includes/ImportXMLReader.php

   1 <?php
   2 /**
   3  * implements Special:Import
   4  * @ingroup SpecialPage
   5  */
   6 class ImportXMLReader {
   7         private $reader = null;
   8         private $mLogItemCallback, $mUploadCallback, $mRevisionCallback, $mPageCallback;
   9         private $mSiteInfoCallback, $mTargetNamespace, $mPageOutCallback;
  10         private $mDebug;
  11
  12         function __construct( $source ) {
  13                 $this->reader = new XMLReader();
  14
  15                 stream_wrapper_register( 'uploadsource', 'UploadSourceAdapter' );
  16                 $id = UploadSourceAdapter::registerSource( $source );
  17                 $this->reader->open( "uploadsource://$id" );
  18
  19                 // Default callbacks
  20                 $this->setRevisionCallback( array( $this, "importRevision" ) );
  21                 $this->setUploadCallback( array( $this, 'importUpload' ) );
  22                 $this->setLogItemCallback( array( $this, 'importLogItem' ) );
  23         }
  24
  25         function throwXmlError( $err ) {
  26                 $this->debug( "FAILURE: $err" );
  27                 wfDebug( "WikiImporter XML error: $err\n" );
  28         }
  29
  30         function debug( $data ) {
  31                 if( $this->mDebug ) {
  32                         wfDebug( "IMPORT: $data\n" );
  33                 }
  34         }
  35
  36         function warn( $data ) {
  37                 wfDebug( "IMPORT: $data\n" );
  38         }
  39
  40         function notice( $data ) {
  41                 global $wgCommandLineMode;
  42                 if( $wgCommandLineMode ) {
  43                         print "$data\n";
  44                 } else {
  45                         global $wgOut;
  46                         $wgOut->addHTML( "<li>" . htmlspecialchars( $data ) . "</li>\n" );
  47                 }
  48         }
  49
  50         /**
  51          * Set debug mode...
  52          */
  53         function setDebug( $debug ) {
  54                 $this->mDebug = $debug;
  55         }
  56
  57         /**
  58          * Sets the action to perform as each new page in the stream is reached.
  59          * @param $callback callback
  60          * @return callback
  61          */
  62         function setPageCallback( $callback ) {
  63                 $previous = $this->mPageCallback;
  64                 $this->mPageCallback = $callback;
  65                 return $previous;
  66         }
  67
  68         /**
  69          * Sets the action to perform as each page in the stream is completed.
  70          * Callback accepts the page title (as a Title object), a second object
  71          * with the original title form (in case it's been overridden into a
  72          * local namespace), and a count of revisions.
  73          *
  74          * @param $callback callback
  75          * @return callback
  76          */
  77         function setPageOutCallback( $callback ) {
  78                 $previous = $this->mPageOutCallback;
  79                 $this->mPageOutCallback = $callback;
  80                 return $previous;
  81         }
  82
  83         /**
  84          * Sets the action to perform as each page revision is reached.
  85          * @param $callback callback
  86          * @return callback
  87          */
  88         function setRevisionCallback( $callback ) {
  89                 $previous = $this->mRevisionCallback;
  90                 $this->mRevisionCallback = $callback;
  91                 return $previous;
  92         }
  93
  94         /**
  95          * Sets the action to perform as each file upload version is reached.
  96          * @param $callback callback
  97          * @return callback
  98          */
  99         function setUploadCallback( $callback ) {
 100                 $previous = $this->mUploadCallback;
 101                 $this->mUploadCallback = $callback;
 102                 return $previous;
 103         }
 104
 105         /**
 106          * Sets the action to perform as each log item reached.
 107          * @param $callback callback
 108          * @return callback
 109          */
 110         function setLogItemCallback( $callback ) {
 111                 $previous = $this->mLogItemCallback;
 112                 $this->mLogItemCallback = $callback;
 113                 return $previous;
 114         }
 115
 116         /**
 117          * Sets the action to perform when site info is encountered
 118          * @param $callback callback
 119          * @return callback
 120          */
 121         function setSiteInfoCallback( $callback ) {
 122                 $previous = $this->mSiteInfoCallback;
 123                 $this->mSiteInfoCallback = $callback;
 124                 return $previous;
 125         }
 126
 127         /**
 128          * Set a target namespace to override the defaults
 129          */
 130         function setTargetNamespace( $namespace ) {
 131                 if( is_null( $namespace ) ) {
 132                         // Don't override namespaces
 133                         $this->mTargetNamespace = null;
 134                 } elseif( $namespace >= 0 ) {
 135                         // FIXME: Check for validity
 136                         $this->mTargetNamespace = intval( $namespace );
 137                 } else {
 138                         return false;
 139                 }
 140         }
 141
 142         /**
 143          * Default per-revision callback, performs the import.
