3 * Implements Special:Version
5 * Copyright © 2005 Ævar Arnfjörð Bjarmason
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 * http://www.gnu.org/copyleft/gpl.html
23 * @ingroup SpecialPage
27 * Give information about the version of MediaWiki, PHP, the DB and extensions
29 * @ingroup SpecialPage
31 class SpecialVersion
extends SpecialPage
{
33 protected $firstExtOpened = false;
35 protected static $extensionTypes = false;
37 protected static $viewvcUrls = array(
38 'svn+ssh://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
39 'http://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
40 'https://svn.wikimedia.org/svnroot/mediawiki' => 'https://svn.wikimedia.org/viewvc/mediawiki',
43 public function __construct() {
44 parent
::__construct( 'Version' );
50 public function execute( $par ) {
51 global $wgSpecialVersionShowHooks, $IP;
54 $this->outputHeader();
55 $out = $this->getOutput();
56 $out->allowClickjacking();
58 if( $par !== 'Credits' ) {
60 $this->getMediaWikiCredits() .
61 $this->softwareInformation() .
62 $this->getEntryPointInfo() .
63 $this->getExtensionCredits();
64 if ( $wgSpecialVersionShowHooks ) {
65 $text .= $this->getWgHooks();
68 $out->addWikiText( $text );
69 $out->addHTML( $this->IPInfo() );
71 if ( $this->getRequest()->getVal( 'easteregg' ) ) {
72 if ( $this->showEasterEgg() ) {
73 // TODO: put something interesting here
80 $out->addHTML( wfMessage( 'version-credits-summary' )->parseAsBlock() );
82 $wikiText = file_get_contents( $IP . '/CREDITS' );
84 // Take everything from the first section onwards, to remove the (not localized) header
85 $wikiText = substr( $wikiText, strpos( $wikiText, '==' ) );
87 $out->addWikiText( $wikiText );
92 * Returns wiki text showing the license information.
96 private static function getMediaWikiCredits() {
97 $ret = Xml
::element( 'h2', array( 'id' => 'mw-version-license' ), wfMessage( 'version-license' )->text() );
99 // This text is always left-to-right.
100 $ret .= '<div class="plainlinks">';
102 " . self
::getCopyrightAndAuthorList() . "\n
103 " . wfMessage( 'version-license-info' )->text();
106 return str_replace( "\t\t", '', $ret ) . "\n";
110 * Get the "MediaWiki is copyright 2001-20xx by lots of cool guys" text
114 public static function getCopyrightAndAuthorList() {
117 if ( defined( 'MEDIAWIKI_INSTALL' ) ) {
118 $othersLink = '[http://www.mediawiki.org/wiki/Special:Version/Credits ' . wfMessage( 'version-poweredby-others' )->text() . ']';
120 $othersLink = '[[Special:Version/Credits|' . wfMessage( 'version-poweredby-others' )->text() . ']]';
124 'Magnus Manske', 'Brion Vibber', 'Lee Daniel Crocker',
125 'Tim Starling', 'Erik Möller', 'Gabriel Wicke', 'Ævar Arnfjörð Bjarmason',
126 'Niklas Laxström', 'Domas Mituzas', 'Rob Church', 'Yuri Astrakhan',
127 'Aryeh Gregor', 'Aaron Schulz', 'Andrew Garrett', 'Raimond Spekking',
128 'Alexandre Emsenhuber', 'Siebrand Mazeland', 'Chad Horohoe',
129 'Roan Kattouw', 'Trevor Parscal', 'Bryan Tong Minh', 'Sam Reed',
130 'Victor Vasiliev', 'Rotem Liss', 'Platonides', 'Antoine Musso',
131 'Timo Tijhof', 'Daniel Kinzler', 'Jeroen De Dauw', $othersLink
134 return wfMessage( 'version-poweredby-credits', date( 'Y' ),
135 $wgLang->listToText( $authorList ) )->text();
139 * Returns wiki text showing the third party software versions (apache, php, mysql).
143 static function softwareInformation() {
144 $dbr = wfGetDB( DB_SLAVE
);
146 // Put the software in an array of form 'name' => 'version'. All messages should
147 // be loaded here, so feel free to use wfMessage in the 'name'. Raw HTML or
148 // wikimarkup can be used.
150 $software['[https://www.mediawiki.org/ MediaWiki]'] = self
::getVersionLinked();
151 $software['[http://www.php.net/ PHP]'] = phpversion() . " (" . PHP_SAPI
. ")";
152 $software[$dbr->getSoftwareLink()] = $dbr->getServerInfo();
154 // Allow a hook to add/remove items.
155 wfRunHooks( 'SoftwareInfo', array( &$software ) );
157 $out = Xml
::element( 'h2', array( 'id' => 'mw-version-software' ), wfMessage( 'version-software' )->text() ) .
158 Xml
::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-software' ) ) .
160 <th>" . wfMessage( 'version-software-product' )->text() . "</th>
161 <th>" . wfMessage( 'version-software-version' )->text() . "</th>
164 foreach( $software as $name => $version ) {
166 <td>" . $name . "</td>
167 <td dir=\"ltr\">" . $version . "</td>
171 return $out . Xml
::closeElement( 'table' );
175 * Return a string of the MediaWiki version with SVN revision if available.
