maintenance/dumpHTML.inc

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  * @subpackage Maintenance
   5  */
   6
   7 define( 'REPORTING_INTERVAL', 10 );
   8
   9 require_once( 'includes/ImagePage.php' );
  10 require_once( 'includes/CategoryPage.php' );
  11 require_once( 'includes/RawPage.php' );
  12
  13 class DumpHTML {
  14         # Destination directory
  15         var $dest;
  16
  17         # Show interlanguage links?
  18         var $interwiki = true;
  19
  20         # Depth of HTML directory tree
  21         var $depth = 3;
  22
  23         # Directory that commons images are copied into
  24         var $sharedStaticPath;
  25
  26         # Relative path to image directory
  27         var $imageRel = 'upload';
  28
  29         # Copy commons images instead of symlinking
  30         var $forceCopy = false;
  31
  32         # Make links assuming the script path is in the same directory as
  33         # the destination
  34         var $alternateScriptPath = false;
  35
  36         # Original values of various globals
  37         var $oldArticlePath = false, $oldCopyrightIcon = false;
  38
  39         # Has setupGlobals been called?
  40         var $setupDone = false;
  41
  42         # List of raw pages used in the current article
  43         var $rawPages;
  44
  45         function DumpHTML( $settings ) {
  46                 foreach ( $settings as $var => $value ) {
  47                         $this->$var = $value;
  48                 }
  49         }
  50
  51         /**
  52          * Write a set of articles specified by start and end page_id
  53          * Skip categories and images, they will be done separately
  54          */
  55         function doArticles( $start, $end = false ) {
  56                 $fname = 'DumpHTML::doArticles';
  57
  58                 $this->setupGlobals();
  59
  60                 if ( $end === false ) {
  61                         $dbr =& wfGetDB( DB_SLAVE );
  62                         $end = $dbr->selectField( 'page', 'max(page_id)', false, $fname );
  63                 }
  64
  65                 $mainPageObj = Title::newMainPage();
  66                 $mainPage = $mainPageObj->getPrefixedDBkey();
  67
  68
  69                 for ($id = $start; $id <= $end; $id++) {
  70                         wfWaitForSlaves( 20 );
  71                         if ( !($id % REPORTING_INTERVAL) ) {
  72                                 print "Processing ID: $id\r";
  73                         }
  74                         if ( !($id % (REPORTING_INTERVAL*10) ) ) {
  75                                 print "\n";
  76                         }
  77                         $title = Title::newFromID( $id );
  78                         if ( $title ) {
  79                                 $ns = $title->getNamespace() ;
  80                                 if ( $ns != NS_CATEGORY && $title->getPrefixedDBkey() != $mainPage ) {
  81                                         $this->doArticle( $title );
  82                                 }
  83                         }
  84                 }
  85                 print "\n";
  86         }
  87
  88         function doSpecials() {
  89                 $this->doMainPage();
  90
  91                 $this->setupGlobals();
  92                 print "Special:Categories...";
  93                 $this->doArticle( Title::makeTitle( NS_SPECIAL, 'Categories' ) );
  94                 print "\n";
  95         }
  96
  97         /** Write the main page as index.html */
  98         function doMainPage() {
  99
 100                 print "Making index.html  ";
 101
 102                 // Set up globals with no ../../.. in the link URLs
 103                 $this->setupGlobals( 0 );
 104
 105                 $title = Title::newMainPage();
 106                 $text = $this->getArticleHTML( $title );
 107                 $file = fopen( "{$this->dest}/index.html", "w" );
 108                 if ( !$file ) {
 109                         print "\nCan't open index.html for writing\n";
 110                         return false;
 111                 }
 112                 fwrite( $file, $text );
 113                 fclose( $file );
 114                 print "\n";
 115         }
 116
 117         function doImageDescriptions() {
 118                 global $wgSharedUploadDirectory;
 119
 120                 $fname = 'DumpHTML::doImageDescriptions';
 121
 122                 $this->setupGlobals();
 123
 124                 /**
 125                  * Dump image description pages that don't have an associated article, but do
 126                  * have a local image
 127                  */
 128                 $dbr =& wfGetDB( DB_SLAVE );
 129                 extract( $dbr->tableNames( 'image', 'page' ) );
 130                 $res = $dbr->select( 'image', array( 'img_name' ), false, $fname );
 131
 132                 $i = 0;