 144          * @param $revision WikiRevision
 145          * @private
 146          */
 147         function importRevision( $revision ) {
 148                 $dbw = wfGetDB( DB_MASTER );
 149                 return $dbw->deadlockLoop( array( $revision, 'importOldRevision' ) );
 150         }
 151
 152         /**
 153          * Default per-revision callback, performs the import.
 154          * @param $rev WikiRevision
 155          * @private
 156          */
 157         function importLogItem( $rev ) {
 158                 $dbw = wfGetDB( DB_MASTER );
 159                 return $dbw->deadlockLoop( array( $rev, 'importLogItem' ) );
 160         }
 161
 162         /**
 163          * Dummy for now...
 164          */
 165         function importUpload( $revision ) {
 166                 //$dbw = wfGetDB( DB_MASTER );
 167                 //return $dbw->deadlockLoop( array( $revision, 'importUpload' ) );
 168                 return false;
 169         }
 170
 171         /**
 172          * Alternate per-revision callback, for debugging.
 173          * @param $revision WikiRevision
 174          * @private
 175          */
 176         function debugRevisionHandler( &$revision ) {
 177                 $this->debug( "Got revision:" );
 178                 if( is_object( $revision->title ) ) {
 179                         $this->debug( "-- Title: " . $revision->title->getPrefixedText() );
 180                 } else {
 181                         $this->debug( "-- Title: <invalid>" );
 182                 }
 183                 $this->debug( "-- User: " . $revision->user_text );
 184                 $this->debug( "-- Timestamp: " . $revision->timestamp );
 185                 $this->debug( "-- Comment: " . $revision->comment );
 186                 $this->debug( "-- Text: " . $revision->text );
 187         }
 188
 189         /**
 190          * Notify the callback function when a new <page> is reached.
 191          * @param $title Title
 192          * @private
 193          */
 194         function pageCallback( $title ) {
 195                 if( is_callable( $this->mPageCallback ) ) {
 196                         call_user_func( $this->mPageCallback, $title );
 197                 }
 198         }
 199
 200         /**
 201          * Notify the callback function when a </page> is closed.
 202          * @param $title Title
 203          * @param $origTitle Title
 204          * @param $revisionCount int
 205          * @param $successCount Int: number of revisions for which callback returned true
 206          * @private
 207          */
 208         function pageOutCallback( $title, $origTitle, $revisionCount, $successCount ) {
 209                 if( is_callable( $this->mPageOutCallback ) ) {
 210                         call_user_func_array( $this->mPageOutCallback,
 211                                 array( $title, $origTitle, $revisionCount, $successCount ) );
 212                 }
 213         }
 214
 215         function revisionCallback( $revision ) {
 216                 if ( is_callable( $this->mRevisionCallback ) ) {
 217                         return call_user_func_array( $this->mRevisionCallback,
 218                                         array( $revision, $this ) );
 219                 } else {
 220                         return false;
 221                 }
 222         }
 223
 224         function logItemCallback( $revision ) {
 225                 if ( is_callable( $this->mLogItemCallback ) ) {
 226                         return call_user_func_array( $this->mLogItemCallback,
 227                                         array( $revision, $this ) );
 228                 } else {
 229                         return false;
 230                 }
 231         }
 232
 233         /**
 234          * Shouldn't something like this be built-in to XMLReader?
 235          * Fetches text contents of the current element, assuming
 236          * no sub-elements or such scary things.
