3 * Give information about the version of MediaWiki, PHP, the DB and extensions
6 * @subpackage SpecialPage
10 * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
11 * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
12 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
18 function wfSpecialVersion() {
19 $version = new SpecialVersion
;
23 class SpecialVersion
{
24 private $firstExtOpened = true;
32 $wgOut->addHTML( '<div dir="ltr">' );
34 $this->MediaWikiCredits() .
35 $this->extensionCredits() .
38 $wgOut->addHTML( $this->IPInfo() );
39 $wgOut->addHTML( '</div>' );
47 * Return wiki text showing the licence information and third party
48 * software versions (apache, php, mysql).
51 function MediaWikiCredits() {
52 $version = self
::getVersion();
53 $dbr =& wfGetDB( DB_SLAVE
);
55 global $wgLanguageNames, $wgLanguageCode;
56 $mwlang = $wgLanguageNames[$wgLanguageCode];
60 This wiki is powered by '''[http://www.mediawiki.org/ MediaWiki]''',
61 copyright (C) 2001-2007 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
62 Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason,
63 Niklas Laxström, Domas Mituzas, Rob Church and others.
65 MediaWiki is free software; you can redistribute it and/or modify
66 it under the terms of the GNU General Public License as published by
67 the Free Software Foundation; either version 2 of the License, or
68 (at your option) any later version.
70 MediaWiki is distributed in the hope that it will be useful,
71 but WITHOUT ANY WARRANTY; without even the implied warranty of
72 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
73 GNU General Public License for more details.
75 You should have received [{{SERVER}}{{SCRIPTPATH}}/COPYING a copy of the GNU General Public License]
76 along with this program; if not, write to the Free Software
77 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
78 or [http://www.gnu.org/copyleft/gpl.html read it online]
80 * [http://www.mediawiki.org/ MediaWiki]: $version
81 * [http://www.php.net/ PHP]: " . phpversion() . " (" . php_sapi_name() . ")
82 * " . $dbr->getSoftwareLink() . ": " . $dbr->getServerVersion();
84 return str_replace( "\t\t", '', $ret ) . "\n";
87 /** Return a string of the MediaWiki version with SVN revision if available */
88 public static function getVersion() {
89 global $wgVersion, $IP;
90 $svn = self
::getSvnRevision( $IP );
91 return $svn ?
"$wgVersion (r$svn)" : $wgVersion;
94 /** Generate wikitext showing extensions name, URL, author and description */
95 function extensionCredits() {
96 global $wgExtensionCredits, $wgExtensionFunctions, $wgParser, $wgSkinExtensionFunction;
98 if ( ! count( $wgExtensionCredits ) && ! count( $wgExtensionFunctions ) && ! count( $wgSkinExtensionFunction ) )
101 $extensionTypes = array(
102 'specialpage' => 'Special pages',
103 'parserhook' => 'Parser hooks',
104 'variable' => 'Variables',
107 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
109 $out = "<h2>Extensions</h2>\n";
110 $out .= wfOpenElement('table', array('id' => 'sv-ext') );
112 foreach ( $extensionTypes as $type => $text ) {
113 if ( count( @$wgExtensionCredits[$type] ) ) {
114 $out .= $this->openExtType( $text );
116 usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
118 foreach ( $wgExtensionCredits[$type] as $extension ) {
119 wfSuppressWarnings();
120 $out .= $this->formatCredits(
122 $extension['version'],
123 $extension['author'],
125 $extension['description']
132 if ( count( $wgExtensionFunctions ) ) {
133 $out .= $this->openExtType('Extension functions');
134 $out .= '<tr><td colspan="3">' . $this->listToText( $wgExtensionFunctions ) . "</td></tr>\n";
137 if ( $cnt = count( $tags = $wgParser->getTags() ) ) {
138 for ( $i = 0; $i < $cnt; ++
$i )
139 $tags[$i] = "<{$tags[$i]}>";
140 $out .= $this->openExtType('Parser extension tags');
141 $out .= '<tr><td colspan="3">' . $this->listToText( $tags ). "</td></tr>\n";
144 if( $cnt = count( $fhooks = $wgParser->getFunctionHooks() ) ) {
145 $out .= $this->openExtType('Parser function hooks');
146 $out .= '<tr><td colspan="3">' . $this->listToText( $fhooks ) . "</td></tr>\n";
149 if ( count( $wgSkinExtensionFunction ) ) {
150 $out .= $this->openExtType('Skin extension functions');
151 $out .= '<tr><td colspan="3">' . $this->listToText( $wgSkinExtensionFunction ) . "</td></tr>\n";
153 $out .= wfCloseElement( 'table' );
157 /** Callback to sort extensions by type */
158 function compare( $a, $b ) {
159 if ( $a['name'] === $b['name'] )
162 return Language
::lc( $a['name'] ) > Language
::lc( $b['name'] ) ?
