includes/specials/SpecialRecentchanges.php

   1 <?php
   2
   3 /**
   4  * Implements Special:Recentchanges
   5  * @ingroup SpecialPage
   6  */
   7 class SpecialRecentChanges extends SpecialPage {
   8         public function __construct() {
   9                 parent::__construct( 'Recentchanges' );
  10                 $this->includable( true );
  11         }
  12
  13         /**
  14          * Get a FormOptions object containing the default options
  15          *
  16          * @return FormOptions
  17          */
  18         public function getDefaultOptions() {
  19                 global $wgUser;
  20                 $opts = new FormOptions();
  21
  22                 $opts->add( 'days',  (int)$wgUser->getOption( 'rcdays' ) );
  23                 $opts->add( 'limit', (int)$wgUser->getOption( 'rclimit' ) );
  24                 $opts->add( 'from', '' );
  25
  26                 $opts->add( 'hideminor',     $wgUser->getBoolOption( 'hideminor' ) );
  27                 $opts->add( 'hidebots',      true  );
  28                 $opts->add( 'hideanons',     false );
  29                 $opts->add( 'hideliu',       false );
  30                 $opts->add( 'hidepatrolled', $wgUser->getBoolOption( 'hidepatrolled' ) );
  31                 $opts->add( 'hidemyself',    false );
  32
  33                 $opts->add( 'namespace', '', FormOptions::INTNULL );
  34                 $opts->add( 'invert', false );
  35
  36                 $opts->add( 'categories', '' );
  37                 $opts->add( 'categories_any', false );
  38                 return $opts;
  39         }
  40
  41         /**
  42          * Get a FormOptions object with options as specified by the user
  43          *
  44          * @return FormOptions
  45          */
  46         public function setup( $parameters ) {
  47                 global $wgRequest;
  48
  49                 $opts = $this->getDefaultOptions();
  50                 $opts->fetchValuesFromRequest( $wgRequest );
  51
  52                 // Give precedence to subpage syntax
  53                 if( $parameters !== null ) {
  54                         $this->parseParameters( $parameters, $opts );
  55                 }
  56
  57                 $opts->validateIntBounds( 'limit', 0, 5000 );
  58                 return $opts;
  59         }
  60
  61         /**
  62          * Get a FormOptions object sepcific for feed requests
  63          *
  64          * @return FormOptions
  65          */
  66         public function feedSetup() {
  67                 global $wgFeedLimit, $wgRequest;
  68                 $opts = $this->getDefaultOptions();
  69                 # Feed is cached on limit,hideminor; other params would randomly not work
  70                 $opts->fetchValuesFromRequest( $wgRequest, array( 'limit', 'hideminor' ) );
  71                 $opts->validateIntBounds( 'limit', 0, $wgFeedLimit );
  72                 return $opts;
  73         }
  74
  75         /**
  76          * Main execution point
  77          *
  78          * @param $parameters string
  79          */
  80         public function execute( $parameters ) {
  81                 global $wgRequest, $wgOut;
  82                 $feedFormat = $wgRequest->getVal( 'feed' );
  83
  84                 # 10 seconds server-side caching max
  85                 $wgOut->setSquidMaxage( 10 );
  86                 # Check if the client has a cached version
  87                 $lastmod = $this->checkLastModified( $feedFormat );
  88                 if( $lastmod === false ) {
  89                         return;
  90                 }
  91
  92                 $opts = $feedFormat ? $this->feedSetup() : $this->setup( $parameters );
  93                 $this->setHeaders();
  94                 $this->outputHeader();
  95
  96                 // Fetch results, prepare a batch link existence check query
  97                 $rows = array();
  98                 $conds = $this->buildMainQueryConds( $opts );
  99                 $rows = $this->doMainQuery( $conds, $opts );