 237          * @return string
 238          * @access private
 239          */
 240         function nodeContents() {
 241                 if( $this->reader->isEmptyElement ) {
 242                         return "";
 243                 }
 244                 $buffer = "";
 245                 while( $this->reader->read() ) {
 246                         switch( $this->reader->nodeType ) {
 247                         case XmlReader::TEXT:
 248                         case XmlReader::SIGNIFICANT_WHITESPACE:
 249                                 $buffer .= $this->reader->value;
 250                                 break;
 251                         case XmlReader::END_ELEMENT:
 252                                 return $buffer;
 253                         }
 254                 }
 255                 return $this->close();
 256         }
 257
 258         # --------------
 259
 260         function dumpElement() {
 261                 static $lookup = null;
 262                 if (!$lookup) {
 263                         $xmlReaderConstants = array(
 264                                 "NONE",
 265                                 "ELEMENT",
 266                                 "ATTRIBUTE",
 267                                 "TEXT",
 268                                 "CDATA",
 269                                 "ENTITY_REF",
 270                                 "ENTITY",
 271                                 "PI",
 272                                 "COMMENT",
 273                                 "DOC",
 274                                 "DOC_TYPE",
 275                                 "DOC_FRAGMENT",
 276                                 "NOTATION",
 277                                 "WHITESPACE",
 278                                 "SIGNIFICANT_WHITESPACE",
 279                                 "END_ELEMENT",
 280                                 "END_ENTITY",
 281                                 "XML_DECLARATION",
 282                                 );
 283                         $lookup = array();
 284
 285                         foreach( $xmlReaderConstants as $name ) {
 286                                 $lookup[constant("XmlReader::$name")] = $name;
 287                         }
 288                 }
 289
 290                 print( var_dump(
 291                         $lookup[$this->reader->nodeType],
 292                         $this->reader->name,
 293                         $this->reader->value
 294                 )."\n\n" );
 295         }
 296
 297         function doImport() {
 298                 $this->reader->read();
 299
 300                 if ( $this->reader->name != 'mediawiki' ) {
 301                         throw new MWException( "Expected <mediawiki> tag, got ".
 302                                 $this->reader->name );
 303                 }
 304                 $this->debug( "<mediawiki> tag is correct." );
 305
 306                 $this->debug( "Starting primary dump processing loop." );
 307
 308                 $keepReading = $this->reader->read();
 309                 $skip = false;
 310                 while ( $keepReading ) {
 311                         $tag = $this->reader->name;
 312                         $type = $this->reader->nodeType;
 313
 314                         if ( !wfRunHooks( 'ImportHandleToplevelXMLTag', $this->reader ) ) {
 315                                 // Do nothing
 316                         } elseif ( $tag == 'mediawiki' && $type == XmlReader::END_ELEMENT ) {
 317                                 break;
 318                         } elseif ( $tag == 'siteinfo' ) {
 319                                 $this->handleSiteInfo();
 320                         } elseif ( $tag == 'page' ) {
 321                                 $this->handlePage();
 322                         } elseif ( $tag == 'logitem' ) {
 323                                 $this->handleLogItem();
 324                         } elseif ( $tag != '#text' ) {
 325                                 $this->warn( "Unhandled top-level XML tag $tag" );
 326
 327                                 $skip = true;
 328                         }
 329
 330                         if ($skip) {
 331                                 $keepReading = $this->reader->next();
 332                                 $skip = false;
 333                                 $this->debug( "Skip" );
 334                         } else {
 335                                 $keepReading = $this->reader->read();
 336                         }
 337                 }
 338
 339                 return true;
 340         }
 341
 342         function handleSiteInfo() {
 343                 // Site info is useful, but not actually used for dump imports.
 344                 // Includes a quick short-circuit to save performance.
