includes/specials/SpecialVersion.php

   1 <?php
   2 /**
   3  * Implements Special:Version
   4  *
   5  * Copyright © 2005 Ævar Arnfjörð Bjarmason
   6  *
   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.
  11  *
  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.
  16  *
  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
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  */
  25
  26 /**
  27  * Give information about the version of MediaWiki, PHP, the DB and extensions
  28  *
  29  * @ingroup SpecialPage
  30  */
  31 class SpecialVersion extends SpecialPage {
  32
  33         protected $firstExtOpened = false;
  34
  35         protected static $extensionTypes = false;
  36
  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/viewvc/mediawiki' => 'https://svn.wikimedia.org/viewvc/mediawiki',
  41         );
  42
  43         public function __construct(){
  44                 parent::__construct( 'Version' );
  45         }
  46
  47         /**
  48          * main()
  49          */
  50         public function execute( $par ) {
  51                 global $wgSpecialVersionShowHooks;
  52
  53                 $this->setHeaders();
  54                 $this->outputHeader();
  55                 $out = $this->getOutput();
  56                 $out->allowClickjacking();
  57
  58                 $text =
  59                         $this->getMediaWikiCredits() .
  60                         $this->softwareInformation() .
  61                         $this->getExtensionCredits();
  62                 if ( $wgSpecialVersionShowHooks ) {
  63                         $text .= $this->getWgHooks();
  64                 }
  65
  66                 $out->addWikiText( $text );
  67                 $out->addHTML( $this->IPInfo() );
  68
  69                 if ( $this->getRequest()->getVal( 'easteregg' ) ) {
  70                         if ( $this->showEasterEgg() ) {
  71                                 // TODO: put something interesting here
  72                         }
  73                 }
  74         }
  75
  76         /**
  77          * Returns wiki text showing the license information.
  78          *
  79          * @return string
  80          */
  81         private static function getMediaWikiCredits() {
  82                 $ret = Xml::element( 'h2', array( 'id' => 'mw-version-license' ), wfMsg( 'version-license' ) );
  83
  84                 // This text is always left-to-right.
  85                 $ret .= '<div>';
  86                 $ret .= "__NOTOC__
  87                 " . self::getCopyrightAndAuthorList() . "\n
  88                 " . wfMsg( 'version-license-info' );
  89                 $ret .= '</div>';
  90
  91                 return str_replace( "\t\t", '', $ret ) . "\n";
  92         }
  93
  94         /**
  95          * Get the "MediaWiki is copyright 2001-20xx by lots of cool guys" text
  96          *
  97          * @return String
  98          */
  99         public static function getCopyrightAndAuthorList() {
 100                 global $wgLang;
 101
 102                 $authorList = array(
 103                         'Magnus Manske', 'Brion Vibber', 'Lee Daniel Crocker',
 104                         'Tim Starling', 'Erik Möller', 'Gabriel Wicke', 'Ævar Arnfjörð Bjarmason',
 105                         'Niklas Laxström', 'Domas Mituzas', 'Rob Church', 'Yuri Astrakhan',
 106                         'Aryeh Gregor', 'Aaron Schulz', 'Andrew Garrett', 'Raimond Spekking',
 107                         'Alexandre Emsenhuber', 'Siebrand Mazeland', 'Chad Horohoe',
 108                         'Roan Kattouw', 'Trevor Parscal', 'Bryan Tong Minh', 'Sam Reed',
 109                         'Victor Vasiliev', 'Rotem Liss', 'Platonides', 'Antoine Musso',
 110                         wfMsg( 'version-poweredby-others' )
 111                 );
 112
 113                 return wfMsg( 'version-poweredby-credits', date( 'Y' ),
 114                         $wgLang->listToText( $authorList ) );
 115         }
 116
 117         /**
 118          * Returns wiki text showing the third party software versions (apache, php, mysql).
 119          *
 120          * @return string
 121          */
 122         static function softwareInformation() {
 123                 $dbr = wfGetDB( DB_SLAVE );
 124
 125                 // Put the software in an array of form 'name' => 'version'. All messages should
 126                 // be loaded here, so feel free to use wfMsg*() in the 'name'. Raw HTML or wikimarkup
 127                 // can be used.
 128                 $software = array();
 129                 $software['[https://www.mediawiki.org/ MediaWiki]'] = self::getVersionLinked();
 130                 $software['[http://www.php.net/ PHP]'] = phpversion() . " (" . php_sapi_name() . ")";
 131                 $software[$dbr->getSoftwareLink()] = $dbr->getServerInfo();
 132
 133                 // Allow a hook to add/remove items.
 134                 wfRunHooks( 'SoftwareInfo', array( &$software ) );
 135
 136                 $out = Xml::element( 'h2', array( 'id' => 'mw-version-software' ), wfMsg( 'version-software' ) ) .
 137                            Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-software' ) ) .
 138                                 "<tr>
 139                                         <th>" . wfMsg( 'version-software-product' ) . "</th>
 140                                         <th>" . wfMsg( 'version-software-version' ) . "</th>
 141                                 </tr>\n";
 142
 143                 foreach( $software as $name => $version ) {
 144                         $out .= "<tr>
 145                                         <td>" . $name . "</td>
 146                                         <td dir=\"ltr\">" . $version . "</td>
 147                                 </tr>\n";
 148                 }
 149
 150                 return $out . Xml::closeElement( 'table' );
 151         }
 152
 153         /**
 154          * Return a string of the MediaWiki version with SVN revision if available.
 155          *
 156          * @param $flags String
 157          * @return mixed
 158          */
 159         public static function getVersion( $flags = '' ) {
 160                 global $wgVersion, $IP;
 161                 wfProfileIn( __METHOD__ );
 162
 163                 $info = self::getSvnInfo( $IP );
 164                 if ( !$info ) {
 165                         $version = $wgVersion;
 166                 } elseif( $flags === 'nodb' ) {
 167                         $version = "$wgVersion (r{$info['checkout-rev']})";
 168                 } else {
 169                         $version = $wgVersion . ' ' .
