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                 $opts->add( 'hideminor',     (bool)$wgUser->getOption( 'hideminor' ) );
  27                 $opts->add( 'hidebots',      true  );
  28                 $opts->add( 'hideanons',     false );
  29                 $opts->add( 'hideliu',       false );
  30                 $opts->add( 'hidepatrolled', false );
  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                 $opts->fetchValuesFromRequest( $wgRequest, array( 'days', 'limit', 'hideminor' ) );
  70                 $opts->validateIntBounds( 'limit', 0, $wgFeedLimit );
  71                 return $opts;
  72         }
  73
  74         /**
  75          * Main execution point
  76          *
  77          * @param $parameters string
  78          */
  79         public function execute( $parameters ) {
  80                 global $wgRequest, $wgOut;
  81                 $feedFormat = $wgRequest->getVal( 'feed' );
  82
  83                 # 10 seconds server-side caching max
  84                 $wgOut->setSquidMaxage( 10 );
  85
  86                 $lastmod = $this->checkLastModified( $feedFormat );
  87                 if( $lastmod === false ){
  88                         return;
  89                 }
  90
  91                 $opts = $feedFormat ? $this->feedSetup() : $this->setup( $parameters );
  92                 $this->setHeaders();
  93                 $this->outputHeader();
  94
  95                 // Fetch results, prepare a batch link existence check query
  96                 $rows = array();
  97                 $batch = new LinkBatch;
  98                 $conds = $this->buildMainQueryConds( $opts );
  99                 $rows = $this->doMainQuery( $conds, $opts );
 100                 if( $rows === false ){
 101                         $this->doHeader( $opts );
 102                         return;
 103                 }
 104
 105                 foreach( $rows as $row ) {
 106                         if ( !$feedFormat ) {
 107                                 // User page and talk links
 108                                 $batch->add( NS_USER, $row->rc_user_text  );
 109                                 $batch->add( NS_USER_TALK, $row->rc_user_text  );
 110                         }
 111                 }
 112
 113                 if ( $feedFormat ) {
 114                         list( $feed, $feedObj ) = $this->getFeedObject( $feedFormat );
 115                         $feed->execute( $feedObj, $rows, $opts['limit'], $opts['hideminor'], $lastmod );
 116                 } else {
 117                         $batch->execute();
 118                         $this->webOutput( $rows, $opts );
 119                 }
 120
 121                 $rows->free();
 122         }
 123
 124         /**
 125          * Return an array with a ChangesFeed object and ChannelFeed object
 126          *
 127          * @return array
 128          */
 129         public function getFeedObject( $feedFormat ){
 130                 $feed = new ChangesFeed( $feedFormat, 'rcfeed' );
 131                 $feedObj = $feed->getFeedObject(
 132                         wfMsgForContent( 'recentchanges' ),
 133                         wfMsgForContent( 'recentchanges-feed-description' )
 134                 );
 135                 return array( $feed, $feedObj );
 136         }
 137
 138         /**
 139          * Process $par and put options found if $opts
 140          * Mainly used when including the page
 141          *
 142          * @param $par String
 143          * @param $opts FormOptions
 144          */
 145         public function parseParameters( $par, FormOptions $opts ) {
 146                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
 147                 foreach ( $bits as $bit ) {
 148                         if ( 'hidebots' === $bit ) $opts['hidebots'] = true;
 149                         if ( 'bots' === $bit ) $opts['hidebots'] = false;
 150                         if ( 'hideminor' === $bit ) $opts['hideminor'] = true;
 151                         if ( 'minor' === $bit ) $opts['hideminor'] = false;
 152                         if ( 'hideliu' === $bit ) $opts['hideliu'] = true;
 153                         if ( 'hidepatrolled' === $bit ) $opts['hidepatrolled'] = true;
 154                         if ( 'hideanons' === $bit ) $opts['hideanons'] = true;
 155                         if ( 'hidemyself' === $bit ) $opts['hidemyself'] = true;
 156
 157                         if ( is_numeric( $bit ) ) $opts['limit'] =  $bit;
 158
 159                         $m = array();
 160                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) $opts['limit'] = $m[1];
 161                         if ( preg_match( '/^days=(\d+)$/', $bit, $m ) ) $opts['days'] = $m[1];
 162                 }
 163         }
 164
 165         /**
 166          * Get last modified date, for client caching
 167          * Don't use this if we are using the patrol feature, patrol changes don't
 168          * update the timestamp
 169          *
 170          * @param $feedFormat String
 171          * @return int or false
 172          */
 173         public function checkLastModified( $feedFormat ) {
 174                 global $wgUseRCPatrol, $wgOut;
 175                 $dbr = wfGetDB( DB_SLAVE );
 176                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, __FUNCTION__ );
 177                 if ( $feedFormat || !$wgUseRCPatrol ) {
 178                         if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){
 179                                 # Client cache fresh and headers sent, nothing more to do.