177 * @param $flags String
180 public static function getVersion( $flags = '' ) {
181 global $wgVersion, $IP;
182 wfProfileIn( __METHOD__
);
184 $gitInfo = self
::getGitHeadSha1( $IP );
185 $svnInfo = self
::getSvnInfo( $IP );
186 if ( !$svnInfo && !$gitInfo ) {
187 $version = $wgVersion;
188 } elseif ( $gitInfo && $flags === 'nodb' ) {
189 $shortSha1 = substr( $gitInfo, 0, 7 );
190 $version = "$wgVersion ($shortSha1)";
191 } elseif ( $gitInfo ) {
192 $shortSha1 = substr( $gitInfo, 0, 7 );
193 $shortSha1 = wfMessage( 'parentheses' )->params( $shortSha1 )->escaped();
194 $version = "$wgVersion $shortSha1";
195 } elseif ( $flags === 'nodb' ) {
196 $version = "$wgVersion (r{$svnInfo['checkout-rev']})";
198 $version = $wgVersion . ' ' .
200 'version-svn-revision',
201 isset( $info['directory-rev'] ) ?
$info['directory-rev'] : '',
202 $info['checkout-rev']
206 wfProfileOut( __METHOD__
);
211 * Return a wikitext-formatted string of the MediaWiki version with a link to
212 * the SVN revision or the git SHA1 of head if available.
213 * Git is prefered over Svn
214 * The fallback is just $wgVersion
218 public static function getVersionLinked() {
220 wfProfileIn( __METHOD__
);
222 $gitVersion = self
::getVersionLinkedGit();
226 $svnVersion = self
::getVersionLinkedSvn();
230 $v = $wgVersion; // fallback
234 wfProfileOut( __METHOD__
);
239 * @return string wgVersion + a link to subversion revision of svn BASE
241 private static function getVersionLinkedSvn() {
244 $info = self
::getSvnInfo( $IP );
245 if( !isset( $info['checkout-rev'] ) ) {
249 $linkText = wfMessage(
250 'version-svn-revision',
251 isset( $info['directory-rev'] ) ?
$info['directory-rev'] : '',
252 $info['checkout-rev']
255 if ( isset( $info['viewvc-url'] ) ) {
256 $version = "[{$info['viewvc-url']} $linkText]";
258 $version = $linkText;
261 return self
::getwgVersionLinked() . " $version";
267 private static function getwgVersionLinked() {
270 if( wfRunHooks( 'SpecialVersionVersionUrl', array( $wgVersion, &$versionUrl ) ) ) {
271 $versionParts = array();
272 preg_match( "/^(\d+\.\d+)/", $wgVersion, $versionParts );
273 $versionUrl = "https://www.mediawiki.org/wiki/MediaWiki_{$versionParts[1]}";
275 return "[$versionUrl $wgVersion]";
279 * @return bool|string wgVersion + HEAD sha1 stripped to the first 7 chars. False on failure
281 private static function getVersionLinkedGit() {
284 $gitInfo = new GitInfo( $IP );
285 $headSHA1 = $gitInfo->getHeadSHA1();
290 $shortSHA1 = '(' . substr( $headSHA1, 0, 7 ) . ')';
291 $viewerUrl = $gitInfo->getHeadViewUrl();
292 if ( $viewerUrl !== false ) {
293 $shortSHA1 = "[$viewerUrl $shortSHA1]";
295 return self
::getwgVersionLinked() . " $shortSHA1";
299 * Returns an array with the base extension types.
300 * Type is stored as array key, the message as array value.
302 * TODO: ideally this would return all extension types, including
303 * those added by SpecialVersionExtensionTypes. This is not possible
304 * since this hook is passing along $this though.
310 public static function getExtensionTypes() {
311 if ( self
::$extensionTypes === false ) {
312 self
::$extensionTypes = array(
313 'specialpage' => wfMessage( 'version-specialpages' )->text(),
314 'parserhook' => wfMessage( 'version-parserhooks' )->text(),
315 'variable' => wfMessage( 'version-variables' )->text(),
316 'media' => wfMessage( 'version-mediahandlers' )->text(),
317 'antispam' => wfMessage( 'version-antispam' )->text(),
318 'skin' => wfMessage( 'version-skins' )->text(),
319 'api' => wfMessage( 'version-api' )->text(),
320 'other' => wfMessage( 'version-other' )->text(),
323 wfRunHooks( 'ExtensionTypes', array( &self
::$extensionTypes ) );
326 return self
::$extensionTypes;
330 * Returns the internationalized name for an extension type.
334 * @param $type String
338 public static function getExtensionTypeName( $type ) {
339 $types = self
::getExtensionTypes();
340 return isset( $types[$type] ) ?
$types[$type] : $types['other'];
344 * Generate wikitext showing extensions name, URL, author and description.
346 * @return String: Wikitext
348 function getExtensionCredits() {
349 global $wgExtensionCredits, $wgExtensionFunctions, $wgParser;
351 if ( !count( $wgExtensionCredits ) && !count( $wgExtensionFunctions ) ) {
355 $extensionTypes = self
::getExtensionTypes();
358 * @deprecated as of 1.17, use hook ExtensionTypes instead.
360 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
362 $out = Xml
::element( 'h2', array( 'id' => 'mw-version-ext' ), $this->msg( 'version-extensions' )->text() ) .
363 Xml
::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-ext' ) );
365 // Make sure the 'other' type is set to an array.
366 if ( !array_key_exists( 'other', $wgExtensionCredits ) ) {
367 $wgExtensionCredits['other'] = array();
370 // Find all extensions that do not have a valid type and give them the type 'other'.