 133                 print "Writing image description pages for local images\n";
 134                 $num = $dbr->numRows( $res );
 135                 while ( $row = $dbr->fetchObject( $res ) ) {
 136                         wfWaitForSlaves( 10 );
 137                         if ( !( ++$i % REPORTING_INTERVAL ) ) {
 138                                 print "Done $i of $num\r";
 139                         }
 140                         $title = Title::makeTitle( NS_IMAGE, $row->img_name );
 141                         if ( $title->getArticleID() ) {
 142                                 // Already done by dumpHTML
 143                                 continue;
 144                         }
 145                         $this->doArticle( $title );
 146                 }
 147                 print "\n";
 148
 149                 /**
 150                  * Dump images which only have a real description page on commons
 151                  */
 152                 print "Writing description pages for commons images\n";
 153                 $i = 0;
 154                 for ( $hash = 0; $hash < 256; $hash++ ) {
 155                         $dir = sprintf( "%01x/%02x", intval( $hash / 16 ), $hash );
 156                         $paths = array_merge( glob( "{$this->sharedStaticPath}/$dir/*" ),
 157                                 glob( "{$this->sharedStaticPath}/thumb/$dir/*" ) );
 158
 159                         foreach ( $paths as $path ) {
 160                                 $file = basename( $path );
 161                                 if ( !(++$i % REPORTING_INTERVAL ) ) {
 162                                         print "$i\r";
 163                                 }
 164
 165                                 $title = Title::makeTitle( NS_IMAGE, $file );
 166                                 $this->doArticle( $title );
 167                         }
 168                 }
 169                 print "\n";
 170         }
 171
 172         function doCategories() {
 173                 $fname = 'DumpHTML::doCategories';
 174                 $this->setupGlobals();
 175
 176                 $dbr =& wfGetDB( DB_SLAVE );
 177                 $categorylinks = $dbr->tableName( 'categorylinks' );
 178                 print "Selecting categories...";
 179                 $sql = 'SELECT DISTINCT cl_to FROM categorylinks';
 180                 $res = $dbr->query( $sql, $fname );
 181
 182                 print "\nWriting " . $dbr->numRows( $res ).  " category pages\n";
 183                 $i = 0;
 184                 while ( $row = $dbr->fetchObject( $res ) ) {
 185                         wfWaitForSlaves( 10 );
 186                         if ( !(++$i % REPORTING_INTERVAL ) ) {
 187                                 print "$i\r";
 188                         }
 189                         $title = Title::makeTitle( NS_CATEGORY, $row->cl_to );
 190                         $this->doArticle( $title );
 191                 }
 192                 print "\n";
 193         }
 194
 195         function doRedirects() {
 196                 print "Doing redirects...\n";
 197                 $fname = 'DumpHTML::doRedirects';
 198                 $this->setupGlobals();
 199                 $dbr =& wfGetDB( DB_SLAVE );
 200
 201                 $res = $dbr->select( 'page', array( 'page_namespace', 'page_title' ),
 202                         array( 'page_is_redirect' => 1 ), $fname );
 203                 $num = $dbr->numRows( $res );
 204                 print "$num redirects to do...\n";
 205                 $i = 0;
 206                 while ( $row = $dbr->fetchObject( $res ) ) {
 207                         $title = Title::makeTitle( $row->page_namespace, $row->page_title );
 208                         if ( !(++$i % (REPORTING_INTERVAL*10) ) ) {
 209                                 print "Done $i of $num\n";
 210                         }
 211                         $this->doArticle( $title );
 212                 }
 213         }
 214
 215         /** Write an article specified by title */
 216         function doArticle( $title ) {
 217                 global $wgTitle, $wgSharedUploadPath, $wgSharedUploadDirectory;
 218                 global $wgUploadDirectory;
 219
 220                 $this->rawPages = array();
 221                 $text = $this->getArticleHTML( $title );
 222
 223                 if ( $text === false ) {
 224                         return;
 225                 }
 226
 227                 # Parse the XHTML to find the images
 228                 $images = $this->findImages( $text );
 229                 $this->copyImages( $images );
 230
 231                 # Write to file
 232                 $this->writeArticle( $title, $text );
 233
 234                 # Do raw pages
 235                 wfMkdirParents( "{$this->dest}/raw", 0755 );
 236                 foreach( $this->rawPages as $record ) {