 100                 if( $rows === false ){
 101                         if( !$this->including() ) {
 102                                 $this->doHeader( $opts );
 103                         }
 104                         return;
 105                 }
 106
 107                 if( !$feedFormat ) {
 108                         $batch = new LinkBatch;
 109                         foreach( $rows as $row ) {
 110                                 $batch->add( NS_USER, $row->rc_user_text  );
 111                                 $batch->add( NS_USER_TALK, $row->rc_user_text  );
 112                         }
 113                         $batch->execute();
 114                 }
 115                 $target = isset($opts['target']) ? $opts['target'] : ''; // RCL has targets
 116                 if( $feedFormat ) {
 117                         list( $feed, $feedObj ) = $this->getFeedObject( $feedFormat );
 118                         $feed->execute( $feedObj, $rows, $opts['limit'], $opts['hideminor'], $lastmod, $target );
 119                 } else {
 120                         $this->webOutput( $rows, $opts );
 121                 }
 122
 123                 $rows->free();
 124         }
 125
 126         /**
 127          * Return an array with a ChangesFeed object and ChannelFeed object
 128          *
 129          * @return array
 130          */
 131         public function getFeedObject( $feedFormat ){
 132                 $feed = new ChangesFeed( $feedFormat, 'rcfeed' );
 133                 $feedObj = $feed->getFeedObject(
 134                         wfMsgForContent( 'recentchanges' ),
 135                         wfMsgForContent( 'recentchanges-feed-description' )
 136                 );
 137                 return array( $feed, $feedObj );
 138         }
 139
 140         /**
 141          * Process $par and put options found if $opts
 142          * Mainly used when including the page
 143          *
 144          * @param $par String
 145          * @param $opts FormOptions
 146          */
 147         public function parseParameters( $par, FormOptions $opts ) {
 148                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
 149                 foreach( $bits as $bit ) {
 150                         if( 'hidebots' === $bit ) $opts['hidebots'] = true;
 151                         if( 'bots' === $bit ) $opts['hidebots'] = false;
 152                         if( 'hideminor' === $bit ) $opts['hideminor'] = true;
 153                         if( 'minor' === $bit ) $opts['hideminor'] = false;
 154                         if( 'hideliu' === $bit ) $opts['hideliu'] = true;
 155                         if( 'hidepatrolled' === $bit ) $opts['hidepatrolled'] = true;
 156                         if( 'hideanons' === $bit ) $opts['hideanons'] = true;
 157                         if( 'hidemyself' === $bit ) $opts['hidemyself'] = true;
 158
 159                         if( is_numeric( $bit ) ) $opts['limit'] =  $bit;
 160
 161                         $m = array();
 162                         if( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) $opts['limit'] = $m[1];
 163                         if( preg_match( '/^days=(\d+)$/', $bit, $m ) ) $opts['days'] = $m[1];
 164                 }
 165         }
 166
 167         /**
 168          * Get last modified date, for client caching
 169          * Don't use this if we are using the patrol feature, patrol changes don't
 170          * update the timestamp
 171          *
 172          * @param $feedFormat String
 173          * @return string or false
 174          */
 175         public function checkLastModified( $feedFormat ) {
 176                 global $wgUseRCPatrol, $wgOut;
 177                 $dbr = wfGetDB( DB_SLAVE );
 178                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, __FUNCTION__ );
 179                 if( $feedFormat || !$wgUseRCPatrol ) {
 180                         if( $lastmod && $wgOut->checkLastModified( $lastmod ) ) {
 181                                 # Client cache fresh and headers sent, nothing more to do.