 180                                 return false;
 181                         }
 182                 }
 183                 return $lastmod;
 184         }
 185
 186         /**
 187          * Return an array of conditions depending of options set in $opts
 188          *
 189          * @param $opts FormOptions
 190          * @return array
 191          */
 192         public function buildMainQueryConds( FormOptions $opts ) {
 193                 global $wgUser;
 194
 195                 $dbr = wfGetDB( DB_SLAVE );
 196                 $conds = array();
 197
 198                 # It makes no sense to hide both anons and logged-in users
 199                 # Where this occurs, force anons to be shown
 200                 $forcebot = false;
 201                 if( $opts['hideanons'] && $opts['hideliu'] ){
 202                         # Check if the user wants to show bots only
 203                         if( $opts['hidebots'] ){
 204                                 $opts['hideanons'] = false;
 205                         } else {
 206                                 $forcebot = true;
 207                                 $opts['hidebots'] = false;
 208                         }
 209                 }
 210
 211                 // Calculate cutoff
 212                 $cutoff_unixtime = time() - ( $opts['days'] * 86400 );
 213                 $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
 214                 $cutoff = $dbr->timestamp( $cutoff_unixtime );
 215
 216                 $fromValid = preg_match('/^[0-9]{14}$/', $opts['from']);
 217                 if( $fromValid && $opts['from'] > wfTimestamp(TS_MW,$cutoff) ) {
 218                         $cutoff = $dbr->timestamp($opts['from']);
 219                 } else {
 220                         $opts->reset( 'from' );
 221                 }
 222
 223                 $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes( $cutoff );
 224
 225
 226                 $hidePatrol = $wgUser->useRCPatrol() && $opts['hidepatrolled'];
 227                 $hideLoggedInUsers = $opts['hideliu'] && !$forcebot;
 228                 $hideAnonymousUsers = $opts['hideanons'] && !$forcebot;
 229
 230                 if ( $opts['hideminor'] )  $conds['rc_minor'] = 0;
 231                 if ( $opts['hidebots'] )   $conds['rc_bot'] = 0;
 232                 if ( $hidePatrol )         $conds['rc_patrolled'] = 0;
 233                 if ( $forcebot )           $conds['rc_bot'] = 1;
 234                 if ( $hideLoggedInUsers )  $conds[] = 'rc_user = 0';
 235                 if ( $hideAnonymousUsers ) $conds[] = 'rc_user != 0';
 236
 237                 if( $opts['hidemyself'] ) {
 238                         if( $wgUser->getId() ) {
 239                                 $conds[] = 'rc_user != ' . $dbr->addQuotes( $wgUser->getId() );
 240                         } else {
 241                                 $conds[] = 'rc_user_text != ' . $dbr->addQuotes( $wgUser->getName() );
 242                         }
 243                 }
 244
 245                 # Namespace filtering
 246                 if ( $opts['namespace'] !== '' ) {
 247                         if ( !$opts['invert'] ) {
 248                                 $conds[] = 'rc_namespace = ' . $dbr->addQuotes( $opts['namespace'] );
 249                         } else {
 250                                 $conds[] = 'rc_namespace != ' . $dbr->addQuotes( $opts['namespace'] );
 251                         }
 252                 }
 253
 254                 return $conds;
 255         }
 256
 257         /**
 258          * Process the query
 259          *
 260          * @param $conds array
 261          * @param $opts FormOptions
 262          * @return database result or false (for Recentchangeslinked only)
 263          */
 264         public function doMainQuery( $conds, $opts ) {
 265                 global $wgUser;
 266
 267                 $tables = array( 'recentchanges' );
 268                 $join_conds = array();
 269
 270                 $uid = $wgUser->getId();
 271                 $dbr = wfGetDB( DB_SLAVE );
 272                 $limit = $opts['limit'];
 273                 $namespace = $opts['namespace'];
 274                 $invert = $opts['invert'];
 275
 276                 // JOIN on watchlist for users
 277                 if( $uid ) {