 237                         list( $file, $title, $params ) = $record;
 238
 239                         $path = "{$this->dest}/raw/$file";
 240                         if ( !file_exists( $path ) ) {
 241                                 $article = new Article( $title );
 242                                 $request = new FauxRequest( $params );
 243                                 $rp = new RawPage( $article, $request );
 244                                 $text = $rp->getRawText();
 245
 246                                 print "Writing $file\n";
 247                                 $file = fopen( $path, 'w' );
 248                                 if ( !$file ) {
 249                                         print("Can't open file $fullName for writing\n");
 250                                         continue;
 251                                 }
 252                                 fwrite( $file, $text );
 253                                 fclose( $file );
 254                         }
 255                 }
 256         }
 257
 258         /** Write the given text to the file identified by the given title object */
 259         function writeArticle( &$title, $text ) {
 260                 $filename = $this->getHashedFilename( $title );
 261                 $fullName = "{$this->dest}/$filename";
 262                 $fullDir = dirname( $fullName );
 263
 264                 wfMkdirParents( $fullDir, 0755 );
 265
 266                 $file = fopen( $fullName, 'w' );
 267                 if ( !$file ) {
 268                         print("Can't open file $fullName for writing\n");
 269                         return;
 270                 }
 271
 272                 fwrite( $file, $text );
 273                 fclose( $file );
 274         }
 275
 276         /** Set up globals required for parsing */
 277         function setupGlobals( $currentDepth = NULL ) {
 278                 global $wgUser, $wgTitle, $wgStylePath, $wgArticlePath;
 279                 global $wgUploadPath, $wgLogo, $wgMaxCredits, $wgSharedUploadPath;
 280                 global $wgHideInterlanguageLinks, $wgUploadDirectory, $wgThumbnailScriptPath;
 281                 global $wgSharedThumbnailScriptPath, $wgEnableParserCache, $wgHooks, $wgServer;
 282                 global $wgRightsUrl, $wgRightsText, $wgCopyrightIcon;
 283
 284                 static $oldLogo = NULL;
 285
 286                 if ( !$this->setupDone ) {
 287                         $wgHooks['GetLocalURL'][] =& $this;
 288                         $wgHooks['GetFullURL'][] =& $this;
 289                         $this->oldArticlePath = $wgServer . $wgArticlePath;
 290                 }
 291
 292                 if ( is_null( $currentDepth ) ) {
 293                         $currentDepth = $this->depth;
 294                 }
 295
 296                 if ( $this->alternateScriptPath ) {
 297                         if ( $currentDepth == 0 ) {
 298                                 $wgScriptPath = '.';
 299                         } else {
 300                                 $wgScriptPath = '..' . str_repeat( '/..', $currentDepth - 1 );
 301                         }
 302                 } else {
 303                         $wgScriptPath = '..' . str_repeat( '/..', $currentDepth );
 304                 }
 305
 306                 $wgArticlePath = str_repeat( '../', $currentDepth ) . '$1';
 307
 308                 # Logo image
 309                 # Allow for repeated setup
 310                 if ( !is_null( $oldLogo ) ) {
 311                         $wgLogo = $oldLogo;
 312                 } else {
 313                         $oldLogo = $wgLogo;
 314                 }
 315
 316                 if ( strpos( $wgLogo, $wgUploadPath ) === 0 ) {
 317                         # If it's in the upload directory, rewrite it to the new upload directory
 318                         $wgLogo = "$wgScriptPath/{$this->imageRel}/" . substr( $wgLogo, strlen( $wgUploadPath ) + 1 );
 319                 } elseif ( $wgLogo{0} == '/' ) {
 320                         # This is basically heuristic
 321                         # Rewrite an absolute logo path to one relative to the the script path
 322                         $wgLogo = $wgScriptPath . $wgLogo;
 323                 }
 324
 325                 # Another ugly hack
 326                 if ( !$this->setupDone ) {
 327                         $this->oldCopyrightIcon = $wgCopyrightIcon;
 328                 }
 329                 $wgCopyrightIcon = str_replace( 'src="/images',
 330                         'src="' . htmlspecialchars( $wgScriptPath ) . '/images', $this->oldCopyrightIcon );
 331
 332
 333
 334                 $wgStylePath = "$wgScriptPath/skins";
 335                 $wgUploadPath = "$wgScriptPath/{$this->imageRel}";
 336                 $wgSharedUploadPath = "$wgUploadPath/shared";
 337                 $wgMaxCredits = -1;
