 for ( $i = 0; $i < $cnt; ++
$i )
157 $tags[$i] = "<{$tags[$i]}>";
158 $out .= $this->openExtType( wfMsg( 'version-parser-extensiontags' ) );
159 $out .= '<tr><td colspan="3">' . $this->listToText( $tags ). "</td></tr>\n";
162 if( $cnt = count( $fhooks = $wgParser->getFunctionHooks() ) ) {
163 $out .= $this->openExtType( wfMsg( 'version-parser-function-hooks' ) );
164 $out .= '<tr><td colspan="3">' . $this->listToText( $fhooks ) . "</td></tr>\n";
167 if ( count( $wgSkinExtensionFunctions ) ) {
168 $out .= $this->openExtType( wfMsg( 'version-skin-extension-functions' ) );
169 $out .= '<tr><td colspan="3">' . $this->listToText( $wgSkinExtensionFunctions ) . "</td></tr>\n";
171 $out .= Xml
::closeElement( 'table' );
175 /** Callback to sort extensions by type */
176 function compare( $a, $b ) {
178 if( $a['name'] === $b['name'] ) {
181 return $wgLang->lc( $a['name'] ) > $wgLang->lc( $b['name'] )
187 function formatCredits( $name, $version = null, $author = null, $url = null, $description = null, $descriptionMsg = null ) {
188 $extension = isset( $url ) ?
"[$url $name]" : $name;
189 $version = isset( $version ) ?
"(" . wfMsg( 'version-version' ) . " $version)" : '';
191 # Look for a localized description
192 if( isset( $descriptionMsg ) ) {
193 $msg = wfMsg( $descriptionMsg );
194 if ( !wfEmptyMsg( $descriptionMsg, $msg ) && $msg != '' ) {
200 <td><em>$extension $version</em></td>
201 <td>$description</td>
202 <td>" . $this->listToText( (array)$author ) . "</td>
212 if ( count( $wgHooks ) ) {
213 $myWgHooks = $wgHooks;
216 $ret = Xml
::element( 'h2', array( 'id' => 'mw-version-hooks' ), wfMsg( 'version-hooks' ) ) .
217 Xml
::openElement( 'table', array( 'id' => 'sv-hooks' ) ) .
219 <th>" . wfMsg( 'version-hook-name' ) . "</th>
220 <th>" . wfMsg( 'version-hook-subscribedby' ) . "</th>
223 foreach ( $myWgHooks as $hook => $hooks )
226 <td>" . $this->listToText( $hooks ) . "</td>
229 $ret .= Xml
::closeElement( 'table' );
235 private function openExtType($text, $name = null) {
236 $opt = array( 'colspan' => 3 );
239 if(!$this->firstExtOpened
) {
240 // Insert a spacing line
241 $out .= '<tr class="sv-space">' . Xml
::element( 'td', $opt ) . "</tr>\n";
243 $this->firstExtOpened
= false;
245 if($name) { $opt['id'] = "sv-$name"; }
247 $out .= "<tr>" . Xml
::element( 'th', $opt, $text) . "</tr>\n";
257 $ip = str_replace( '--', ' - ', htmlspecialchars( wfGetIP() ) );
258 return "<!-- visited from $ip -->\n" .
259 "<span style='display:none'>visited from $ip</span>";
266 function listToText( $list ) {
267 $cnt = count( $list );
270 // Enforce always returning a string
271 return (string)$this->arrayToString( $list[0] );
272 } elseif ( $cnt == 0 ) {
276 $t = array_slice( $list, 0, $cnt - 1 );
277 $one = array_map( array( &$this, 'arrayToString' ), $t );
278 $two = $this->arrayToString( $list[$cnt - 1] );
279 $and = wfMsg( 'and' );
281 return implode( ', ', $one ) . " $and $two";
288 * @param mixed $list Will convert an array to string if given and return
289 * the paramater unaltered otherwise
292 function arrayToString( $list ) {
293 if( is_object( $list ) ) {
294 $class = get_class( $list );
296 } elseif ( ! is_array( $list ) ) {
299 $class = get_class( $list[0] );
300 return "($class, {$list[1]})";
305 * Retrieve the revision number of a Subversion working directory.
308 * @return mixed revision number as int, or false if not a SVN checkout
310 public static function getSvnRevision( $dir ) {
311 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
312 $entries = $dir . '/.svn/entries';
314 if( !file_exists( $entries ) ) {
318 $content = file( $entries );
320 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
321 if( preg_match( '/^<\?xml/', $content[0] ) ) {
322 // subversion is release <= 1.3
323 if( !function_exists( 'simplexml_load_file' ) ) {
324 // We could fall back to expat... YUCK
328 // SimpleXml whines about the xmlns...
329 wfSuppressWarnings();
330 $xml = simplexml_load_file( $entries );
334 foreach( $xml->entry
as $entry ) {
335 if( $xml->entry
[0]['name'] == '' ) {
336 // The directory entry should always have a revision marker.
337 if( $entry['revision'] ) {
338 return intval( $entry['revision'] );
345 // subversion is release 1.4
346 return intval( $content[3] );