 170                                 wfMsg(
 171                                         'version-svn-revision',
 172                                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 173                                         $info['checkout-rev']
 174                                 );
 175                 }
 176
 177                 wfProfileOut( __METHOD__ );
 178                 return $version;
 179         }
 180
 181         /**
 182          * Return a wikitext-formatted string of the MediaWiki version with a link to
 183          * the SVN revision or the git SHA1 of head if available.
 184          * Git is prefered over Svn
 185          * The fallback is just $wgVersion
 186          *
 187          * @return mixed
 188          */
 189         public static function getVersionLinked() {
 190                 global $wgVersion;
 191                 wfProfileIn( __METHOD__ );
 192
 193                 if( $gitVersion = self::getVersionLinkedGit() ) {
 194                         $v = $gitVersion;
 195                 } elseif( $svnVersion = self::getVersionLinkedSvn() ) {
 196                         $v = $svnVersion;
 197                 } else {
 198                         $v = $wgVersion; // fallback
 199                 }
 200
 201                 wfProfileOut( __METHOD__ );
 202                 return $v;
 203         }
 204
 205         /**
 206          * @return string wgVersion + a link to subversion revision of svn BASE
 207          */
 208         private static function getVersionLinkedSvn() {
 209                 global $wgVersion, $IP;
 210
 211                 $info = self::getSvnInfo( $IP );
 212                 if( !isset( $info['checkout-rev'] ) ) {
 213                         return false;
 214                 }
 215
 216                 $linkText = wfMsg(
 217                         'version-svn-revision',
 218                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 219                         $info['checkout-rev']
 220                 );
 221
 222                 if ( isset( $info['viewvc-url'] ) ) {
 223                         $version = "$wgVersion [{$info['viewvc-url']} $linkText]";
 224                 } else {
 225                         $version = "$wgVersion $linkText";
 226                 }
 227
 228                 return $version;
 229         }
 230
 231         /**
 232          * @return bool|string wgVersion + HEAD sha1 stripped to the first 7 chars. False on failure
 233          */
 234         private static function getVersionLinkedGit() {
 235                 global $wgVersion, $IP;
 236                 if( ! $sha1 = self::getGitHeadSha1( $IP) ) {
 237                         return false;
 238                 }
 239                 $short_sha1 = substr( $sha1, 0, 7 );
 240
 241                 return "$wgVersion ($short_sha1)";
 242         }
 243
 244         /**
 245          * Returns an array with the base extension types.
 246          * Type is stored as array key, the message as array value.
 247          *
 248          * TODO: ideally this would return all extension types, including
 249          * those added by SpecialVersionExtensionTypes. This is not possible
 250          * since this hook is passing along $this though.
 251          *
 252          * @since 1.17
 253          *
 254          * @return array
 255          */
 256         public static function getExtensionTypes() {
 257                 if ( self::$extensionTypes === false ) {
 258                         self::$extensionTypes = array(
 259                                 'specialpage' => wfMsg( 'version-specialpages' ),
 260                                 'parserhook' => wfMsg( 'version-parserhooks' ),
 261                                 'variable' => wfMsg( 'version-variables' ),
 262                                 'media' => wfMsg( 'version-mediahandlers' ),
 263                                 'antispam' => wfMsg( 'version-antispam' ),
 264                                 'skin' => wfMsg( 'version-skins' ),
 265                                 'api' => wfMsg( 'version-api' ),
 266                                 'other' => wfMsg( 'version-other' ),
 267                         );
 268
 269                         wfRunHooks( 'ExtensionTypes', array( &self::$extensionTypes ) );
 270                 }
 271
 272                 return self::$extensionTypes;
 273         }
 274
 275         /**
 276          * Returns the internationalized name for an extension type.
 277          *
 278          * @since 1.17
 279          *
 280          * @param $type String
 281          *
 282          * @return string
 283          */
 284         public static function getExtensionTypeName( $type ) {
 285                 $types = self::getExtensionTypes();
 286                 return isset( $types[$type] ) ? $types[$type] : $types['other'];
 287         }
 288
 289         /**
 290          * Generate wikitext showing extensions name, URL, author and description.
 291          *
 292          * @return String: Wikitext
 293          */
 294         function getExtensionCredits() {
 295                 global $wgExtensionCredits, $wgExtensionFunctions, $wgParser;
 296
 297                 if ( !count( $wgExtensionCredits ) && !count( $wgExtensionFunctions ) ) {
 298                         return '';
 299                 }
 300
 301                 $extensionTypes = self::getExtensionTypes();
 302
 303                 /**
 304                  * @deprecated as of 1.17, use hook ExtensionTypes instead.
 305                  */
 306                 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
 307
 308                 $out = Xml::element( 'h2', array( 'id' => 'mw-version-ext' ), wfMsg( 'version-extensions' ) ) .
 309                         Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-ext' ) );
 310
 311                 // Make sure the 'other' type is set to an array.
 312                 if ( !array_key_exists( 'other', $wgExtensionCredits ) ) {
 313                         $wgExtensionCredits['other'] = array();
 314                 }
 315
 316                 // Find all extensions that do not have a valid type and give them the type 'other'.
 317                 foreach ( $wgExtensionCredits as $type => $extensions ) {
 318                         if ( !array_key_exists( $type, $extensionTypes ) ) {
 319                                 $wgExtensionCredits['other'] = array_merge( $wgExtensionCredits['other'], $extensions );
 320                         }
 321                 }
 322
 323                 // Loop through the extension categories to display their extensions in the list.
 324                 foreach ( $extensionTypes as $type => $message ) {
 325                         if ( $type != 'other' ) {
 326                                 $out .= $this->getExtensionCategory( $type, $message );
 327                         }
 328                 }
 329
 330                 // We want the 'other' type to be last in the list.