 278                         $tables[] = 'watchlist';
 279                         $join_conds = array( 'watchlist' => array('LEFT JOIN',"wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace") );
 280                 }
 281
 282                 wfRunHooks('SpecialRecentChangesQuery', array( &$conds, &$tables, &$join_conds, $opts ) );
 283
 284                 // Is there either one namespace selected or excluded?
 285                 // Also, if this is "all" or main namespace, just use timestamp index.
 286                 if( is_null($namespace) || $invert || $namespace == NS_MAIN ) {
 287                         $res = $dbr->select( $tables, '*', $conds, __METHOD__,
 288                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 289                                         'USE INDEX' => array('recentchanges' => 'rc_timestamp') ),
 290                                 $join_conds );
 291                 // We have a new_namespace_time index! UNION over new=(0,1) and sort result set!
 292                 } else {
 293                         // New pages
 294                         $sqlNew = $dbr->selectSQLText( $tables, '*',
 295                                 array( 'rc_new' => 1 ) + $conds,
 296                                 __METHOD__,
 297                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 298                                         'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
 299                                 $join_conds );
 300                         // Old pages
 301                         $sqlOld = $dbr->selectSQLText( $tables, '*',
 302                                 array( 'rc_new' => 0 ) + $conds,
 303                                 __METHOD__,
 304                                 array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
 305                                         'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
 306                                 $join_conds );
 307                         # Join the two fast queries, and sort the result set
 308                         $sql = "($sqlNew) UNION ($sqlOld) ORDER BY rc_timestamp DESC LIMIT $limit";
 309                         $res = $dbr->query( $sql, __METHOD__ );
 310                 }
 311
 312                 return $res;
 313         }
 314
 315         /**
 316          * Send output to $wgOut, only called if not used feeds
 317          *
 318          * @param $rows array of database rows
 319          * @param $opts FormOptions
 320          */
 321         public function webOutput( $rows, $opts ) {
 322                 global $wgOut, $wgUser, $wgRCShowWatchingUsers, $wgShowUpdatedMarker;
 323                 global $wgAllowCategorizedRecentChanges;
 324
 325                 $limit = $opts['limit'];
 326
 327                 if ( !$this->including() ) {
 328                         // Output options box
 329                         $this->doHeader( $opts );
 330                 }
 331
 332                 // And now for the content
 333                 $wgOut->setSyndicated( true );
 334
 335                 $list = ChangesList::newFromUser( $wgUser );
 336
 337                 if ( $wgAllowCategorizedRecentChanges ) {
 338                         $this->filterByCategories( $rows, $opts );
 339                 }
 340
 341                 $s = $list->beginRecentChangesList();
 342                 $counter = 1;
 343
 344                 $showWatcherCount = $wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' );
 345                 $watcherCache = array();
 346
 347                 $dbr = wfGetDB( DB_SLAVE );
 348
 349                 foreach( $rows as $obj ){
 350                         if( $limit == 0) {
 351                                 break;
 352                         }
 353
 354                         if ( ! ( $opts['hideminor']     && $obj->rc_minor     ) &&
 355                              ! ( $opts['hidepatrolled'] && $obj->rc_patrolled ) ) {
 356                                 $rc = RecentChange::newFromRow( $obj );
 357                                 $rc->counter = $counter++;
 358
 359                                 if ($wgShowUpdatedMarker
 360                                         && !empty( $obj->wl_notificationtimestamp )