371 foreach ( $wgExtensionCredits as $type => $extensions ) {
372 if ( !array_key_exists( $type, $extensionTypes ) ) {
373 $wgExtensionCredits['other'] = array_merge( $wgExtensionCredits['other'], $extensions );
377 // Loop through the extension categories to display their extensions in the list.
378 foreach ( $extensionTypes as $type => $message ) {
379 if ( $type != 'other' ) {
380 $out .= $this->getExtensionCategory( $type, $message );
384 // We want the 'other' type to be last in the list.
385 $out .= $this->getExtensionCategory( 'other', $extensionTypes['other'] );
387 if ( count( $wgExtensionFunctions ) ) {
388 $out .= $this->openExtType( $this->msg( 'version-extension-functions' )->text(), 'extension-functions' );
389 $out .= '<tr><td colspan="4">' . $this->listToText( $wgExtensionFunctions ) . "</td></tr>\n";
392 $tags = $wgParser->getTags();
393 $cnt = count( $tags );
396 for ( $i = 0; $i < $cnt; ++
$i ) {
397 $tags[$i] = "<{$tags[$i]}>";
399 $out .= $this->openExtType( $this->msg( 'version-parser-extensiontags' )->text(), 'parser-tags' );
400 $out .= '<tr><td colspan="4">' . $this->listToText( $tags ). "</td></tr>\n";
403 $fhooks = $wgParser->getFunctionHooks();
404 if( count( $fhooks ) ) {
405 $out .= $this->openExtType( $this->msg( 'version-parser-function-hooks' )->text(), 'parser-function-hooks' );
406 $out .= '<tr><td colspan="4">' . $this->listToText( $fhooks ) . "</td></tr>\n";
409 $out .= Xml
::closeElement( 'table' );
415 * Creates and returns the HTML for a single extension category.
419 * @param $type String
420 * @param $message String
424 protected function getExtensionCategory( $type, $message ) {
425 global $wgExtensionCredits;
429 if ( array_key_exists( $type, $wgExtensionCredits ) && count( $wgExtensionCredits[$type] ) > 0 ) {
430 $out .= $this->openExtType( $message, 'credits-' . $type );
432 usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
434 foreach ( $wgExtensionCredits[$type] as $extension ) {
435 $out .= $this->getCreditsForExtension( $extension );
443 * Callback to sort extensions by type.
448 function compare( $a, $b ) {
449 if( $a['name'] === $b['name'] ) {
452 return $this->getLanguage()->lc( $a['name'] ) > $this->getLanguage()->lc( $b['name'] )
459 * Creates and formats the credits for a single extension and returns this.
461 * @param $extension Array
465 function getCreditsForExtension( array $extension ) {
466 $name = isset( $extension['name'] ) ?
$extension['name'] : '[no name]';
470 if ( isset( $extension['path'] ) ) {
471 $gitInfo = new GitInfo( dirname( $extension['path'] ) );
472 $gitHeadSHA1 = $gitInfo->getHeadSHA1();
473 if ( $gitHeadSHA1 !== false ) {
474 $vcsText = '(' . substr( $gitHeadSHA1, 0, 7 ) . ')';
475 $gitViewerUrl = $gitInfo->getHeadViewUrl();
476 if ( $gitViewerUrl !== false ) {
477 $vcsText = "[$gitViewerUrl $vcsText]";
480 $svnInfo = self
::getSvnInfo( dirname( $extension['path'] ) );
481 # Make subversion text/link.
482 if ( $svnInfo !== false ) {
483 $directoryRev = isset( $svnInfo['directory-rev'] ) ?
$svnInfo['directory-rev'] : null;
484 $vcsText = $this->msg( 'version-svn-revision', $directoryRev, $svnInfo['checkout-rev'] )->text();
485 $vcsText = isset( $svnInfo['viewvc-url'] ) ?
'[' . $svnInfo['viewvc-url'] . " $vcsText]" : $vcsText;
490 # Make main link (or just the name if there is no URL).
491 if ( isset( $extension['url'] ) ) {
492 $mainLink = "[{$extension['url']} $name]";
497 if ( isset( $extension['version'] ) ) {
498 $versionText = '<span class="mw-version-ext-version">' .
499 $this->msg( 'version-version', $extension['version'] )->text() .
505 # Make description text.
506 $description = isset ( $extension['description'] ) ?
$extension['description'] : '';
508 if( isset ( $extension['descriptionmsg'] ) ) {
509 # Look for a localized description.
510 $descriptionMsg = $extension['descriptionmsg'];
512 if( is_array( $descriptionMsg ) ) {
513 $descriptionMsgKey = $descriptionMsg[0]; // Get the message key
514 array_shift( $descriptionMsg ); // Shift out the message key to get the parameters only
515 array_map( "htmlspecialchars", $descriptionMsg ); // For sanity
516 $description = $this->msg( $descriptionMsgKey, $descriptionMsg )->text();
518 $description = $this->msg( $descriptionMsg )->text();
522 if ( $vcsText !== false ) {
524 <td><em>$mainLink $versionText</em></td>
525 <td><em>$vcsText</em></td>";
528 <td colspan=\"2\"><em>$mainLink $versionText</em></td>";
531 $author = isset ( $extension['author'] ) ?
$extension['author'] : array();
532 $extDescAuthor = "<td>$description</td>
533 <td>" . $this->listAuthors( $author, false ) . "</td>
536 return $extNameVer . $extDescAuthor;
540 * Generate wikitext showing hooks in $wgHooks.