 331                 $out .= $this->getExtensionCategory( 'other', $extensionTypes['other'] );
 332
 333                 if ( count( $wgExtensionFunctions ) ) {
 334                         $out .= $this->openExtType( wfMsg( 'version-extension-functions' ), 'extension-functions' );
 335                         $out .= '<tr><td colspan="4">' . $this->listToText( $wgExtensionFunctions ) . "</td></tr>\n";
 336                 }
 337
 338                 $tags = $wgParser->getTags();
 339                 $cnt = count( $tags );
 340
 341                 if ( $cnt ) {
 342                         for ( $i = 0; $i < $cnt; ++$i ) {
 343                                 $tags[$i] = "&lt;{$tags[$i]}&gt;";
 344                         }
 345                         $out .= $this->openExtType( wfMsg( 'version-parser-extensiontags' ), 'parser-tags' );
 346                         $out .= '<tr><td colspan="4">' . $this->listToText( $tags ). "</td></tr>\n";
 347                 }
 348
 349                 $fhooks = $wgParser->getFunctionHooks();
 350                 if( count( $fhooks ) ) {
 351                         $out .= $this->openExtType( wfMsg( 'version-parser-function-hooks' ), 'parser-function-hooks' );
 352                         $out .= '<tr><td colspan="4">' . $this->listToText( $fhooks ) . "</td></tr>\n";
 353                 }
 354
 355                 $out .= Xml::closeElement( 'table' );
 356
 357                 return $out;
 358         }
 359
 360         /**
 361          * Creates and returns the HTML for a single extension category.
 362          *
 363          * @since 1.17
 364          *
 365          * @param $type String
 366          * @param $message String
 367          *
 368          * @return string
 369          */
 370         protected function getExtensionCategory( $type, $message ) {
 371                 global $wgExtensionCredits;
 372
 373                 $out = '';
 374
 375                 if ( array_key_exists( $type, $wgExtensionCredits ) && count( $wgExtensionCredits[$type] ) > 0 ) {
 376                         $out .= $this->openExtType( $message, 'credits-' . $type );
 377
 378                         usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
 379
 380                         foreach ( $wgExtensionCredits[$type] as $extension ) {
 381                                 $out .= $this->getCreditsForExtension( $extension );
 382                         }
 383                 }
 384
 385                 return $out;
 386         }
 387
 388         /**
 389          * Callback to sort extensions by type.
 390          * @param $a array
 391          * @param $b array
 392          * @return int
 393          */
 394         function compare( $a, $b ) {
 395                 if( $a['name'] === $b['name'] ) {
 396                         return 0;
 397                 } else {
 398                         return $this->getLanguage()->lc( $a['name'] ) > $this->getLanguage()->lc( $b['name'] )
 399                                 ? 1
 400                                 : -1;
 401                 }
 402         }
 403
 404         /**
 405          * Creates and formats the credits for a single extension and returns this.
 406          *
 407          * @param $extension Array
 408          *
 409          * @return string
 410          */
 411         function getCreditsForExtension( array $extension ) {
 412                 $name = isset( $extension['name'] ) ? $extension['name'] : '[no name]';
 413
 414                 if ( isset( $extension['path'] ) ) {
 415                         $svnInfo = self::getSvnInfo( dirname($extension['path']) );
 416                         $directoryRev = isset( $svnInfo['directory-rev'] ) ? $svnInfo['directory-rev'] : null;
 417                         $checkoutRev = isset( $svnInfo['checkout-rev'] ) ? $svnInfo['checkout-rev'] : null;
 418                         $viewvcUrl = isset( $svnInfo['viewvc-url'] ) ? $svnInfo['viewvc-url'] : null;
 419                 } else {
 420                         $directoryRev = null;
 421                         $checkoutRev = null;
 422                         $viewvcUrl = null;
 423                 }
 424
 425                 # Make main link (or just the name if there is no URL).
 426                 if ( isset( $extension['url'] ) ) {
 427                         $mainLink = "[{$extension['url']} $name]";
 428                 } else {
 429                         $mainLink = $name;
 430                 }
 431
 432                 if ( isset( $extension['version'] ) ) {
 433                         $versionText = '<span class="mw-version-ext-version">' .
 434                                 wfMsg( 'version-version', $extension['version'] ) .
 435                                 '</span>';
 436                 } else {
 437                         $versionText = '';
 438                 }
 439
 440                 # Make subversion text/link.
 441                 if ( $checkoutRev ) {
 442                         $svnText = wfMsg( 'version-svn-revision', $directoryRev, $checkoutRev );
 443                         $svnText = isset( $viewvcUrl ) ? "[$viewvcUrl $svnText]" : $svnText;
 444                 } else {
 445                         $svnText = false;
 446                 }
 447
 448                 # Make description text.
 449                 $description = isset ( $extension['description'] ) ? $extension['description'] : '';
 450
 451                 if( isset ( $extension['descriptionmsg'] ) ) {
 452                         # Look for a localized description.
 453                         $descriptionMsg = $extension['descriptionmsg'];
 454
 455                         if( is_array( $descriptionMsg ) ) {
 456                                 $descriptionMsgKey = $descriptionMsg[0]; // Get the message key
 457                                 array_shift( $descriptionMsg ); // Shift out the message key to get the parameters only
 458                                 array_map( "htmlspecialchars", $descriptionMsg ); // For sanity
 459                                 $description = wfMsg( $descriptionMsgKey, $descriptionMsg );
 460                         } else {
 461                                 $description = wfMsg( $descriptionMsg );
 462                         }
 463                 }
 464
 465                 if ( $svnText !== false ) {
 466                         $extNameVer = "<tr>
 467                                 <td><em>$mainLink $versionText</em></td>
 468                                 <td><em>$svnText</em></td>";
 469                 } else {
 470                         $extNameVer = "<tr>
 471                                 <td colspan=\"2\"><em>$mainLink $versionText</em></td>";
 472                 }
 473
 474                 $author = isset ( $extension['author'] ) ? $extension['author'] : array();
 475                 $extDescAuthor = "<td>$description</td>
 476                         <td>" . $this->listAuthors( $author, false ) . "</td>
 477                         </tr>\n";
 478
 479                 return $extNameVer . $extDescAuthor;
 480         }
 481
 482         /**
 483          * Generate wikitext showing hooks in $wgHooks.