 361                                         && ($obj->rc_timestamp >= $obj->wl_notificationtimestamp)) {
 362                                                 $rc->notificationtimestamp = true;
 363                                 } else {
 364                                         $rc->notificationtimestamp = false;
 365                                 }
 366
 367                                 $rc->numberofWatchingusers = 0; // Default
 368                                 if ($showWatcherCount && $obj->rc_namespace >= 0) {
 369                                         if (!isset($watcherCache[$obj->rc_namespace][$obj->rc_title])) {
 370                                                 $watcherCache[$obj->rc_namespace][$obj->rc_title] =
 371                                                         $dbr->selectField( 'watchlist',
 372                                                                 'COUNT(*)',
 373                                                                 array(
 374                                                                         'wl_namespace' => $obj->rc_namespace,
 375                                                                         'wl_title' => $obj->rc_title,
 376                                                                 ),
 377                                                                 __METHOD__ . '-watchers' );
 378                                         }
 379                                         $rc->numberofWatchingusers = $watcherCache[$obj->rc_namespace][$obj->rc_title];
 380                                 }
 381                                 $s .= $list->recentChangesLine( $rc, !empty( $obj->wl_user ) );
 382                                 --$limit;
 383                         }
 384                 }
 385                 $s .= $list->endRecentChangesList();
 386                 $wgOut->addHTML( $s );
 387         }
 388
 389         /**
 390          * Return the text to be displayed above the changes
 391          *
 392          * @param $opts FormOptions
 393          * @return String: XHTML
 394          */
 395         public function doHeader( $opts ) {
 396                 global $wgScript, $wgOut;
 397
 398                 $this->setTopText( $wgOut, $opts );
 399
 400                 $defaults = $opts->getAllValues();
 401                 $nondefaults = $opts->getChangedValues();
 402                 $opts->consumeValues( array( 'namespace', 'invert' ) );
 403
 404                 $panel = array();
 405                 $panel[] = $this->optionsPanel( $defaults, $nondefaults );
 406                 $panel[] = '<hr />';
 407
 408                 $extraOpts = $this->getExtraOptions( $opts );
 409                 $extraOptsCount = count( $extraOpts );
 410                 $count = 0;
 411                 $submit = ' ' . Xml::submitbutton( wfMsg( 'allpagessubmit' ) );
 412
 413                 $out = Xml::openElement( 'table', array( 'class' => 'mw-recentchanges-table' ) );
 414                 foreach ( $extraOpts as $optionRow ) {
 415                         # Add submit button to the last row only
 416                         ++$count;
 417                         $addSubmit = $count === $extraOptsCount ? $submit : '';
 418
 419                         $out .= Xml::openElement( 'tr' );
 420                         if ( is_array( $optionRow ) ) {
 421                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-label' ), $optionRow[0] );
 422                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-input' ), $optionRow[1] . $addSubmit );
 423                         } else {
 424                                 $out .= Xml::tags( 'td', array( 'class' => 'mw-input', 'colspan' => 2 ), $optionRow . $addSubmit );
 425                         }
 426                         $out .= Xml::closeElement( 'tr' );
 427                 }
 428                 $out .= Xml::closeElement( 'table' );
 429
 430                 $unconsumed = $opts->getUnconsumedValues();
 431                 foreach ( $unconsumed as $key => $value ) {
 432                         $out .= Xml::hidden( $key, $value );
 433                 }
 434
 435                 $t = $this->getTitle();
 436                 $out .= Xml::hidden( 'title', $t->getPrefixedText() );
 437                 $form = Xml::tags( 'form', array( 'action' => $wgScript ), $out );