 182                                 return false;
 183                         }
 184                 }
 185                 return $lastmod;
 186         }
 187
 188         /**
 189          * Return an array of conditions depending of options set in $opts
 190          *
 191          * @param $opts FormOptions
 192          * @return array
 193          */
 194         public function buildMainQueryConds( FormOptions $opts ) {
 195                 global $wgUser;
 196
 197                 $dbr = wfGetDB( DB_SLAVE );
 198                 $conds = array();
 199
 200                 # It makes no sense to hide both anons and logged-in users
 201                 # Where this occurs, force anons to be shown
 202                 $forcebot = false;
 203                 if( $opts['hideanons'] && $opts['hideliu'] ){
 204                         # Check if the user wants to show bots only
 205                         if( $opts['hidebots'] ){
 206                                 $opts['hideanons'] = false;
 207                         } else {
 208                                 $forcebot = true;
 209                                 $opts['hidebots'] = false;
 210                         }
 211                 }
 212
 213                 // Calculate cutoff
 214                 $cutoff_unixtime = time() - ( $opts['days'] * 86400 );
 215                 $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
 216                 $cutoff = $dbr->timestamp( $cutoff_unixtime );
 217
 218                 $fromValid = preg_match('/^[0-9]{14}$/', $opts['from']);
 219                 if( $fromValid && $opts['from'] > wfTimestamp(TS_MW,$cutoff) ) {
 220                         $cutoff = $dbr->timestamp($opts['from']);
 221                 } else {
 222                         $opts->reset( 'from' );
 223                 }
 224
 225                 $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes( $cutoff );
 226
 227
 228                 $hidePatrol = $wgUser->useRCPatrol() && $opts['hidepatrolled'];
 229                 $hideLoggedInUsers = $opts['hideliu'] && !$forcebot;
 230                 $hideAnonymousUsers = $opts['hideanons'] && !$forcebot;
 231
 232                 if( $opts['hideminor'] )  $conds['rc_minor'] = 0;
 233                 if( $opts['hidebots'] )   $conds['rc_bot'] = 0;
 234                 if( $hidePatrol )         $conds['rc_patrolled'] = 0;
 235                 if( $forcebot )           $conds['rc_bot'] = 1;
 236                 if( $hideLoggedInUsers )  $conds[] = 'rc_user = 0';
 237                 if( $hideAnonymousUsers ) $conds[] = 'rc_user != 0';
 238
 239                 if( $opts['hidemyself'] ) {
 240                         if( $wgUser->getId() ) {
 241                                 $conds[] = 'rc_user != ' . $dbr->addQuotes( $wgUser->getId() );
 242                         } else {
 243                                 $conds[] = 'rc_user_text != ' . $dbr->addQuotes( $wgUser->getName() );
 244                         }
 245                 }
 246
 247                 # Namespace filtering
 248                 if( $opts['namespace'] !== '' ) {
 249                         if( !$opts['invert'] ) {
 250                                 $conds[] = 'rc_namespace = ' . $dbr->addQuotes( $opts['namespace'] );
 251                         } else {
 252                                 $conds[] = 'rc_namespace != ' . $dbr->addQuotes( $opts['namespace'] );
 253                         }
 254                 }
 255
 256                 return $conds;
 257         }
 258
 259         /**
 260          * Process the query
 261          *
 262          * @param $conds array
 263          * @param $opts FormOptions
 264          * @return database result or false (for Recentchangeslinked only)
 265          */
 266         public function doMainQuery( $conds, $opts ) {
 267                 global $wgUser;
 268
 269                 $tables = array( 'recentchanges' );
 270                 $join_conds = array();
 271
 272                 $uid = $wgUser->getId();
 273                 $dbr = wfGetDB( DB_SLAVE );
 274                 $limit = $opts['limit'];
 275                 $namespace = $opts['namespace'];
 276                 $invert = $opts['invert'];
 277
 278                 // JOIN on watchlist for users
 279                 if( $uid ) {
 280                         $tables[] = 'watchlist';
 281                         $join_conds = array( 'watchlist' => array('LEFT JOIN',
 282                                 "wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace") );
 283                 }
 284
 285                 wfRunHooks('SpecialRecentChangesQuery', array( &$conds, &$tables, &$join_conds, $opts ) );
 286
 287                 // Is there either one namespace selected or excluded?
 288                 // Also, if this is "all" or main namespace, just use timestamp index.
 289                 if( is_null($namespace) || $invert || $namespace == NS_MAIN ) {
 290                         $res = $dbr->select( $tables, '*', $conds, __METHOD__,
 291                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 292                                         'USE INDEX' => array('recentchanges' => 'rc_timestamp') ),
 293                                 $join_conds );
 294                 // We have a new_namespace_time index! UNION over new=(0,1) and sort result set!