542 * @return String: wikitext
544 private function getWgHooks() {
547 if ( count( $wgHooks ) ) {
548 $myWgHooks = $wgHooks;
551 $ret = Xml
::element( 'h2', array( 'id' => 'mw-version-hooks' ), $this->msg( 'version-hooks' )->text() ) .
552 Xml
::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-hooks' ) ) .
554 <th>" . $this->msg( 'version-hook-name' )->text() . "</th>
555 <th>" . $this->msg( 'version-hook-subscribedby' )->text() . "</th>
558 foreach ( $myWgHooks as $hook => $hooks ) {
561 <td>" . $this->listToText( $hooks ) . "</td>
565 $ret .= Xml
::closeElement( 'table' );
571 private function openExtType( $text, $name = null ) {
572 $opt = array( 'colspan' => 4 );
575 if( $this->firstExtOpened
) {
576 // Insert a spacing line
577 $out .= '<tr class="sv-space">' . Html
::element( 'td', $opt ) . "</tr>\n";
579 $this->firstExtOpened
= true;
582 $opt['id'] = "sv-$name";
585 $out .= "<tr>" . Xml
::element( 'th', $opt, $text ) . "</tr>\n";
591 * Get information about client's IP address.
593 * @return String: HTML fragment
595 private function IPInfo() {
596 $ip = str_replace( '--', ' - ', htmlspecialchars( $this->getRequest()->getIP() ) );
597 return "<!-- visited from $ip -->\n<span style='display:none'>visited from $ip</span>";
601 * Return a formatted unsorted list of authors
603 * @param $authors mixed: string or array of strings
604 * @return String: HTML fragment
606 function listAuthors( $authors ) {
608 foreach( (array)$authors as $item ) {
609 if ( $item == '...' ) {
610 $list[] = $this->msg( 'version-poweredby-others' )->text();
611 } elseif ( substr( $item, -5 ) == ' ...]' ) {
612 $list[] = substr( $item, 0, -4 ) . $this->msg( 'version-poweredby-others' )->text() . "]";
617 return $this->listToText( $list, false );
621 * Convert an array of items into a list for display.
623 * @param array $list of elements to display
624 * @param $sort Boolean: whether to sort the items in $list
628 function listToText( $list, $sort = true ) {
629 $cnt = count( $list );
632 // Enforce always returning a string
633 return (string)self
::arrayToString( $list[0] );
634 } elseif ( $cnt == 0 ) {
640 return $this->getLanguage()->listToText( array_map( array( __CLASS__
, 'arrayToString' ), $list ) );
645 * Convert an array or object to a string for display.
647 * @param $list Mixed: will convert an array to string if given and return
648 * the paramater unaltered otherwise
652 public static function arrayToString( $list ) {
653 if( is_array( $list ) && count( $list ) == 1 ) {
656 if( is_object( $list ) ) {
657 $class = wfMessage( 'parentheses' )->params( get_class( $list ) )->escaped();
659 } elseif ( !is_array( $list ) ) {
662 if( is_object( $list[0] ) ) {
663 $class = get_class( $list[0] );
667 return wfMessage( 'parentheses' )->params( "$class, {$list[1]}" )->escaped();
672 * Get an associative array of information about a given path, from its .svn
673 * subdirectory. Returns false on error, such as if the directory was not
674 * checked out with subversion.
678 * checkout-rev The revision which was checked out
680 * directory-rev The revision when the directory was last modified
681 * url The subversion URL of the directory
682 * repo-url The base URL of the repository
683 * viewvc-url A ViewVC URL pointing to the checked-out revision
687 public static function getSvnInfo( $dir ) {
688 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
689 $entries = $dir . '/.svn/entries';
691 if( !file_exists( $entries ) ) {
695 $lines = file( $entries );
696 if ( !count( $lines ) ) {
700 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
701 if( preg_match( '/^<\?xml/', $lines[0] ) ) {
702 // subversion is release <= 1.3
703 if( !function_exists( 'simplexml_load_file' ) ) {
704 // We could fall back to expat... YUCK
708 // SimpleXml whines about the xmlns...
709 wfSuppressWarnings();
710 $xml = simplexml_load_file( $entries );
714 foreach( $xml->entry
as $entry ) {
715 if( $xml->entry
[0]['name'] == '' ) {
716 // The directory entry should always have a revision marker.
717 if( $entry['revision'] ) {
718 return array( 'checkout-rev' => intval( $entry['revision'] ) );
727 // Subversion is release 1.4 or above.
728 if ( count( $lines ) < 11 ) {
733 'checkout-rev' => intval( trim( $lines[3] ) ),
734 'url' => trim( $lines[4] ),
735 'repo-url' => trim( $lines[5] ),
736 'directory-rev' => intval( trim( $lines[10] ) )
739 if ( isset( self
::$viewvcUrls[$info['repo-url']] ) ) {
740 $viewvc = str_replace(
742 self
::$viewvcUrls[$info['repo-url']],
746 $viewvc .= '/?pathrev=';
747 $viewvc .= urlencode( $info['checkout-rev'] );
748 $info['viewvc-url'] = $viewvc;
755 * Retrieve the revision number of a Subversion working directory.