 345                 if ( ! $this->mSiteInfoCallback ) {
 346                         $this->reader->next();
 347                         return true;
 348                 }
 349                 throw new MWException( "SiteInfo tag is not yet handled, do not set mSiteInfoCallback" );
 350         }
 351
 352         function handleLogItem() {
 353                 $this->debug( "Enter log item handler." );
 354                 $logInfo = array();
 355
 356                 // Fields that can just be stuffed in the pageInfo object
 357                 $normalFields = array( 'id', 'comment', 'type', 'action', 'timestamp',
 358                                         'logtitle', 'params' );
 359
 360                 while ( $this->reader->read() ) {
 361                         if ( $this->reader->nodeType == XmlReader::END_ELEMENT &&
 362                                         $this->reader->name == 'logitem') {
 363                                 break;
 364                         }
 365
 366                         $tag = $this->reader->name;
 367
 368                         if ( !wfRunHooks( 'ImportHandleLogItemXMLTag',
 369                                                 $this->reader, &$logInfo ) ) {
 370                                 // Do nothing
 371                         } if ( in_array( $tag, $normalFields ) ) {
 372                                 $logInfo[$tag] = $this->nodeContents();
 373                         } elseif ( $tag == 'contributor' ) {
 374                                 $logInfo['contributor'] = $this->handleContributor();
 375                         } elseif ( $tag != '#text' ) {
 376                                 $this->warn( "Unhandled log-item XML tag $tag" );
 377                         }
 378                 }
 379
 380                 $this->processLogItem( $logInfo );
 381         }
 382
 383         function processLogItem( $logInfo ) {
 384                 $revision = new WikiRevision;
 385
 386                 $revision->setID( $logInfo['id'] );
 387                 $revision->setType( $logInfo['type'] );
 388                 $revision->setAction( $logInfo['action'] );
 389                 $revision->setTimestamp( $logInfo['timestamp'] );
 390                 $revision->setParams( $logInfo['params'] );
 391                 $revision->setTitle( Title::newFromText( $logInfo['logtitle'] ) );
 392
 393                 if ( isset( $logInfo['comment'] ) ) {
 394                         $revision->setComment( $logInfo['comment'] );
 395                 }
 396
 397                 if ( isset( $logInfo['contributor']['ip'] ) ) {
 398                         $revision->setUserIP( $logInfo['contributor']['ip'] );
 399                 }
 400                 if ( isset( $logInfo['contributor']['username'] ) ) {
 401                         $revision->setUserName( $logInfo['contributor']['username'] );
 402                 }
 403
 404                 return $this->logItemCallback( $revision );
 405         }
 406
 407         function handlePage() {
 408                 // Handle page data.
 409                 $this->debug( "Enter page handler." );
 410                 $pageInfo = array( 'revisionCount' => 0, 'successfulRevisionCount' => 0 );
 411
 412                 // Fields that can just be stuffed in the pageInfo object
 413                 $normalFields = array( 'title', 'id', 'redirect', 'restrictions' );
 414
 415                 $skip = false;
 416                 $badTitle = false;
 417
 418                 while ( $skip ? $this->reader->next() : $this->reader->read() ) {
 419                         if ( $this->reader->nodeType == XmlReader::END_ELEMENT &&
 420                                         $this->reader->name == 'page') {
 421                                 break;
 422                         }
 423
 424                         $tag = $this->reader->name;
 425
 426                         if ( $badTitle ) {
 427                                 // The title is invalid, bail out of this page
 428                                 $skip = true;
 429                         } elseif ( !wfRunHooks( 'ImportHandlePageXMLTag', $this->reader,
 430                                                 &$pageInfo ) ) {
 431                                 // Do nothing
 432                         } if ( in_array( $tag, $normalFields ) ) {
 433                                 $pageInfo[$tag] = $this->nodeContents();
 434                                 if ( $tag == 'title' ) {
 435                                         $title = $this->processTitle( $pageInfo['title'] );
 436
 437                                         if ( !$title ) {
 438                                                 $badTitle = true;
 439                                                 $skip = true;
 440                                         }
 441
 442                                         $this->pageCallback( $title );
 443                                         list( $pageInfo['_title'], $origTitle ) = $title;
 444                                 }
 445                         } elseif ( $tag == 'revision' ) {
 446                                 $this->handleRevision( $pageInfo );
 447                         } elseif ( $tag == 'upload' ) {
 448                                 $this->handleUpload( $pageInfo );
 449                         } elseif ( $tag != '#text' ) {
 450                                 $this->warn( "Unhandled page XML tag $tag" );