 438                 $panel[] = $form;
 439                 $panelString = implode( "\n", $panel );
 440
 441                 $wgOut->addHTML(
 442                         Xml::fieldset( wfMsg( 'recentchanges-legend' ), $panelString, array( 'class' => 'rcoptions' ) )
 443                 );
 444
 445                 $this->setBottomText( $wgOut, $opts );
 446         }
 447
 448         /**
 449          * Get options to be displayed in a form
 450          *
 451          * @param $opts FormOptions
 452          * @return array
 453          */
 454         function getExtraOptions( $opts ){
 455                 $extraOpts = array();
 456                 $extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
 457
 458                 global $wgAllowCategorizedRecentChanges;
 459                 if ( $wgAllowCategorizedRecentChanges ) {
 460                         $extraOpts['category'] = $this->categoryFilterForm( $opts );
 461                 }
 462
 463                 wfRunHooks( 'SpecialRecentChangesPanel', array( &$extraOpts, $opts ) );
 464                 return $extraOpts;
 465         }
 466
 467         /**
 468          * Send the text to be displayed above the options
 469          *
 470          * @param $out OutputPage
 471          * @param $opts FormOptions
 472          */
 473         function setTopText( OutputPage $out, FormOptions $opts ){
 474                 $out->addWikiText( wfMsgForContentNoTrans( 'recentchangestext' ) );
 475         }
 476
 477         /**
 478          * Send the text to be displayed after the options, for use in
 479          * Recentchangeslinked
 480          *
 481          * @param $out OutputPage
 482          * @param $opts FormOptions
 483          */
 484         function setBottomText( OutputPage $out, FormOptions $opts ){}
 485
 486         /**
 487          * Creates the choose namespace selection
 488          *
 489          * @param $opts FormOptions
 490          * @return string
 491          */
 492         protected function namespaceFilterForm( FormOptions $opts ) {
 493                 $nsSelect = HTMLnamespaceselector( $opts['namespace'], '' );
 494                 $nsLabel = Xml::label( wfMsg('namespace'), 'namespace' );
 495                 $invert = Xml::checkLabel( wfMsg('invert'), 'invert', 'nsinvert', $opts['invert'] );
 496                 return array( $nsLabel, "$nsSelect $invert" );
 497         }
 498
 499         /**
 500          * Create a input to filter changes by categories
 501          *
 502          * @param $opts FormOptions
 503          * @return array
 504          */
 505         protected function categoryFilterForm( FormOptions $opts ) {
 506                 list( $label, $input ) = Xml::inputLabelSep( wfMsg('rc_categories'),
 507                         'categories', 'mw-categories', false, $opts['categories'] );
 508
 509                 $input .= ' ' . Xml::checkLabel( wfMsg('rc_categories_any'),
 510                         'categories_any', 'mw-categories_any', $opts['categories_any'] );
 511
 512                 return array( $label, $input );
 513         }
 514
 515         /**
 516          * Filter $rows by categories set in $opts
 517          *
 518          * @param $rows array of database rows
 519          * @param $opts FormOptions
 520          */
 521         function filterByCategories( &$rows, FormOptions $opts ) {
 522                 $categories = array_map( 'trim', explode( "|" , $opts['categories'] ) );
 523
 524                 if( empty($categories) ) {
 525                         return;
 526                 }
 527
 528                 # Filter categories
 529                 $cats = array();
 530                 foreach ( $categories as $cat ) {
 531                         $cat = trim( $cat );
 532                         if ( $cat == "" ) continue;
 533                         $cats[] = $cat;
 534                 }
 535
 536                 # Filter articles
 537                 $articles = array();
 538                 $a2r = array();
 539                 foreach ( $rows AS $k => $r ) {
 540                         $nt = Title::makeTitle( $r->rc_namespace, $r->rc_title );
 541                         $id = $nt->getArticleID();
 542                         if ( $id == 0 ) continue; # Page might have been deleted...