 484          *
 485          * @return String: wikitext
 486          */
 487         private function getWgHooks() {
 488                 global $wgHooks;
 489
 490                 if ( count( $wgHooks ) ) {
 491                         $myWgHooks = $wgHooks;
 492                         ksort( $myWgHooks );
 493
 494                         $ret = Xml::element( 'h2', array( 'id' => 'mw-version-hooks' ), wfMsg( 'version-hooks' ) ) .
 495                                 Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-hooks' ) ) .
 496                                 "<tr>
 497                                         <th>" . wfMsg( 'version-hook-name' ) . "</th>
 498                                         <th>" . wfMsg( 'version-hook-subscribedby' ) . "</th>
 499                                 </tr>\n";
 500
 501                         foreach ( $myWgHooks as $hook => $hooks ) {
 502                                 $ret .= "<tr>
 503                                                 <td>$hook</td>
 504                                                 <td>" . $this->listToText( $hooks ) . "</td>
 505                                         </tr>\n";
 506                         }
 507
 508                         $ret .= Xml::closeElement( 'table' );
 509                         return $ret;
 510                 } else
 511                         return '';
 512         }
 513
 514         private function openExtType( $text, $name = null ) {
 515                 $opt = array( 'colspan' => 4 );
 516                 $out = '';
 517
 518                 if( $this->firstExtOpened ) {
 519                         // Insert a spacing line
 520                         $out .= '<tr class="sv-space">' . Html::element( 'td', $opt ) . "</tr>\n";
 521                 }
 522                 $this->firstExtOpened = true;
 523
 524                 if( $name ) {
 525                         $opt['id'] = "sv-$name";
 526                 }
 527
 528                 $out .= "<tr>" . Xml::element( 'th', $opt, $text ) . "</tr>\n";
 529
 530                 return $out;
 531         }
 532
 533         /**
 534          * Get information about client's IP address.
 535          *
 536          * @return String: HTML fragment
 537          */
 538         private function IPInfo() {
 539                 $ip =  str_replace( '--', ' - ', htmlspecialchars( $this->getRequest()->getIP() ) );
 540                 return "<!-- visited from $ip -->\n" .
 541                         "<span style='display:none'>visited from $ip</span>";
 542         }
 543
 544         /**
 545          * Return a formatted unsorted list of authors
 546          *
 547          * @param $authors mixed: string or array of strings
 548          * @return String: HTML fragment
 549          */
 550         function listAuthors( $authors ) {
 551                 $list = array();
 552                 foreach( (array)$authors as $item ) {
 553                         if( $item == '...' ) {
 554                                 $list[] = wfMsg( 'version-poweredby-others' );
 555                         } else {
 556                                 $list[] = $item;
 557                         }
 558                 }
 559                 return $this->listToText( $list, false );
 560         }
 561
 562         /**
 563          * Convert an array of items into a list for display.
 564          *
 565          * @param $list Array of elements to display
 566          * @param $sort Boolean: whether to sort the items in $list
 567          *
 568          * @return String
 569          */
 570         function listToText( $list, $sort = true ) {
 571                 $cnt = count( $list );
 572
 573                 if ( $cnt == 1 ) {
 574                         // Enforce always returning a string
 575                         return (string)self::arrayToString( $list[0] );
 576                 } elseif ( $cnt == 0 ) {
 577                         return '';
 578                 } else {
 579                         if ( $sort ) {
 580                                 sort( $list );
 581                         }
 582                         return $this->getLanguage()->listToText( array_map( array( __CLASS__, 'arrayToString' ), $list ) );
 583                 }
 584         }
 585
 586         /**
 587          * Convert an array or object to a string for display.
 588          *
 589          * @param $list Mixed: will convert an array to string if given and return
 590          *              the paramater unaltered otherwise
 591          *
 592          * @return Mixed
 593          */
 594         public static function arrayToString( $list ) {
 595                 if( is_array( $list ) && count( $list ) == 1 ) {
 596                         $list = $list[0];
 597                 }
 598                 if( is_object( $list ) ) {
 599                         $class = get_class( $list );
 600                         return "($class)";
 601                 } elseif ( !is_array( $list ) ) {
 602                         return $list;
 603                 } else {
 604                         if( is_object( $list[0] ) ) {
 605                                 $class = get_class( $list[0] );
 606                         } else {
 607                                 $class = $list[0];
 608                         }
 609                         return "($class, {$list[1]})";
 610                 }
 611         }
 612
 613         /**
 614          * Get an associative array of information about a given path, from its .svn
 615          * subdirectory. Returns false on error, such as if the directory was not
 616          * checked out with subversion.
 617          *
 618          * Returned keys are:
 619          *    Required:
 620          *        checkout-rev          The revision which was checked out
 621          *    Optional:
 622          *        directory-rev         The revision when the directory was last modified
 623          *        url                   The subversion URL of the directory
 624          *        repo-url              The base URL of the repository
 625          *        viewvc-url            A ViewVC URL pointing to the checked-out revision
 626          * @param $dir string
 627          * @return array|bool
 628          */
 629         public static function getSvnInfo( $dir ) {
 630                 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
 631                 $entries = $dir . '/.svn/entries';
 632
 633                 if( !file_exists( $entries ) ) {
 634                         return false;
 635                 }
 636
 637                 $lines = file( $entries );
 638                 if ( !count( $lines ) ) {
 639                         return false;
 640                 }
 641
 642                 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
 643                 if( preg_match( '/^<\?xml/', $lines[0] ) ) {
 644                         // subversion is release <= 1.3
 645                         if( !function_exists( 'simplexml_load_file' ) ) {
 646                                 // We could fall back to expat... YUCK
 647                                 return false;
 648                         }
 649
 650                         // SimpleXml whines about the xmlns...