 451                                 $skip = true;
 452                         }
 453                 }
 454
 455                 $this->pageOutCallback( $pageInfo['_title'], $origTitle,
 456                                         $pageInfo['revisionCount'],
 457                                         $pageInfo['successfulRevisionCount'] );
 458         }
 459
 460         function handleRevision( &$pageInfo ) {
 461                 $this->debug( "Enter revision handler" );
 462                 $revisionInfo = array();
 463
 464                 $normalFields = array( 'id', 'timestamp', 'comment', 'minor', 'text' );
 465
 466                 $skip = false;
 467
 468                 while ( $skip ? $this->reader->next() : $this->reader->read() ) {
 469                         if ( $this->reader->nodeType == XmlReader::END_ELEMENT &&
 470                                         $this->reader->name == 'revision') {
 471                                 break;
 472                         }
 473
 474                         $tag = $this->reader->name;
 475
 476                         if ( !wfRunHooks( 'ImportHandleRevisionXMLTag', $this->reader,
 477                                                 &$pageInfo, &$revisionInfo ) ) {
 478                                 // Do nothing
 479                         } if ( in_array( $tag, $normalFields ) ) {
 480                                 $revisionInfo[$tag] = $this->nodeContents();
 481                         } elseif ( $tag == 'contributor' ) {
 482                                 $revisionInfo['contributor'] = $this->handleContributor();
 483                         } elseif ( $tag != '#text' ) {
 484                                 $this->warn( "Unhandled revision XML tag $tag" );
 485                                 $skip = true;
 486                         }
 487                 }
 488
 489                 $pageInfo['revisionCount']++;
 490                 if ( $this->processRevision( $pageInfo, $revisionInfo ) ) {
 491                         $pageInfo['successfulRevisionCount']++;
 492                 }
 493         }
 494
 495         function processRevision( $pageInfo, $revisionInfo ) {
 496                 $revision = new WikiRevision;
 497
 498                 $revision->setID( $revisionInfo['id'] );
 499                 $revision->setText( $revisionInfo['text'] );
 500                 $revision->setTitle( $pageInfo['_title'] );
 501                 $revision->setTimestamp( $revisionInfo['timestamp'] );
 502
 503                 if ( isset( $revisionInfo['comment'] ) ) {
 504                         $revision->setComment( $revisionInfo['comment'] );
 505                 }
 506
 507                 if ( isset( $revisionInfo['minor'] ) )
 508                         $revision->setMinor( true );
 509
 510                 if ( isset( $revisionInfo['contributor']['ip'] ) ) {
 511                         $revision->setUserIP( $revisionInfo['contributor']['ip'] );
 512                 }
 513                 if ( isset( $revisionInfo['contributor']['username'] ) ) {
 514                         $revision->setUserName( $revisionInfo['contributor']['username'] );
 515                 }
 516
 517                 return $this->revisionCallback( $revision );
 518         }
 519
 520         function handleUpload( &$pageInfo ) {
 521                 $this->debug( "Enter upload handler" );
 522                 $uploadInfo = array();
 523
 524                 $normalFields = array( 'timestamp', 'comment', 'filename', 'text',
 525                                         'src', 'size' );
 526
 527                 $skip = false;
 528
 529                 while ( $skip ? $this->reader->next() : $this->reader->read() ) {
 530                         if ( $this->reader->nodeType == XmlReader::END_ELEMENT &&
 531                                         $this->reader->name == 'upload') {
 532                                 break;
 533                         }
 534
 535                         $tag = $this->reader->name;
 536
 537                         if ( !wfRunHooks( 'ImportHandleUploadXMLTag', $this->reader,
 538                                                 &$pageInfo, &$revisionInfo ) ) {
 539                                 // Do nothing
 540                         } if ( in_array( $tag, $normalFields ) ) {
 541                                 $uploadInfo[$tag] = $this->nodeContents();
 542                         } elseif ( $tag == 'contributor' ) {
 543                                 $uploadInfo['contributor'] = $this->handleContributor();
 544                         } elseif ( $tag != '#text' ) {
 545                                 $this->warn( "Unhandled upload XML tag $tag" );
 546                                 $skip = true;
 547                         }
 548                 }
 549
 550                 return $this->processUpload( $pageInfo, $uploadInfo );
 551         }
 552
 553         function processUpload( $pageInfo, $uploadInfo ) {
 554                 $revision = new WikiRevision;
 555
 556                 $revision->setTitle( $pageInfo['_title'] );
 557                 $revision->setID( $uploadInfo['id'] );
 558                 $revision->setTimestamp( $uploadInfo['timestamp'] );
 559                 $revision->setText( $uploadInfo['text'] );
 560                 $revision->setFilename( $uploadInfo['filename'] );
 561                 $revision->setSrc( $uploadInfo['src'] );