 338                 $wgHideInterlangageLinks = !$this->interwiki;
 339                 $wgThumbnailScriptPath = $wgSharedThumbnailScriptPath = false;
 340                 $wgEnableParserCache = false;
 341                 $wgMathPath = "$wgScriptPath/math";
 342
 343                 if ( !empty( $wgRightsText ) ) {
 344                         $wgRightsUrl = "$wgScriptPath/COPYING.html";
 345                 }
 346
 347                 $wgUser = new User;
 348                 $wgUser->setOption( 'skin', 'htmldump' );
 349                 $wgUser->setOption( 'editsection', 0 );
 350
 351                 $this->sharedStaticPath = "$wgUploadDirectory/shared";
 352
 353                 $this->setupDone = true;
 354         }
 355
 356         /** Reads the content of a title object, executes the skin and captures the result */
 357         function getArticleHTML( &$title ) {
 358                 global $wgOut, $wgTitle, $wgArticle, $wgUser;
 359
 360                 $linkCache =& LinkCache::singleton();
 361                 $linkCache->clear();
 362                 $wgTitle = $title;
 363                 if ( is_null( $wgTitle ) ) {
 364                         return false;
 365                 }
 366
 367                 $ns = $wgTitle->getNamespace();
 368                 if ( $ns == NS_SPECIAL ) {
 369                         $wgOut = new OutputPage;
 370                         $wgOut->setParserOptions( new ParserOptions );
 371                         SpecialPage::executePath( $wgTitle );
 372                 } else {
 373                         /** @todo merge with Wiki.php code */
 374                         if ( $ns == NS_IMAGE ) {
 375                                 $wgArticle = new ImagePage( $wgTitle );
 376                         } elseif ( $ns == NS_CATEGORY ) {
 377                                 $wgArticle = new CategoryPage( $wgTitle );
 378                         } else {
 379                                 $wgArticle = new Article( $wgTitle );
 380                         }
 381                         $rt = Title::newFromRedirect( $wgArticle->fetchContent() );
 382                         if ( $rt != NULL ) {
 383                                 return $this->getRedirect( $rt );
 384                         } else {
 385                                 $wgOut = new OutputPage;
 386                                 $wgOut->setParserOptions( new ParserOptions );
 387
 388                                 $wgArticle->view();
 389                         }
 390                 }
 391
 392                 $sk =& $wgUser->getSkin();
 393                 ob_start();
 394                 $sk->outputPage( $wgOut );
 395                 $text = ob_get_contents();
 396                 ob_end_clean();
 397
 398                 return $text;
 399         }
 400
 401         function getRedirect( $rt ) {
 402                 $url = $rt->escapeLocalURL();
 403                 $text = $rt->getPrefixedText();
 404                 return <<<ENDTEXT
 405 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 406 <html xmlns="http://www.w3.org/1999/xhtml">
 407 <head>
 408   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 409   <meta http-equiv="Refresh" content="0;url=$url" />
 410 </head>
 411 <body>
 412   <p>Redirecting to <a href="$url">$text</a></p>
 413 </body>
 414 </html>
 415 ENDTEXT;
 416         }
 417
 418         /** Returns image paths used in an XHTML document */
 419         function findImages( $text ) {
 420                 global $wgOutputEncoding, $wgDumpImages;
 421                 $parser = xml_parser_create( $wgOutputEncoding );
 422                 xml_set_element_handler( $parser, 'wfDumpStartTagHandler', 'wfDumpEndTagHandler' );
 423
 424                 $wgDumpImages = array();
 425                 xml_parse( $parser, $text );
 426                 xml_parser_free( $parser );
 427
 428                 return $wgDumpImages;
 429         }
 430
 431         /**
 432          * Copy images (or create symlinks) from commons to a static directory.
 433          * This is necessary even if you intend to distribute all of commons, because
 434          * the directory contents is used to work out which image description pages
 435          * are needed.
 436          *
 437          * Also copies math images
 438          *
 439          */
 440         function copyImages( $images ) {
 441                 global $wgSharedUploadPath, $wgSharedUploadDirectory, $wgMathPath, $wgMathDirectory;
 442                 # Find shared uploads and copy them into the static directory
 443                 $sharedPathLength = strlen( $wgSharedUploadPath );
 444                 $mathPathLength = strlen( $wgMathPath );
 445                 foreach ( $images as $escapedImage => $dummy ) {
 446                         $image = urldecode( $escapedImage );
 447
 448                         # Is it shared?