 651                         wfSuppressWarnings();
 652                         $xml = simplexml_load_file( $entries );
 653                         wfRestoreWarnings();
 654
 655                         if( $xml ) {
 656                                 foreach( $xml->entry as $entry ) {
 657                                         if( $xml->entry[0]['name'] == '' ) {
 658                                                 // The directory entry should always have a revision marker.
 659                                                 if( $entry['revision'] ) {
 660                                                         return array( 'checkout-rev' => intval( $entry['revision'] ) );
 661                                                 }
 662                                         }
 663                                 }
 664                         }
 665
 666                         return false;
 667                 }
 668
 669                 // Subversion is release 1.4 or above.
 670                 if ( count( $lines ) < 11 ) {
 671                         return false;
 672                 }
 673
 674                 $info = array(
 675                         'checkout-rev' => intval( trim( $lines[3] ) ),
 676                         'url' => trim( $lines[4] ),
 677                         'repo-url' => trim( $lines[5] ),
 678                         'directory-rev' => intval( trim( $lines[10] ) )
 679                 );
 680
 681                 if ( isset( self::$viewvcUrls[$info['repo-url']] ) ) {
 682                         $viewvc = str_replace(
 683                                 $info['repo-url'],
 684                                 self::$viewvcUrls[$info['repo-url']],
 685                                 $info['url']
 686                         );
 687
 688                         $viewvc .= '/?pathrev=';
 689                         $viewvc .= urlencode( $info['checkout-rev'] );
 690                         $info['viewvc-url'] = $viewvc;
 691                 }
 692
 693                 return $info;
 694         }
 695
 696         /**
 697          * Retrieve the revision number of a Subversion working directory.
 698          *