 295                 } else {
 296                         // New pages
 297                         $sqlNew = $dbr->selectSQLText( $tables, '*',
 298                                 array( 'rc_new' => 1 ) + $conds,
 299                                 __METHOD__,
 300                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 301                                         'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
 302                                 $join_conds );
 303                         // Old pages
 304                         $sqlOld = $dbr->selectSQLText( $tables, '*',
 305                                 array( 'rc_new' => 0 ) + $conds,
 306                                 __METHOD__,
 307                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 308                                         'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
 309                                 $join_conds );
 310                         # Join the two fast queries, and sort the result set
 311                         $sql = "($sqlNew) UNION ($sqlOld) ORDER BY rc_timestamp DESC LIMIT $limit";
 312                         $res = $dbr->query( $sql, __METHOD__ );
 313                 }
 314
 315                 return $res;
 316         }
 317
 318         /**
 319          * Send output to $wgOut, only called if not used feeds
 320          *
 321          * @param $rows array of database rows
 322          * @param $opts FormOptions
 323          */
 324         public function webOutput( $rows, $opts ) {
 325                 global $wgOut, $wgUser, $wgRCShowWatchingUsers, $wgShowUpdatedMarker;
 326                 global $wgAllowCategorizedRecentChanges;
 327
 328                 $limit = $opts['limit'];
 329
 330                 if( !$this->including() ) {
 331                         // Output options box
 332                         $this->doHeader( $opts );
 333                 }
 334
 335                 // And now for the content
 336                 $wgOut->setSyndicated( true );
 337
 338                 if( $wgAllowCategorizedRecentChanges ) {
 339                         $this->filterByCategories( $rows, $opts );
 340                 }
 341
 342                 $showWatcherCount = $wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' );
 343                 $watcherCache = array();
 344
 345                 $dbr = wfGetDB( DB_SLAVE );
 346
 347                 $counter = 1;
 348                 $list = ChangesList::newFromUser( $wgUser );
 349
 350                 $s = $list->beginRecentChangesList();
 351                 foreach( $rows as $obj ) {
 352                         if( $limit == 0 ) break;
 353                         $rc = RecentChange::newFromRow( $obj );
 354                         $rc->counter = $counter++;
 355                         # Check if the page has been updated since the last visit
 356                         if( $wgShowUpdatedMarker && !empty($obj->wl_notificationtimestamp) ) {
 357                                 $rc->notificationtimestamp = ($obj->rc_timestamp >= $obj->wl_notificationtimestamp);
 358                         } else {
 359                                 $rc->notificationtimestamp = false; // Default
 360                         }
 361                         # Check the number of users watching the page
 362                         $rc->numberofWatchingusers = 0; // Default
 363                         if( $showWatcherCount && $obj->rc_namespace >= 0 ) {
 364                                 if( !isset($watcherCache[$obj->rc_namespace][$obj->rc_title]) ) {
 365                                         $watcherCache[$obj->rc_namespace][$obj->rc_title] =
 366                                                  $dbr->selectField( 'watchlist',
 367                                                         'COUNT(*)',
 368                                                         array(
 369                                                                 'wl_namespace' => $obj->rc_namespace,
 370                                                                 'wl_title' => $obj->rc_title,
 371                                                         ),
 372                                                         __METHOD__ . '-watchers' );
 373                                 }
 374                                 $rc->numberofWatchingusers = $watcherCache[$obj->rc_namespace][$obj->rc_title];
 375                         }
 376                         $s .= $list->recentChangesLine( $rc, !empty( $obj->wl_user ) );
 377                         --$limit;
 378                 }
 379                 $s .= $list->endRecentChangesList();
 380                 $wgOut->addHTML( $s );
 381         }
 382
 383         /**