 449                         if ( substr( $image, 0, $sharedPathLength ) == $wgSharedUploadPath ) {
 450                                 # Reconstruct full filename
 451                                 $rel = substr( $image, $sharedPathLength + 1 ); // +1 for slash
 452                                 $sourceLoc = "$wgSharedUploadDirectory/$rel";
 453                                 $staticLoc = "{$this->sharedStaticPath}/$rel";
 454                                 #print "Copying $sourceLoc to $staticLoc\n";
 455                                 # Copy to static directory
 456                                 if ( !file_exists( $staticLoc ) ) {
 457                                         wfMkdirParents( dirname( $staticLoc ), 0755 );
 458                                         if ( function_exists( 'symlink' ) && !$this->forceCopy ) {
 459                                                 symlink( $sourceLoc, $staticLoc );
 460                                         } else {
 461                                                 copy( $sourceLoc, $staticLoc );
 462                                         }
 463                                 }
 464
 465                                 if ( substr( $rel, 0, 6 ) == 'thumb/' ) {
 466                                         # That was a thumbnail
 467                                         # We will also copy the real image
 468                                         $parts = explode( '/', $rel );
 469                                         $rel = "{$parts[1]}/{$parts[2]}/{$parts[3]}";
 470                                         $sourceLoc = "$wgSharedUploadDirectory/$rel";
 471                                         $staticLoc = "{$this->sharedStaticPath}/$rel";
 472                                         #print "Copying $sourceLoc to $staticLoc\n";
 473                                         if ( !file_exists( $staticLoc ) ) {
 474                                                 wfMkdirParents( dirname( $staticLoc ), 0755 );
 475                                                 if ( function_exists( 'symlink' ) && !$this->forceCopy ) {
 476                                                         symlink( $sourceLoc, $staticLoc );
 477                                                 } else {
 478                                                         copy( $sourceLoc, $staticLoc );
 479                                                 }
 480                                         }
 481                                 }
 482                         } else
 483                         # Is it math?
 484                         if ( substr( $image, 0, $mathPathLength ) == $wgMathPath ) {
 485                                 $rel = substr( $image, $mathPathLength + 1 ); // +1 for slash
 486                                 $source = "$wgMathDirectory/$rel";
 487                                 $dest = "{$this->dest}/math/$rel";
 488                                 @mkdir( "{$this->dest}/math", 0755 );
 489                                 if ( !file_exists( $dest ) ) {
 490                                         copy( $source, $dest );
 491                                 }
 492                         }
 493                 }
 494         }
 495
 496         function onGetFullURL( &$title, &$url, $query ) {
 497                 global $wgContLang, $wgArticlePath;
 498
 499                 $iw = $title->getInterwiki();
 500                 if ( $title->isExternal() && $wgContLang->getLanguageName( $iw ) ) {
 501                         if ( $title->getDBkey() == '' ) {
 502                                 $url = str_replace( '$1', "../$iw/index.html", $wgArticlePath );
 503                         } else {
 504                                 $url = str_replace( '$1', "../$iw/" . wfUrlencode( $this->getHashedFilename( $title ) ),
 505                                         $wgArticlePath );
 506                         }
 507                         return false;
 508                 } else {
 509                         return true;
 510                 }
 511         }
 512
 513         function onGetLocalURL( &$title, &$url, $query ) {
 514                 global $wgArticlePath;
 515
 516                 if ( $title->isExternal() ) {
 517                         # Default is fine for interwiki
 518                         return true;
 519                 }
 520
 521                 $url = false;
 522                 if ( $query != '' ) {
 523                         parse_str( $query, $params );
 524                         if ( isset($params['action']) && $params['action'] == 'raw' ) {
 525                                 if ( $params['gen'] == 'css' || $params['gen'] == 'js' ) {
 526                                         $file = 'gen.' . $params['gen'];
 527                                 } else {
 528                                         $file = $this->getFriendlyName( $title->getPrefixedDBkey() );
 529                                         // Clean up Monobook.css etc.