 699          * @param $dir String: directory of the svn checkout
 700          *
 701          * @return Integer: revision number as int
 702          */
 703         public static function getSvnRevision( $dir ) {
 704                 $info = self::getSvnInfo( $dir );
 705
 706                 if ( $info === false ) {
 707                         return false;
 708                 } elseif ( isset( $info['checkout-rev'] ) ) {
 709                         return $info['checkout-rev'];
 710                 } else {
 711                         return false;
 712                 }
 713         }
 714
 715         /**
 716          * @param $dir String: directory of the git checkout
 717          * @return bool|String sha1 of commit HEAD points to
 718          */
 719         public static function getGitHeadSha1( $dir ) {
 720                 $BASEDIR  = "{$dir}/.git/";
 721                 $HEADfile = "{$BASEDIR}/HEAD";
 722
 723                 if( !file_exists( $HEADfile ) ) {
 724                         return false;
 725                 }
 726
 727                 preg_match( "/ref: (.*)/",
 728                         file_get_contents( $HEADfile), $m );
 729
 730                 $REFfile = "{$BASEDIR}{$m[1]}";
 731                 if( !file_exists( $REFfile ) ) {
 732                         return false;
 733                 }
 734
 735                 $sha1 = rtrim( file_get_contents( $REFfile ) );
 736
 737                 return $sha1;
 738         }
 739
 740         function showEasterEgg() {
 741                 $rx = $rp = $xe = '';
 742                 $alpha = array("", "kbQW", "\$\n()");
 743                 $beta = implode( "', '", $alpha);
 744                 $juliet = 'echo $delta + strrev($foxtrot) - $alfa + $wgVersion . base64_decode($bravo) * $charlie';
 745                 for ( $i = 1; $i <= 4; $i++ ) {
 746                         $rx .= '([^j]*)J';
 747                         $rp .= "+(\\$i)";
 748                 }
 749
 750                 $rx = "/$rx/Sei";
 751                 $O = substr("$alpha')", 1);
 752                 for ( $i = 1; $i <= strlen( $rx ) / 3; $i++ ) {
 753                         $rx[$i-1] = strtolower( $rx[$i-1] );