 562                 $revision->setSize( intval( $uploadInfo['size'] ) );
 563                 $revision->setComment( $uploadInfo['comment'] );
 564
 565                 if ( isset( $uploadInfo['contributor']['ip'] ) ) {
 566                         $revision->setUserIP( $revisionInfo['contributor']['ip'] );
 567                 }
 568                 if ( isset( $uploadInfo['contributor']['username'] ) ) {
 569                         $revision->setUserName( $revisionInfo['contributor']['username'] );
 570                 }
 571
 572                 return $this->uploadCallback( $revision );
 573         }
 574
 575         function handleContributor() {
 576                 $fields = array( 'id', 'ip', 'username' );
 577                 $info = array();
 578
 579                 while ( $this->reader->read() ) {
 580                         if ( $this->reader->nodeType == XmlReader::END_ELEMENT &&
 581                                         $this->reader->name == 'contributor') {
 582                                 break;
 583                         }
 584
 585                         $tag = $this->reader->name;
 586
 587                         if ( in_array( $tag, $fields ) ) {
 588                                 $info[$tag] = $this->nodeContents();
 589                         }
 590                 }
 591
 592                 return $info;
 593         }
 594
 595         function processTitle( $text ) {
 596                 $workTitle = $text;
 597                 $origTitle = Title::newFromText( $workTitle );
 598                 $title = null;
 599
 600                 if( !is_null( $this->mTargetNamespace ) && !is_null( $origTitle ) ) {
 601                         $title = Title::makeTitle( $this->mTargetNamespace,
 602                                 $origTitle->getDBkey() );
 603                 } else {
 604                         $title = Title::newFromText( $workTitle );
 605                 }
 606
 607                 if( is_null( $title ) ) {
 608                         // Invalid page title? Ignore the page
 609                         $this->notice( "Skipping invalid page title '$workTitle'" );
 610                 } elseif( $title->getInterwiki() != '' ) {
 611                         $this->notice( "Skipping interwiki page title '$workTitle'" );
 612                         $title = null;
 613                 }
 614
 615                 return array( $origTitle, $title );
 616         }
 617 }
 618
 619 class UploadSourceAdapter {
 620         static $sourceRegistrations = array();
 621
 622         private $mSource;
 623         private $mBuffer;
 624         private $mPosition;
 625
 626         static function registerSource( $source ) {
 627                 $id = wfGenerateToken();
 628
 629                 self::$sourceRegistrations[$id] = $source;
 630
 631                 return $id;
 632         }
 633
 634         function stream_open( $path, $mode, $options, &$opened_path ) {
 635                 $url = parse_url($path);
 636                 $id = $url['host'];
 637
 638                 if ( !isset( self::$sourceRegistrations[$id] ) ) {
 639                         return false;
 640                 }
 641
 642                 $this->mSource = self::$sourceRegistrations[$id];
 643
 644                 return true;
 645         }
 646
 647         function stream_read( $count ) {
 648                 $return = '';
 649                 $leave = false;
 650
 651                 while ( !$leave && !$this->mSource->atEnd() &&
 652                                 count($this->mBuffer) < $count ) {
 653                         $read = $this->mSource->readChunk();
 654
 655                         if ( !count($read) ) {
 656                                 $leave = true;
 657                         }
 658
 659                         $this->mBuffer .= $read;
 660                 }
 661
 662                 if ( count($this->mBuffer) ) {
 663                         $return = substr( $this->mBuffer, 0, $count );
 664                         $this->mBuffer = substr( $this->mBuffer, $count );
 665                 }
 666
 667                 $this->mPosition += strlen($return);
 668
 669                 return $return;
 670         }
 671
 672         function stream_write( $data ) {
 673                 return false;
 674         }
 675
 676         function stream_tell() {
 677                 return $this->mPosition;
 678         }
 679
 680         function stream_eof() {
 681                 return $this->mSource->atEnd();
 682         }
 683
 684         function url_stat() {
 685                 $result = array();
 686
 687                 $result['dev'] = $result[0] = 0;
 688                 $result['ino'] = $result[1] = 0;
 689                 $result['mode'] = $result[2] = 0;
 690                 $result['nlink'] = $result[3] = 0;
 691                 $result['uid'] = $result[4] = 0;
 692                 $result['gid'] = $result[5] = 0;
 693                 $result['rdev'] = $result[6] = 0;
 694                 $result['size'] = $result[7] = 0;
 695                 $result['atime'] = $result[8] = 0;
 696                 $result['mtime'] = $result[9] = 0;
 697                 $result['ctime'] = $result[10] = 0;
 698                 $result['blksize'] = $result[11] = 0;
 699                 $result['blocks'] = $result[12] = 0;
 700
 701                 return $result;
 702         }
 703 }