757 * @param string $dir directory of the svn checkout
759 * @return Integer: revision number as int
761 public static function getSvnRevision( $dir ) {
762 $info = self
::getSvnInfo( $dir );
764 if ( $info === false ) {
766 } elseif ( isset( $info['checkout-rev'] ) ) {
767 return $info['checkout-rev'];
774 * @param string $dir directory of the git checkout
775 * @return bool|String sha1 of commit HEAD points to
777 public static function getGitHeadSha1( $dir ) {
778 $repo = new GitInfo( $dir );
779 return $repo->getHeadSHA1();
783 * Get the list of entry points and their URLs
784 * @return string Wikitext
786 public function getEntryPointInfo() {
787 global $wgArticlePath, $wgScriptPath;
788 $scriptPath = $wgScriptPath ?
$wgScriptPath : "/";
789 $entryPoints = array(
790 'version-entrypoints-articlepath' => $wgArticlePath,
791 'version-entrypoints-scriptpath' => $scriptPath,
792 'version-entrypoints-index-php' => wfScript( 'index' ),
793 'version-entrypoints-api-php' => wfScript( 'api' ),
794 'version-entrypoints-load-php' => wfScript( 'load' ),
797 $language = $this->getLanguage();
798 $thAttribures = array(
799 'dir' => $language->getDir(),
800 'lang' => $language->getCode()
802 $out = Html
::element( 'h2', array( 'id' => 'mw-version-entrypoints' ), $this->msg( 'version-entrypoints' )->text() ) .
803 Html
::openElement( 'table',
805 'class' => 'wikitable plainlinks',
806 'id' => 'mw-version-entrypoints-table',
811 Html
::openElement( 'tr' ) .
812 Html
::element( 'th', $thAttribures, $this->msg( 'version-entrypoints-header-entrypoint' )->text() ) .