 530                                         if ( preg_match( '/^(.*)\.(css|js)_[0-9a-f]{4}$/', $file, $matches ) ) {
 531                                                 $file = $matches[1] . '.' . $matches[2];
 532                                         }
 533                                 }
 534                                 $this->rawPages[$file] = array( $file, $title, $params );
 535                                 $url = str_replace( '$1', "raw/" . wfUrlencode( $file ), $wgArticlePath );
 536                         }
 537                 }
 538                 if ( $url === false ) {
 539                         $url = str_replace( '$1', wfUrlencode( $this->getHashedFilename( $title ) ), $wgArticlePath );
 540                 }
 541
 542                 return false;
 543         }
 544
 545         function getHashedFilename( &$title ) {
 546                 if ( '' != $title->mInterwiki ) {
 547                         $dbkey = $title->getDBkey();
 548                 } else {
 549                         $dbkey = $title->getPrefixedDBkey();
 550                 }
 551
 552                 $mainPage = Title::newMainPage();
 553                 if ( $mainPage->getPrefixedDBkey() == $dbkey ) {
 554                         return 'index.html';
 555                 }
 556
 557                 return $this->getHashedDirectory( $title ) . '/' .
 558                         $this->getFriendlyName( $dbkey ) . '.html';
 559         }
 560
 561         function getFriendlyName( $name ) {
 562                 global $wgLang;
 563                 # Replace illegal characters for Windows paths with underscores
 564                 $friendlyName = strtr( $name, '/\\*?"<>|~', '_________' );
 565
 566                 # Work out lower case form. We assume we're on a system with case-insensitive
 567                 # filenames, so unless the case is of a special form, we have to disambiguate
 568                 if ( function_exists( 'mb_strtolower' ) ) {
 569                         $lowerCase = $wgLang->ucfirst( mb_strtolower( $name ) );
 570                 } else {
 571                         $lowerCase = ucfirst( strtolower( $name ) );
 572                 }
 573
 574                 # Make it mostly unique
 575                 if ( $lowerCase != $friendlyName  ) {
 576                         $friendlyName .= '_' . substr(md5( $name ), 0, 4);
 577                 }
 578                 # Handle colon specially by replacing it with tilde
 579                 # Thus we reduce the number of paths with hashes appended
 580                 $friendlyName = str_replace( ':', '~', $friendlyName );
 581
 582                 return $friendlyName;
 583         }
 584
 585         /**
 586          * Get a relative directory for putting a title into
 587          */
 588         function getHashedDirectory( &$title ) {
 589                 if ( '' != $title->getInterwiki() ) {
 590                         $pdbk = $title->getDBkey();
 591                 } else {
 592                         $pdbk = $title->getPrefixedDBkey();
 593                 }
 594
 595                 # Find the first colon if there is one, use characters after it
 596                 $p = strpos( $pdbk, ':' );
 597                 if ( $p !== false ) {
 598                         $dbk = substr( $pdbk, $p + 1 );
 599                         $dbk = substr( $dbk, strspn( $dbk, '_' ) );
 600                 } else {
 601                         $dbk = $pdbk;
 602                 }
 603
 604                 # Split into characters
 605                 preg_match_all( '/./us', $dbk, $m );
 606
 607                 $chars = $m[0];
 608                 $length = count( $chars );
 609                 $dir = '';
 610
 611                 for ( $i = 0; $i < $this->depth; $i++ ) {
 612                         if ( $i ) {
 613                                 $dir .= '/';
 614                         }
 615                         if ( $i >= $length ) {
 616                                 $dir .= '_';
 617                         } else {
 618                                 $c = $chars[$i];
 619                                 if ( ord( $c ) >= 128 || preg_match( '/[a-zA-Z0-9!#$%&()+,[\]^_`{}-]/', $c ) ) {
 620                                         if ( function_exists( 'mb_strtolower' ) ) {
 621                                                 $dir .= mb_strtolower( $c );
 622                                         } else {
 623                                                 $dir .= strtolower( $c );
 624                                         }
 625                                 } else {
 626                                         $dir .= sprintf( "%02X", ord( $c ) );
 627                                 }
 628                         }
 629                 }
 630                 return $dir;
 631         }
 632
 633 }
 634
 635 /** XML parser callback */
 636 function wfDumpStartTagHandler( $parser, $name, $attribs ) {
 637         global $wgDumpImages;
 638
 639         if ( $name == 'IMG' && isset( $attribs['SRC'] ) ) {
 640                 $wgDumpImages[$attribs['SRC']] = true;
 641         }
 642 }
 643
 644 /** XML parser callback */
 645 function wfDumpEndTagHandler( $parser, $name ) {}
 646
 647 # vim: syn=php
 648 ?>