 754                 }
 755                 $ry = ".*?(.((.)(.))).{1,3}(.)(.{1,$i})(\\4.\\3)(.).*";
 756                 $ry = "/$ry/Sei";
 757                 $O = substr("$beta')", 1);
 758                 preg_match_all('/(?<=\$)[[:alnum:]]*/',substr($juliet, 0, $i<<1), $charlie);
 759                 foreach( $charlie[0] as $bravo ) {
 760                         $$bravo =& $xe;
 761                 }
 762                 $xe = 'xe=<<<mo/./hfromowoxv=<<<m
 763 쵍潅旅𞗎왎캎𐺆ߨ趥䲀쫥𒯡𚦄𚬀Ꝍ螃䤎꤯溃𔱢櫅褡䞠⽬✡栠迤⾏𐵥쾃𜜧줏袏浣।궇䬃꼁꿤𘐧
 764 𞛁윥桯䦎䵎Ꞅ𚠣涁쭀讀撠蝠讄伣𞫡枮ⵇ𚥣𐡃𐭏沢𞜄𞴏𞻧⠤쳯蒣䮎𒵬컡豣ۅ𐯥⦇𐫁漅蛁꼤从楆
 765 ⥀䡦𚭅沢⠬輁䲯좡梇䟇伄육较촅䥃要𞝄迯쟠꺃ⶥ栆궀撠満ꐣ𞦇좧𐠅𞫠𐠧𚮣讇輤亀➏欣첡쮧⽬
 766 氀쮧跧𐫥䪀⬬⾅𞼀ⵏ괬ত櫤䭀楦𚫃𐣂괥챣𐥇楀귧읠죯쒡ۅ𐾤䳄䤄𞽀괬躏譇䮄搥𚬁䯄津䶮⾅𐫅
 767 𐴂௧쮯궣輥ߡ亀𞪀氀诤𐯢⿅諃⫤𞦁䮣⦬죄椎貧𞛄ඇ쿇亏跤⦌术থۏ仆䛇枡䪄𐵇곁謠𞿯ⶏⶃ䞣
 768 궥螏蝁ꤣ⟬极涇𞴧伢𞼯ଅ𚣡즡⡌浣䯇쿃ⳇ궏ས⢃曦⦥蛧갠컡楧𘬧袏⦏⢠䳠챤⽧𚠧⬣⼀潧⭅椤
 769 𞟯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
 770 䢣䞮柄ꠌⶡ𞒯𐳣𞳅蛤椏𞯀✠귬ຄ𐷡𞜠䶃𞭀毥𞡯桥ꐥ❣쳀𞾧⡧𖥢꽧죄ത𖴧ޥ歠ແ위䯎撯쬁䮣浅
 771 쾇泮𐢁켄𞧧𞦏䦯꾯迡𞐯曎䢦쿣杦궯⡀䤦䷢𐭢쟁쯯⧤蟯䡏氇𒭯𔜧𞢣𞱏蝤𒬧궧ߢ𐭆䛃찃쭣沠𚬀𞿏
 772 䴃𐣣䣎𐺃ꥅ轃⣄蟧⦡𒛧蟃毣洇䞎Ҡ潄仆𐲃𞧥철䢤俎譯泠쮄␥栏쾯ⳏ짡𞾯⥡𚠬߂𚥯ކ澥䲀ⵀ𞻃
 773 ⵡ𚦣𒯣✬𐟯𞥥輄䱀굡榏❡첄⦄ꡥⶣ𞡤⺁𞞡ݣ𐢅𒷤⤡꿄蝡𞱁ⴄ贁𒛬氃𞞇𞶡ޅ짣߁𞱃𐫄ۥ𞰣𐱅欤
 774 梢蝡柧䥏仏撣𐳣𞠅좇𞐣蒣䰤྅𚪏࿂ಇ濤䞦쮅𚬁𚭧𚬬𒴯𐵣𚥌沮潁좤澅𐻯杣棦ꤤ洯𐳃𚭀콅궧쭠𔥢
 775 𞱠桎䝆겡쭄𞵁겯䥂ⶀ𐥂𚧬⽬䠇쳄❬Ⰼ𞵀䐦⿌웃𒿠첏𐛡浣涆𒯌⢤অ䭎𚜧갣𞾏䴮⡃꤯죠䰀쬯༄䫏
 776 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
 777 𒐧䣂ꤏ襃𞼧𜰧伎襡웅𞳧걯䳣𚟡켁쭄洠컥❅⿏亂𚯧𚯯쯅𞮅⢁𐠦𒮠𚯣𞞥诤꣏辀𖥢椯겇毣濢𞝣𚢀➠
 778 䮮浥겁沣졣䜦泇歏𐾄搯曯柆ۇۇ䞀泆𐾧武𚭠況꽌𐧢ꝅ軀⬠쾣𞡀榧𞣏𚦤Ⱡ䠦Ⲥ𞰯𞻥쿇䬄貃柅涢
 779 갏⼁𐿧ݏౠ𐿣褀涡𘼧𞮏༅𞵡𐥆䮄𐮥➇ꝣݥ䡏䯎梢𚟇輇ꤠ䫣䵀ण漂𞬯⢡軀𚭅𐯆௦𚠤襁쫇⾡濧沤
 780 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
 781 쮁搥櫢𐫣ꠏ𒮬椥𐛤誅栮朥迣⺄ඇ𞣣⿏䬂쾏⫠⒧✏궇襤⡁𞯇濃𚣠Ⱐ𚫤歯䛠𒛥𞫇쮠𞟤컃𞢯⬣濡䦣
 782 衏貣柂𞳁森챏ಇ고𚫠蟄䤏젯𒮡⫯楀䞄䳣쮅궤轧껯𞥤𐪃𞶡潇ބ𚥣𐵇浣𐬀蝤⽧쐣쾇➣𞝀𐡦䮠䤣𐠄
 783 Ꝡ𐾁蠤𞛡𞵀䬦覯搦⥯쥏梂걯𐾧ⵁ೦챁𚣌躄轡𐯣𞻥䢦𐝂財䲧𐦁䬎첁棏␣౦잧棆젥襁젃䤏⢏榀ⵁ
 784 螅赡𒿯ⶣ赧꾤𚬅濁𒛏涆𐴂ॡ䳦ߢ赁䯇䢃ꠌ泄柠泡찇𐛢𞰏䪂𐝢櫇𚰧漥𐣄𞜤𐥁⟤淣ഡ䳮த谀ཡ𞾧
 785 ➁血꽧蟧辧게⻣𚣣쳏ഡ䠄杮𞣠죃汦諤య毠蝅𐦄謄殯𞱄䳀ⳏ𞶁쟇ආ𐻢잏𐿡䳃ۂ𞭥䝇䦇⥌켏쥯춏
 786 𖽢𐳃𒷡𚫥𚟇𐿧𚦧𐝢䥦𚯀棇潡⥄歡찁朆⻠䤆𖤧漢𜐧ꡅ⽄쾠𐥣衏𚥠𐥆䤣অ𞛇䤣𐡡𐢏䞦𖐧ߣ裏𚫁𐵤
 787 ཅۄ춁䲃欆귬𐺀诀滁𞫇𐯇䝃𞧡챃첥𞭤꺏쫅𞫡䱮𞼤અ𒭤견Ф𐫁𐾧佣𖱢澢쿏𞛧⽅侮榅𐾄य쥏蜏䣣
 788 𚥌𐫏쵥𚥡➤跡殃䰣䯤𞳥읤ⴏ굄𚬧⥇줡걬০켃𜼧𚧯첣䜂𞵇𚟀찃궀谀Ɽ伎䢮𒛄𚦀ꤥ⾣𐭁沅䬇䧠𐱇
 789 沀濡ठ𞰄쟠𐺅ꐣ𐴂躄佇⦇毄计賀䢎澡𒮌䲄𒠧캀䟣𐷧褀𞻅蠤൯棏蜃𞮤澄❧⾥撦⽬ⶥ𐪄ய𔼧ބ躄
 790 䬎챯𚫇⽯𐾠𞛠𚛧䬎Ꞅ굥𐢂𚠣⠥䝧朄𞧥࿏웥꽬གྷ浅⦁❬𐺆侢栦⧠𞛯궠ඦ𚭧趤谥此𐲂𐬃軠𚪅𐞦𞷤
 791 蛄俧袥补榏읠⤁⠀豇俢쮯꤇➏𐴁ⶤ涮찣𒮇읁榠跣𜤧⦅ໃಆ𞛯䵣谠𞰅ꢯ⡧淯柤궡✠䮎괯𒮣❅朎
 792 ⥅웣䯮첀𚫣꒤𐣠쭏洀蛡楆𚮣ൡ䮮ү氠𐜏濆䜢䷯潣歃䷯𞣡웁쭄椥䟂➅𒯣𒯤ૡༀ䭧ܣ죅𐯠ए軯䧣
 793 Ⱔ䐢⬥檂䠮⫤䛠꜡䛆讠𚭄✠꿏欣蠡𐵆켏豣譄𞣇춣𒭯𐻢䠃䰠撦朅䮄榦溃貀𒯅䶇⾁𞬧澡𐻦䲮榀𞯧
 794 𐪄䢆侄𞾏朦꜇𐮢ཏ𐯣췧꺁𞱃枠櫧桠괬枇ꜯ곇𐰂𘜧𐦄컡濦汥줠𞲡輀𞫃𐠣쥇⣃𞴏䳂⟤漇쯣껃𐾀衃
 795 𚮄쯇𒼧𐝄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
 796 ꥁ泎𞭅仧궀辯諯웅𞳇津趃অ꿏伏𐵤캁⠃𐦂𐶀ꝣ䛂贤济杧𐝁撠䱤殥歡躇楄꒧꽧𞽧䡣쵧𒯃𐱆ꜯ위
 797 ཀ谠諃𐬃軅␥𞰇贠撣߅꽤⠥ಡ𐝀궥윁𞳁Ⰴܯ즡歎𞷥ⵅഏ蝁𞟇구ꝧ܅䱦껡䛦߅蒯俧콣𚭅梧䛠ꡇ
 798 ݧ𚮏웥Т⬠䬦榀𐢂貤𞰅𚭠謣䱦⒡췧𐥀濇⧣⤀좯殧𞬣줤⣀楏楎굏ݤ滁ۇ𘐧𚯯䒯Ⰰ𞼤ҡ䰦𚣠椯❏