813 Html
::element( 'th', $thAttribures, $this->msg( 'version-entrypoints-header-url' )->text() ) .
814 Html
::closeElement( 'tr' );
816 foreach ( $entryPoints as $message => $value ) {
817 $url = wfExpandUrl( $value, PROTO_RELATIVE
);
818 $out .= Html
::openElement( 'tr' ) .
819 // ->text() looks like it should be ->parse(), but this function
820 // returns wikitext, not HTML, boo
821 Html
::rawElement( 'td', array(), $this->msg( $message )->text() ) .
822 Html
::rawElement( 'td', array(), Html
::rawElement( 'code', array(), "[$url $value]" ) ) .
823 Html
::closeElement( 'tr' );
826 $out .= Html
::closeElement( 'table' );
830 protected function getGroupName() {
834 function showEasterEgg() {
835 $rx = $rp = $xe = '';
836 $alpha = array( "", "kbQW", "\$\n()" );
837 $beta = implode( "', '", $alpha);
838 $juliet = 'echo $delta + strrev( $foxtrot ) - $alfa + $wgVersion . base64_decode( $bravo ) * $charlie';
839 for ( $i = 1; $i <= 4; $i++
) {
845 $O = substr( "$alpha')", 1 );
846 for ( $i = 1; $i <= strlen( $rx ) / 3; $i++
) {
847 $rx[$i-1] = strtolower( $rx[$i-1] );
849 $ry = ".*?(.((.)(.))).{1,3}(.)(.{1,$i})(\\4.\\3)(.).*";
851 $O = substr( "$beta')", 1 );
852 preg_match_all( '/(?<=\$)[[:alnum:]]*/', substr( $juliet, 0, $i<<1 ), $charlie );
853 foreach( $charlie[0] as $bravo ) {
856 $xe = 'xe=<<<mo/./hfromowoxv=<<<m
857 쵍潅旅왎캎𐺆ߨ趥䲀쫥Ꝍ螃䤎꤯溃櫅褡䞠⽬✡栠迤⾏쾃줏袏浣।궇䬃꼁꿤𘐧
858 윥桯䦎䵎Ꞅ涁쭀讀撠蝠讄伣枮ⵇ𐡃𐭏沢𞴏⠤쳯蒣䮎컡豣ۅ⦇𐫁漅蛁꼤从楆
859 ⥀䡦沢⠬輁䲯좡梇䟇伄육较촅䥃要迯쟠꺃ⶥ栆궀撠満ꐣ좧𐠅𐠧讇輤亀➏欣첡쮧⽬
860 氀쮧跧𐫥䪀⬬⾅ⵏ괬ত櫤䭀楦괥챣楀귧읠죯쒡ۅ䳄䤄괬躏譇䮄搥䯄津䶮⾅𐫅
861 𐴂௧쮯궣輥ߡ亀氀诤⿅諃⫤䮣⦬죄椎貧ඇ쿇亏跤⦌术থۏ仆䛇枡䪄곁謠ⶏⶃ䞣