 384          * Return the text to be displayed above the changes
 385          *
 386          * @param $opts FormOptions
 387          * @return String: XHTML
 388          */
 389         public function doHeader( $opts ) {
 390                 global $wgScript, $wgOut;
 391
 392                 $this->setTopText( $wgOut, $opts );
 393
 394                 $defaults = $opts->getAllValues();
 395                 $nondefaults = $opts->getChangedValues();
 396                 $opts->consumeValues( array( 'namespace', 'invert' ) );
 397
 398                 $panel = array();
 399                 $panel[] = $this->optionsPanel( $defaults, $nondefaults );
 400                 $panel[] = '<hr />';
 401
 402                 $extraOpts = $this->getExtraOptions( $opts );
 403                 $extraOptsCount = count( $extraOpts );
 404                 $count = 0;
 405                 $submit = ' ' . Xml::submitbutton( wfMsg( 'allpagessubmit' ) );
 406
 407                 $out = Xml::openElement( 'table', array( 'class' => 'mw-recentchanges-table' ) );
 408                 foreach( $extraOpts as $optionRow ) {
 409                         # Add submit button to the last row only
 410                         ++$count;
 411                         $addSubmit = $count === $extraOptsCount ? $submit : '';
 412
 413                         $out .= Xml::openElement( 'tr' );
 414                         if( is_array( $optionRow ) ) {
 415                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-label' ), $optionRow[0] );
 416                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-input' ), $optionRow[1] . $addSubmit );
 417                         } else {
 418                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-input', 'colspan' => 2 ), $optionRow . $addSubmit );
 419                         }
 420                         $out .= Xml::closeElement( 'tr' );
 421                 }
 422                 $out .= Xml::closeElement( 'table' );
 423
 424                 $unconsumed = $opts->getUnconsumedValues();
 425                 foreach( $unconsumed as $key => $value ) {
 426                         $out .= Xml::hidden( $key, $value );
 427                 }
 428
 429                 $t = $this->getTitle();
 430                 $out .= Xml::hidden( 'title', $t->getPrefixedText() );
 431                 $form = Xml::tags( 'form', array( 'action' => $wgScript ), $out );
 432                 $panel[] = $form;
 433                 $panelString = implode( "\n", $panel );
 434
 435                 $wgOut->addHTML(
 436                         Xml::fieldset( wfMsg( 'recentchanges-legend' ), $panelString, array( 'class' => 'rcoptions' ) )
 437                 );
 438
 439                 $this->setBottomText( $wgOut, $opts );
 440         }
 441
 442         /**
 443          * Get options to be displayed in a form
 444          *
 445          * @param $opts FormOptions
 446          * @return array
 447          */
 448         function getExtraOptions( $opts ){
 449                 $extraOpts = array();
 450                 $extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
 451
 452                 global $wgAllowCategorizedRecentChanges;
 453                 if( $wgAllowCategorizedRecentChanges ) {
 454                         $extraOpts['category'] = $this->categoryFilterForm( $opts );
 455                 }
 456
 457                 wfRunHooks( 'SpecialRecentChangesPanel', array( &$extraOpts, $opts ) );
 458                 return $extraOpts;
 459         }
 460
 461         /**
 462          * Send the text to be displayed above the options
 463          *
 464          * @param $out OutputPage
 465          * @param $opts FormOptions
 466          */
 467         function setTopText( OutputPage $out, FormOptions $opts ){
 468                 $out->addWikiText( wfMsgForContentNoTrans( 'recentchangestext' ) );
 469         }
 470
 471         /**
 472          * Send the text to be displayed after the options, for use in
 473          * Recentchangeslinked
 474          *
 475          * @param $out OutputPage
 476          * @param $opts FormOptions
 477          */
 478         function setBottomText( OutputPage $out, FormOptions $opts ){}
 479
 480         /**
 481          * Creates the choose namespace selection
 482          *
 483          * @param $opts FormOptions
 484          * @return string
 485          */
 486         protected function namespaceFilterForm( FormOptions $opts ) {
 487                 $nsSelect = Xml::namespaceSelector( $opts['namespace'], '' );
 488                 $nsLabel = Xml::label( wfMsg('namespace'), 'namespace' );
 489                 $invert = Xml::checkLabel( wfMsg('invert'), 'invert', 'nsinvert', $opts['invert'] );