 799 趯𐣯豀쵅춀⳥䷠읡ۯ⺄ۅ䶏춤枂櫅ۅ𞥅䱃䭣𒳯汮澃𞢃谥ⵤ구𚣄콡曤𞣏ই߂읅蠠𜰧䞦ꞇⲏ𚮌諧
 800 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
 801 谥촯䲦⥁ඤ𞛡𐐧⤃궅༡褡䭏毆濆⧡蛣Ф𞵇蠏ݤ賯꜁溅⡡ߡ𞥧䮄榆䵄求謥𐐧Ꞁ쯏⧡貇䛇䐢撦袥
 802 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𞻡
 803 𒯇槥淠䯃ඏ⒯𚫣𚠯𞠣𚛄椦泮汣赃潥𚫇ദ𞛤𞿣䰏쮡𖭢蝏毁䶂䦧档䪂𞾃쟀𚪄𞞃𞳥𞼀𐿯졇웄䳎汀𐫣
 804 漠𚫄ꐡଥ认꽡𐱏𐭏𚼧⦄梎આ枀䠦楇쒤ꞃꤡⴅꞅ𞯁අҡ𞞤氣즤裀𞜅𐵥櫁𐵀༦𐳃쳣𐡯桧𞿠权굁죁
 805 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
 806 䝎ꡏ𚟣䰀梥⾬ܡ𞿇𞠥𐮠𞺃䢮આ䧮쮃誅櫆𚪃죯诠䵀䯀跥𐾣⻥䤆Ⰰ꜄棧枃⻇థ誃𚛁࿇贄𞡣欎⽡𞱁
 807 𞲄⬏杇𐠅𐱃𞢤➁𐵤𐢄꒥즏亀쭁𚭡漆𞮇첁𐢦殎쮁滠𐠥榯𐮧𒵬⡀䮆䣠준讥𞼃䶇⪅껃泃𖱢楀갠複撮
 808 ✡𐭢ແ𞮧𞛥쫃⽤規䥇沁轁𐡅ಢ䧮椁⬇𐤁𞡯杅武楥歎䟄溇䯢𒵬𐢣迃䪎䳤满ଅⱇ쭀ಥ𞥄䥆⧥𚞧좃
 809 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
 810 𖰧殀蛡⫥亃觯潥蠀补ⴄ觧𐡇𐾆ꐯ䡣췡潏⻯⾁諏య꿧䱠𚭯찥ꞅ⪃콄즯쳣覧𞰄Ⲅ𞿣𚬧𞵤쐯⬃ඤ겤
 811 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𚮣⥀
 812 줣०𚭀殣𚬥𒮇⟄趥좠洦ꢬ装䠆𒝠曧➁𒿧椃䠀𞡅𖼧䳇ງ줄ধ𞳁Ⱜ覠ꝃ殣𚯤涡䳠귥𐯁⫤覯𞲡𞼄༦
 813 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
 814 𒷧槧߅䶠윥귡귧⤯𚪃𐷢ཆ裁毧𐥣𐯥⬤蝧첀⭁𞻡潤𞟃䝎池𞦀殤Ҡ𞵏䝯ཁ쟧𒰧氢귡𚛧𒿯ꥄ⭌䜇ۥ
 815 ꝡ𞯯棄⣏ꤥ০𐯠𒷤𞦣쮁𞰠𚧡桧𐐧ⴤꠡ軅𞟃衄䠦ߤ܅ⲃଢ蛄溎椀𞠀䛃𞡣𞟣澅𚭬䧤⡇贤⫌쪄ށ朣
 816 ⻏켅𐽢⼡𐲀잠௧𞬥𞥀౧䦤ས誇漎譠迄䦂䳇𞣡正𐵤계楧ޅ✬𞿯棅𞳧𞛤𞜀쭯𞮀诠𐥀枢䥮䭆楆컧ଆ
 817 𞶇➬అ䤦誃𐠅𐿤䟀洀⡤𚟣滤𞥇𞾣즀𐠁⼃䰎溄꽅웇✡𐾥䲀⡏ܣ讣𞿥⼤覄𚯇䡇అ蝀⥌侧껄Ꝭ流贀
 818 漁쒤첧죏곡⣃趃賄撠।읠ⶌ𚣅⾥춧𞞠쒡쿀𞦠䵯毁涠𞫀⣡ꡄ䢀満棃䡯𐛣୯䳯ⵡୡ䥃❇⠅䣆杧𐳃
 819 귧覀𞼠漎𞴁𞤡ཇ䰦𞲣❃歆콣꿇朏𞢄𞵠Ꝍ𞡅賡𞧠曏꼃𞻯꼬ಇ𞴯资榎쮯輤ॡ䜎⦌𞶅𐠏𚧧⡃쳁𐵅࿀
 820 𞒧𞝤쯣껧쪃𞣠椃쐡⟤߇웅䱧䛣𞷧𐳤𚬠쮀䠏𞭇꽣𞿇⠣쟣𞢅ദ洅촥컇𚦁쵡ꞅ䠆𐥇⒥涯䐢ⴅ𒭡쮤꺅
 821 𞥇컠ⳁ漃𐲃윇诤겣𞥄伣䜠⻇𞡀修꜡𞻣䳎❄켇꽡𘼧쭄洂𞟏꜠𐮦Ⰳ쵅𐬂梀櫯䜯꜡䛣༏杇⪀캄𞰠⼌
 822 条𐳄没ⳅ➏𒮀첡❬侯캅检𞡧棡𞬄𞥧𞒠𞶄䥧𐳃𞻧𐝁ཧ謏𐫇𚯅讄枥𚞬첡쾀欎육웠𐭤୯濧譁챤䶢껤
 823 𞯤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꒬
 824 𐴃䵂䲇蠀𐿧䲇ඦ𒯇⺁커謁𚣣𚫃컁漢䠀调ⲃ䢢ބ辅毡갯𚮁䤣椦𞲯१𞞠輯𘜧𐯣𐳅⽄𞽤𚧤𚬡䴆𞷠ଦ
 825 䱠䒮諃ఏ𐠡桦𞟇𚭧谁𞻤𐡁쥡浣𞼇譀⫌쮥ꢅ컁曅ꥅ𞟅ଏ찀汅𐷦ೡ谠𞦥䬀𞴡䢠쳀⡏𐵃ߠߠඅ겧淤
 826 쥣每譄꼠𒮣쫁쭥讥ॡ쿇𐾡ஆ伃⫠汇䜢衯楥济俏极𚣣撮쬅蜏⧤蛥쮁⥃𚯣것ஃ줠䣇迅泆𞟯𞰥⤯𐧣
 827 𚥯萠泎ଡ蠄涣త⾏⻌䝧ༀ榮ү𐳃歂浅𞬄ꡥ첤⬇유𐶃讏欤俤잧⡌𞭥ⱁ춥氤𐠧修流쫤䵆𞠃܀웣𞶏
 828 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
 829 ⼅𞦀ॠ軀浯ܡ𒯡컡谤ඤ曢⧠짠컠𚠯꿡𐺀𒬧곌濂ণ웧⾡栅䞠괬ܤ䦄伏曀了ཡ榧䭦𒭯⛃衧濠𚐧읥
 830 쵁𐛣⪅蜤𞤁装고𒯬쳅⻁ݣ䳆ৠ䐦𐮡ऄ⫏𐶁쿧䜎𐿣젡귧棥櫁쿣泯俣佦⾥朦潏ꢤ𞫣ꙧ𞂎𐺆ڦՈ췥
 831 췧䙭䶍澥𞜅쨯쵥Ⱕ쵥䗌쵍潅旅暬Ոⵤ旆𞗎줭젠ৡ쮠┢𚴧𐵣潧𞾥𜔧𞑢贮𞽅跣쓄䔭𞷥⽇𞾅𞴥ꔥ䓭
 832 ₎챍澥엇𞗎곭贇Ԇ쬡쩯䘠䯃𐯤湁𚚭Ո꽤엇𞗎ꔭ₎谥𐗇䗌쳭䙭䟍◎쳭䙍侭쾇쵤蓄䕍췥췧䓭◎쳭
 833 䒭𞗎ߏ䓭亭è청𞻥䙭侭䷤擏䕍췤⽇䐍䕍ⵤ摆位ཧ𞗅暬è춍찤ⲥ䙭䔭𚚭è谥𐗇䗌첍䙭䟍◎䕍𐗄
 834 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
 835 꽤엇虬䕍𐱅궤⚤è챍澥엇𞗎춍찤ⲥ₎𞂆찭𞽇䙭侭쾇൧蓇䕍꽤엇暬೨藅䗌ⳇ查䗌찭𞽇䓭䙭𞙮䔭
 836 枅ද𞝅➥赏𒶯ⵯඏ춥쟅ⵅ쟥𐵥螥ⴅ춯䟏췯淯䴏ꗍ旌₆效ꡁ𚦀桁⪣꼭𚠥𞽇𚩭𞘌ⱅ𞷥𐣇졣쓀暬è
 837 줭젠ৡ쮠┢𚴧꽠𜔧𞑢跮쵅䭀𞡀䗌è斈쳮𞴤侭ට𞩎𐵍潅暅汤津𞐥࿄𞴥ⶎ澥𞜅쑏𐗍肌惨澈漥𞾇쵤
 838 趤굄𞓅䶍澥𞜅쨯𞰅Ⱕ쵥䗌찭𞽇䓭䓭䐍è惨𐩍Э薎è擨₎𞗆
 839 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';
 840
 841                 $haystack = preg_replace($ry, "$1$2$5$1_$7$89$i$5$6$8$O", $juliet);
 842                 return preg_replace( $rx, $rp, $haystack );
 843         }
 844 }