1 : -1;
165 function formatCredits( $name, $version = null, $author = null, $url = null, $description = null) {
170 if ( isset( $version ) )
171 $ret .= " (version $version)";
176 $ret .= "<td>$description</td>";
177 $ret .= "<td>" . $this->listToText( (array)$author ) . "</td>";
188 if ( count( $wgHooks ) ) {
189 $myWgHooks = $wgHooks;
192 $ret = "<h2>Hooks</h2>\n"
193 . wfOpenElement('table', array('id' => 'sv-hooks') )
194 . "<tr><th>Hook name</th><th>Subscribed by</th></tr>\n";
196 foreach ($myWgHooks as $hook => $hooks)
197 $ret .= "<tr><td>$hook</td><td>" . $this->listToText( $hooks ) . "</td></tr>\n";
204 private function openExtType($text, $name = null) {
205 $opt = array( 'colspan' => 3 );
208 if(!$this->firstExtOpened
) {
209 // Insert a spacing line
210 $out .= '<tr class="sv-space">' . wfElement( 'td', $opt ) . "</tr>\n";
212 $this->firstExtOpened
= false;
214 if($name) { $opt['id'] = "sv-$name"; }
216 $out .= "<tr>" . wfElement( 'th', $opt, $text) . "</tr>\n";
226 $ip = str_replace( '--', ' - ', htmlspecialchars( wfGetIP() ) );
227 return "<!-- visited from $ip -->\n" .
228 "<span style='display:none'>visited from $ip</span>";
235 function listToText( $list ) {
236 $cnt = count( $list );
239 // Enforce always returning a string
240 return (string)$this->arrayToString( $list[0] );
244 $t = array_slice( $list, 0, $cnt - 1 );
245 $one = array_map( array( &$this, 'arrayToString' ), $t );
246 $two = $this->arrayToString( $list[$cnt - 1] );
248 return implode( ', ', $one ) . " and $two";
255 * @param mixed $list Will convert an array to string if given and return
256 * the paramater unaltered otherwise
259 function arrayToString( $list ) {
260 if ( ! is_array( $list ) )
263 $class = get_class( $list[0] );
264 return "($class, {$list[1]})";
269 * Retrieve the revision number of a Subversion working directory.
274 * @return mixed revision number as int, or false if not a SVN checkout
276 public static function getSvnRevision( $dir ) {
277 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
278 $entries = $dir . '/.svn/entries';
280 if( !file_exists( $entries ) ) {
284 $content = file( $entries );
286 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
287 if( preg_match( '/^<\?xml/', $content[0] ) ) {
288 // subversion is release <= 1.3
289 if( !function_exists( 'simplexml_load_file' ) ) {
290 // We could fall back to expat... YUCK
294 // SimpleXml whines about the xmlns...
295 wfSuppressWarnings();
296 $xml = simplexml_load_file( $entries );
300 foreach( $xml->entry
as $entry ) {
301 if( $xml->entry
[0]['name'] == '' ) {
302 // The directory entry should always have a revision marker.
303 if( $entry['revision'] ) {
304 return intval( $entry['revision'] );
311 // subversion is release 1.4
312 return intval( $content[3] );