 490                 return array( $nsLabel, "$nsSelect $invert" );
 491         }
 492
 493         /**
 494          * Create a input to filter changes by categories
 495          *
 496          * @param $opts FormOptions
 497          * @return array
 498          */
 499         protected function categoryFilterForm( FormOptions $opts ) {
 500                 list( $label, $input ) = Xml::inputLabelSep( wfMsg('rc_categories'),
 501                         'categories', 'mw-categories', false, $opts['categories'] );
 502
 503                 $input .= ' ' . Xml::checkLabel( wfMsg('rc_categories_any'),
 504                         'categories_any', 'mw-categories_any', $opts['categories_any'] );
 505
 506                 return array( $label, $input );
 507         }
 508
 509         /**
 510          * Filter $rows by categories set in $opts
 511          *
 512          * @param $rows array of database rows
 513          * @param $opts FormOptions
 514          */
 515         function filterByCategories( &$rows, FormOptions $opts ) {
 516                 $categories = array_map( 'trim', explode( "|" , $opts['categories'] ) );
 517
 518                 if( empty($categories) ) {
 519                         return;
 520                 }
 521
 522                 # Filter categories
 523                 $cats = array();
 524                 foreach( $categories as $cat ) {
 525                         $cat = trim( $cat );
 526                         if( $cat == "" ) continue;
 527                         $cats[] = $cat;
 528                 }
 529
 530                 # Filter articles
 531                 $articles = array();
 532                 $a2r = array();
 533                 foreach( $rows AS $k => $r ) {
 534                         $nt = Title::makeTitle( $r->rc_namespace, $r->rc_title );
 535                         $id = $nt->getArticleID();
 536                         if( $id == 0 ) continue; # Page might have been deleted...
 537                         if( !in_array($id, $articles) ) {
 538                                 $articles[] = $id;
 539                         }
 540                         if( !isset($a2r[$id]) ) {
 541                                 $a2r[$id] = array();
 542                         }
 543                         $a2r[$id][] = $k;
 544                 }
 545
 546                 # Shortcut?
 547                 if( !count($articles) || !count($cats) )
 548                         return ;
 549
 550                 # Look up
 551                 $c = new Categoryfinder ;
 552                 $c->seed( $articles, $cats, $opts['categories_any'] ? "OR" : "AND" ) ;
 553                 $match = $c->run();
 554
 555                 # Filter
 556                 $newrows = array();
 557                 foreach( $match AS $id ) {
 558                         foreach( $a2r[$id] AS $rev ) {
 559                                 $k = $rev;
 560                                 $newrows[$k] = $rows[$k];
 561                         }
 562                 }
 563                 $rows = $newrows;
 564         }
 565
 566         /**
 567          * Makes change an option link which carries all the other options
 568          * @param $title see Title
 569          * @param $override
 570          * @param $options
 571          */
 572         function makeOptionsLink( $title, $override, $options, $active = false ) {
 573                 global $wgUser;
 574                 $sk = $wgUser->getSkin();
 575                 $params = $override + $options;
 576                 return $sk->link( $this->getTitle(), htmlspecialchars( $title ),
 577                         ( $active ? array( 'style'=>'font-weight: bold;' ) : array() ), $params, array( 'known' ) );
 578         }
 579
 580         /**
 581          * Creates the options panel.
 582          * @param $defaults array
 583          * @param $nondefaults array
 584          */
 585         function optionsPanel( $defaults, $nondefaults ) {
 586                 global $wgLang, $wgUser, $wgRCLinkLimits, $wgRCLinkDays;
 587
 588                 $options = $nondefaults + $defaults;
 589
 590                 $note = '';
 591                 if( $options['from'] ) {
 592                         $note .= wfMsgExt( 'rcnotefrom', array( 'parseinline' ),
 593                                 $wgLang->formatNum( $options['limit'] ),
 594                                 $wgLang->timeanddate( $options['from'], true ) ) . '<br />';
 595                 }
 596                 if( !wfEmptyMsg( 'rclegend', wfMsg('rclegend') ) ) {
 597                         $note .= wfMsgExt( 'rclegend', array('parseinline') ) . '<br />';
 598                 }
 599
 600                 # Sort data for display and make sure it's unique after we've added user data.