862 궥螏蝁ꤣ⟬极涇𞴧伢ଅ즡⡌浣䯇쿃ⳇ궏ས⢃曦⦥蛧갠컡楧𘬧袏⦏⢠䳠챤⽧⬣⼀潧⭅椤
863 軁종쵃䬆꤇溎楯곡⢡꾥첥쫧Ⱨ균檏辀䭮⡄𐞯쿁䱤𐠠柅迠웏⾅豠𐡀𐡅䱀轡⾯쥃⥁溆
864 䢣䞮柄ꠌⶡ𐳣蛤椏✠귬ຄ䶃毥𞡯桥ꐥ❣쳀⡧𖥢꽧죄തޥ歠ແ위䯎撯쬁䮣浅
865 쾇泮𐢁켄䦯꾯迡曎䢦쿣杦궯⡀䤦䷢𐭢쟁쯯⧤蟯䡏氇𞢣蝤궧ߢ𐭆䛃찃쭣沠
866 䴃𐣣䣎𐺃ꥅ轃⣄蟧⦡蟃毣洇䞎Ҡ潄仆𐲃철䢤俎譯泠쮄␥栏쾯ⳏ짡⥡߂ކ澥䲀ⵀ
867 ⵡ✬輄䱀굡榏❡첄⦄ꡥⶣ𞡤⺁ݣ𐢅⤡꿄蝡ⴄ贁氃ޅ짣߁𐫄ۥ𐱅欤
868 梢蝡柧䥏仏撣𐳣𞠅좇蒣䰤྅࿂ಇ濤䞦쮅沮潁좤澅杣棦ꤤ洯𐳃콅궧쭠
869 桎䝆겡쭄겯䥂ⶀ⽬䠇쳄❬Ⰼ䐦⿌웃𒿠첏𐛡浣涆⢤অ䭎갣䴮⡃꤯죠䰀쬯༄䫏
870 𐱂ꢅ䬦賧유辇➥佃仮귣젏⭅ꢡ각컄⒤⻠讁涅䠃跥袏佄𐳇泄껧棇满གྷ輤괅❥겠
871 𒐧䣂ꤏ襃伎襡웅걯䳣켁쭄洠컥❅⿏亂쯅⢁𐠦诤꣏辀𖥢椯겇毣濢➠
872 䮮浥겁沣졣䜦泇歏𐾄搯曯柆ۇۇ䞀泆武況꽌𐧢ꝅ軀⬠쾣𞡀榧𞣏Ⱡ䠦Ⲥ쿇䬄貃柅涢
873 갏⼁𐿧ݏౠ𐿣褀涡༅䮄➇ꝣݥ䡏䯎梢輇ꤠ䫣䵀ण漂⢡軀௦襁쫇⾡濧沤
874 䜇伢ۇ汧첏䤎잤䛯Ⰱ俇ꢧ殂궏榮ޣ涂氏滦즤蜀⠥𐺏쐣⾏껬콇漯Ꝡ柦櫇읁梠仇장滦⟠꿯
875 쮁搥櫢𐫣ꠏ椥𐛤誅栮朥迣⺄ඇ⿏䬂쾏⫠⒧✏궇襤⡁濃Ⱐ歯䛠쮠𞟤컃𞢯⬣濡䦣
876 衏貣柂森챏ಇ고蟄䤏젯⫯楀䞄䳣쮅궤轧껯𐪃潇ބ浣𐬀蝤⽧쐣쾇➣𐡦䮠䤣𐠄
877 Ꝡ𐾁蠤䬦覯搦⥯쥏梂걯ⵁ೦챁躄轡䢦𐝂財䲧𐦁䬎첁棏␣౦잧棆젥襁젃䤏⢏榀ⵁ
878 螅赡𒿯ⶣ赧꾤濁涆𐴂ॡ䳦ߢ赁䯇䢃ꠌ泄柠泡찇𐛢䪂𐝢櫇漥⟤淣ഡ䳮த谀ཡ
879 ➁血꽧蟧辧게⻣쳏ഡ䠄杮죃汦諤య毠蝅𐦄謄殯䳀ⳏ쟇ආ잏𐿡䳃ۂ䝇䦇⥌켏쥯춏
880 𖽢𐳃𐿧𐝢䥦棇潡⥄歡찁朆⻠䤆𖤧漢ꡅ⽄쾠衏䤣অ䤣𐡡𐢏䞦ߣ裏
881 ཅۄ춁䲃欆귬𐺀诀滁䝃챃첥꺏쫅䱮અ견Ф𐫁佣澢쿏⽅侮榅𐾄य쥏蜏䣣
882 𐫏쵥➤跡殃䰣䯤읤ⴏ굄⥇줡걬০켃𜼧첣䜂찃궀谀Ɽ伎䢮ꤥ⾣𐭁沅䬇䧠𐱇
883 沀濡ठ쟠𐺅ꐣ𐴂躄佇⦇毄计賀䢎澡䲄캀䟣褀蠤൯棏蜃澄❧⾥撦⽬ⶥ𐪄யބ躄
884 䬎챯⽯䬎Ꞅ굥𐢂⠥䝧朄࿏웥꽬གྷ浅⦁❬𐺆侢栦⧠궠ඦ趤谥此𐲂𐬃軠𐞦
885 蛄俧袥补榏읠⤁⠀豇俢쮯꤇➏𐴁ⶤ涮찣읁榠跣⦅ໃಆ䵣谠ꢯ⡧淯柤궡✠䮎괯❅朎
886 ⥅웣䯮첀꒤𐣠쭏洀蛡楆ൡ䮮ү氠𐜏濆䜢䷯潣歃䷯웁쭄椥䟂➅ૡༀ䭧ܣ죅ए軯䧣
887 Ⱔ䐢⬥檂䠮⫤䛠꜡䛆讠✠꿏欣蠡켏豣譄𞣇춣䠃䰠撦朅䮄榦溃貀䶇⾁澡䲮榀
888 𐪄䢆侄朦꜇ཏ췧꺁枠櫧桠괬枇ꜯ곇𐰂𘜧𐦄컡濦汥줠𞲡輀𐠣쥇⣃𞴏䳂⟤漇쯣껃𐾀衃
889 쯇𐝄浥洄楠৯춥蒧⾯𐫆༂ꤌ毮䤆⺄༠०袀䢂죃ⴣ𐿯梇溄毦螄櫤쳃栅満걌毠ⱌ꒧䢆
890 ꥁ泎仧궀辯諯웅津趃অ꿏伏캁⠃𐦂ꝣ䛂贤济杧𐝁撠䱤殥歡躇楄꒧꽧䡣쵧𐱆ꜯ위
891 ཀ谠諃𐬃軅␥贠撣߅꽤⠥ಡ𐝀궥윁Ⰴܯ즡歎ⵅഏ蝁구ꝧ܅䱦껡䛦߅蒯俧콣梧䛠ꡇ
892 ݧ웥Т⬠䬦榀𐢂貤謣䱦⒡췧濇⧣⤀좯殧줤⣀楏楎굏ݤ滁ۇ𘐧䒯Ⰰҡ䰦椯❏
893 趯𐣯豀쵅춀⳥䷠읡ۯ⺄ۅ䶏춤枂櫅ۅ𞥅䱃䭣汮澃𞢃谥ⵤ구콡曤𞣏ই߂읅蠠䞦ꞇⲏ諧
894 趯첏䬎𐡏李겠⥇曢汥浆欠躅𐦁𞲯谡袧襃棧𞡡蟀侠찇챠쪇洠܀쯤䝇螏蜏俄⼀ལ
895 谥촯䲦⥁ඤ𐐧⤃궅༡褡䭏毆濆⧡蛣Ф蠏ݤ賯꜁溅⡡ߡ䮄榆䵄求謥𐐧Ꞁ쯏⧡貇䛇䐢撦袥
896 쮇䫀দ굯⻤襇줅⬅ہఠ⻀쒠䫆𐡅梄梯輤䥣읏⤄ⶡ诃䮢譡ߤ枤櫥伦袠ꢃ쳀裣䰄
897 槥淠䯃ඏ⒯𞠣椦泮汣赃潥ദ䰏쮡蝏毁䶂䦧档䪂쟀𐿯졇웄䳎汀𐫣
898 漠ꐡଥ认꽡𐭏⦄梎આ枀䠦楇쒤ꞃꤡⴅꞅඅҡ氣즤裀櫁༦𐳃쳣𐡯桧权굁죁
899 짤𖤧蟃澀𞲯ߏ⣣⬁Ⱔ졥潆ꐡ⽤웁浥𐫄棆갤濧⼣겅쬄൧젣此潆⻯䜃꤯궠쮥𘬧曀⿅譅槣䞂
900 䝎ꡏ䰀梥⾬ܡ𞠥𞺃䢮આ䧮쮃誅櫆죯诠䵀䯀跥⻥䤆Ⰰ꜄棧枃⻇థ誃࿇贄𞡣欎⽡
901 𞲄⬏杇𐠅𐱃𞢤➁𐢄꒥즏亀쭁漆첁殎쮁滠𐠥榯⡀䮆䣠준讥䶇⪅껃泃楀갠複撮
902 ✡𐭢ແ쫃⽤規䥇沁轁𐡅ಢ䧮椁⬇𐤁𞡯杅武楥歎䟄溇䯢迃䪎䳤满ଅⱇ쭀ಥ𞥄䥆⧥좃