 601                 $wgRCLinkLimits[] = $options['limit'];
 602                 $wgRCLinkDays[] = $options['days'];
 603                 sort( $wgRCLinkLimits );
 604                 sort( $wgRCLinkDays );
 605                 $wgRCLinkLimits = array_unique( $wgRCLinkLimits );
 606                 $wgRCLinkDays = array_unique( $wgRCLinkDays );
 607
 608                 // limit links
 609                 foreach( $wgRCLinkLimits as $value ) {
 610                         $cl[] = $this->makeOptionsLink( $wgLang->formatNum( $value ),
 611                                 array( 'limit' => $value ), $nondefaults, $value == $options['limit'] ) ;
 612                 }
 613                 $cl = implode( ' | ', $cl );
 614
 615                 // day links, reset 'from' to none
 616                 foreach( $wgRCLinkDays as $value ) {
 617                         $dl[] = $this->makeOptionsLink( $wgLang->formatNum( $value ),
 618                                 array( 'days' => $value, 'from' => '' ), $nondefaults, $value == $options['days'] ) ;
 619                 }
 620                 $dl = implode( ' | ', $dl );
 621
 622
 623                 // show/hide links
 624                 $showhide = array( wfMsg( 'show' ), wfMsg( 'hide' ) );
 625                 $minorLink = $this->makeOptionsLink( $showhide[1-$options['hideminor']],
 626                         array( 'hideminor' => 1-$options['hideminor'] ), $nondefaults);
 627                 $botLink = $this->makeOptionsLink( $showhide[1-$options['hidebots']],
 628                         array( 'hidebots' => 1-$options['hidebots'] ), $nondefaults);
 629                 $anonsLink = $this->makeOptionsLink( $showhide[ 1 - $options['hideanons'] ],
 630                         array( 'hideanons' => 1 - $options['hideanons'] ), $nondefaults );
 631                 $liuLink   = $this->makeOptionsLink( $showhide[1-$options['hideliu']],
 632                         array( 'hideliu' => 1-$options['hideliu'] ), $nondefaults);
 633                 $patrLink  = $this->makeOptionsLink( $showhide[1-$options['hidepatrolled']],
 634                         array( 'hidepatrolled' => 1-$options['hidepatrolled'] ), $nondefaults);
 635                 $myselfLink = $this->makeOptionsLink( $showhide[1-$options['hidemyself']],
 636                         array( 'hidemyself' => 1-$options['hidemyself'] ), $nondefaults);
 637
 638                 $links[] = wfMsgHtml( 'rcshowhideminor', $minorLink );
 639                 $links[] = wfMsgHtml( 'rcshowhidebots', $botLink );
 640                 $links[] = wfMsgHtml( 'rcshowhideanons', $anonsLink );
 641                 $links[] = wfMsgHtml( 'rcshowhideliu', $liuLink );
 642                 if( $wgUser->useRCPatrol() )
 643                         $links[] = wfMsgHtml( 'rcshowhidepatr', $patrLink );
 644                 $links[] = wfMsgHtml( 'rcshowhidemine', $myselfLink );
 645                 $hl = implode( ' | ', $links );
 646
 647                 // show from this onward link
 648                 $now = $wgLang->timeanddate( wfTimestampNow(), true );
 649                 $tl =  $this->makeOptionsLink( $now, array( 'from' => wfTimestampNow() ), $nondefaults );
 650
 651                 $rclinks = wfMsgExt( 'rclinks', array( 'parseinline', 'replaceafter' ),
 652                         $cl, $dl, $hl );
 653                 $rclistfrom = wfMsgExt( 'rclistfrom', array( 'parseinline', 'replaceafter' ), $tl );
 654                 return "{$note}$rclinks<br />$rclistfrom";
 655         }
 656 }