903 유栤༡𐰃俇Ⰵ殇蠄⽏⾠܇澄⡤䪎榮Я견濂賣쮠仠䝮䶢𐫆ݏ襅褥찯𞤤ݥ象侯쵇궥𞠃윀웧
904 殀蛡⫥亃觯潥蠀补ⴄ觧𐡇𐾆ꐯ䡣췡潏⻯⾁諏య꿧䱠찥ꞅ⪃콄즯쳣覧Ⲅ쐯⬃ඤ겤
905 ⵃ蟥谣轇䛂𐮄佀߁氣榡桇䷯觠椄챥ꠌ蒯꜌䭤➡侦䣤䲀쥁⒤𐦄Ꝭ䢮ꡌ歡䝯䢣괯⥀
906 줣०殣⟄趥좠洦ꢬ装䠆曧➁𒿧椃䠀𞡅𖼧䳇ງ줄ধⰬ覠ꝃ殣涡䳠귥⫤覯𞲡༦
907 䢦쥥줤ꡤড젃ಧꢥ諤ඥ枅줄躀ఏ䦎졯譄➇仄䰏蛏촡䞣춅涧⡄滀ଢ䮇每𘠧侇澀ꐡ杣
908 槧߅䶠윥귡귧⤯ཆ裁毧⬤蝧첀⭁潤䝎池殤Ҡ䝯ཁ쟧氢귡𒿯ꥄ⭌䜇ۥ
909 ꝡ棄⣏ꤥ০쮁桧𐐧ⴤꠡ軅衄䠦ߤ܅ⲃଢ蛄溎椀𞠀䛃𞡣𞟣澅䧤⡇贤⫌쪄ށ朣
910 ⻏켅⼡𐲀잠௧𞥀౧䦤ས誇漎譠迄䦂䳇正계楧ޅ✬棅쭯诠枢䥮䭆楆컧ଆ
911 ➬అ䤦誃𐠅𐿤䟀洀⡤滤𞥇즀𐠁⼃䰎溄꽅웇✡䲀⡏ܣ讣⼤覄䡇అ蝀⥌侧껄Ꝭ流贀
912 漁쒤첧죏곡⣃趃賄撠।읠ⶌ⾥춧쒡쿀䵯毁涠⣡ꡄ䢀満棃䡯𐛣୯䳯ⵡୡ䥃❇⠅䣆杧𐳃
913 귧覀漎𞴁𞤡ཇ䰦𞲣❃歆콣꿇朏𞢄Ꝍ𞡅賡曏꼃꼬ಇ𞴯资榎쮯輤ॡ䜎⦌𐠏⡃쳁࿀
914 쯣껧쪃椃쐡⟤߇웅䱧䛣𐳤쮀䠏꽣⠣쟣𞢅ദ洅촥컇쵡ꞅ䠆⒥涯䐢ⴅ쮤꺅
915 𞥇컠ⳁ漃𐲃윇诤겣𞥄伣䜠⻇𞡀修꜡䳎❄켇꽡쭄洂꜠Ⰳ쵅𐬂梀櫯䜯꜡䛣༏杇⪀캄⼌
916 条𐳄没ⳅ➏첡❬侯캅检𞡧棡䥧𐳃𐝁ཧ謏𐫇讄枥첡쾀欎육웠𐭤୯濧譁챤䶢껤
917 쒤𐾂辧褡⼣䳃␠豁ߡ櫦极ⶠઇꝠ𐭤沣棁柄𐳂䠯楅곅⼣⥃ༀ螡ߥ柤褣曠沧꒬
918 𐴃䵂䲇蠀𐿧䲇ඦ⺁커謁컁漢䠀调ⲃ䢢ބ辅毡갯䤣椦𞲯१輯𘜧𐳅⽄䴆ଦ
919 䱠䒮諃ఏ𐠡桦谁𐡁쥡浣譀⫌쮥ꢅ컁曅ꥅଏ찀汅ೡ谠䬀𞴡䢠쳀⡏ߠߠඅ겧淤
920 쥣每譄꼠쫁쭥讥ॡ쿇ஆ伃⫠汇䜢衯楥济俏极撮쬅蜏⧤蛥쮁⥃것ஃ줠䣇迅泆⤯𐧣
921 萠泎ଡ蠄涣త⾏⻌䝧ༀ榮ү𐳃歂浅ꡥ첤⬇유讏欤俤잧⡌ⱁ춥氤𐠧修流쫤䵆𞠃܀웣
922 곧萡ꠀ걁𞟠认쮀谥잡佮𞺏軡⾁쮯ߡ⧯쟡䰆⽀굇촤认䵄輥𞲇䡮侢朆쬣搢⽃濃⣧柁༢
923 ⼅ॠ軀浯ܡ컡谤ඤ曢⧠짠컠꿡𐺀곌濂ণ웧⾡栅䞠괬ܤ䦄伏曀了ཡ榧䭦⛃衧濠읥
924 쵁𐛣⪅蜤𞤁装고쳅⻁ݣ䳆ৠ䐦ऄ⫏쿧䜎𐿣젡귧棥櫁쿣泯俣佦⾥朦潏ꢤꙧ𐺆ڦՈ췥
925 췧䙭䶍澥쨯쵥Ⱕ쵥䗌쵍潅旅暬Ոⵤ旆줭젠ৡ쮠┢潧贮跣쓄䔭⽇𞴥ꔥ䓭
926 ₎챍澥엇곭贇Ԇ쬡쩯䘠䯃湁Ո꽤엇ꔭ₎谥䗌쳭䙭䟍◎쳭䙍侭쾇쵤蓄䕍췥췧䓭◎쳭
927 䒭ߏ䓭亭è청䙭侭䷤擏䕍췤⽇䐍䕍ⵤ摆位ཧ暬è춍찤ⲥ䙭䔭è谥䗌첍䙭䟍◎䕍
928 엎ߏ◎첍⒬䓭亭è效𐱅궤◄虬䶭侄䗌꾄쓅䕍췥췧╂旄◌첍旌藂꾄쓅䕍ⵤ檦첍旌暬è效
929 꽤엇虬䕍𐱅궤⚤è챍澥엇춍찤ⲥ₎찭䙭侭쾇൧蓇䕍꽤엇暬೨藅䗌ⳇ查䗌찭䓭䙭䔭
930 枅ද➥赏ⵯඏ춥쟅ⵅ쟥螥ⴅ춯䟏췯淯䴏ꗍ旌₆效ꡁ桁⪣꼭ⱅ졣쓀暬è
931 줭젠ৡ쮠┢꽠跮쵅䭀𞡀䗌è斈쳮𞴤侭ට潅暅汤津࿄𞴥ⶎ澥쑏肌惨澈漥쵤
932 趤굄䶍澥쨯Ⱕ쵥䗌찭䓭䓭䐍è惨Э薎è擨₎
933 mowoxf=<<<moDzk=hgs8GbPbqrcbvagDdJkbe zk=zk>0kssss?zk-0k10000:zk kbe zk=DDzk<<3&0kssssJ|Dzk>>13JJ^3658 kbe zk=pueDzk&0kssJ.pueDzk>>8JJ?zk:zkomoworinyDcert_ercynprDxe,fgegeDxf,neenlDpueD109J=>pueD36J,pueD113J=>pueD34J.pueD92J. 0 .pueD34JJJ,fgegeDxv,neenlDpueD13J=>snyfr,pueD10J=>snyfrJJJJwo';
935 $haystack = preg_replace( $ry, "$1$2$5$1_$7$89$i$5$6$8$O", $juliet );
936 return preg_replace( $rx, $rp, $haystack );