 543                         if ( !in_array($id, $articles) ) {
 544                                 $articles[] = $id;
 545                         }
 546                         if ( !isset($a2r[$id]) ) {
 547                                 $a2r[$id] = array();
 548                         }
 549                         $a2r[$id][] = $k;
 550                 }
 551
 552                 # Shortcut?
 553                 if ( !count($articles) || !count($cats) )
 554                         return ;
 555
 556                 # Look up
 557                 $c = new Categoryfinder ;
 558                 $c->seed( $articles, $cats, $opts['categories_any'] ? "OR" : "AND" ) ;
 559                 $match = $c->run();
 560
 561                 # Filter
 562                 $newrows = array();
 563                 foreach ( $match AS $id ) {
 564                         foreach ( $a2r[$id] AS $rev ) {
 565                                 $k = $rev;
 566                                 $newrows[$k] = $rows[$k];
 567                         }
 568                 }
 569                 $rows = $newrows;
 570         }
 571
 572         /**
 573          * Makes change an option link which carries all the other options
 574          * @param $title see Title
 575          * @param $override
 576          * @param $options
 577          */
 578         function makeOptionsLink( $title, $override, $options, $active = false ) {
 579                 global $wgUser;
 580                 $sk = $wgUser->getSkin();
 581                 $params = wfArrayMerge( $options, $override );
 582                 return $sk->link( $this->getTitle(), htmlspecialchars( $title ),
 583                         ( $active ? array( 'style'=>'font-weight: bold;' ) : array() ), $params, array( 'known' ) );
 584         }
 585
 586         /**
 587          * Creates the options panel.
 588          * @param $defaults array
 589          * @param $nondefaults array
 590          */
 591         function optionsPanel( $defaults, $nondefaults ) {
 592                 global $wgLang, $wgUser, $wgRCLinkLimits, $wgRCLinkDays;
 593
 594                 $options = $nondefaults + $defaults;
 595
 596                 if( $options['from'] )
 597                         $note = wfMsgExt( 'rcnotefrom', array( 'parseinline' ),
 598                                 $wgLang->formatNum( $options['limit'] ),
 599                                 $wgLang->timeanddate( $options['from'], true ) );
 600                 else
 601                         $note = wfMsgExt( 'rcnote', array( 'parseinline' ),
 602                                 $wgLang->formatNum( $options['limit'] ),
 603                                 $wgLang->formatNum( $options['days'] ),
 604                                 $wgLang->timeAndDate( wfTimestampNow(), true ),
 605                                 $wgLang->date( wfTimestampNow(), true ),
 606                                 $wgLang->time( wfTimestampNow(), true ) );
 607
 608                 # Sort data for display and make sure it's unique after we've added user data.
 609                 $wgRCLinkLimits[] = $options['limit'];
 610                 $wgRCLinkDays[] = $options['days'];
 611                 sort( $wgRCLinkLimits );
 612                 sort( $wgRCLinkDays );
 613                 $wgRCLinkLimits = array_unique( $wgRCLinkLimits );
 614                 $wgRCLinkDays = array_unique( $wgRCLinkDays );
 615
 616                 // limit links
 617                 foreach( $wgRCLinkLimits as $value ) {
 618                         $cl[] = $this->makeOptionsLink( $wgLang->formatNum( $value ),
 619                                 array( 'limit' => $value ), $nondefaults, $value == $options['limit'] ) ;
 620                 }
 621                 $cl = implode( ' | ', $cl );
 622
 623                 // day links, reset 'from' to none
 624                 foreach( $wgRCLinkDays as $value ) {
 625                         $dl[] = $this->makeOptionsLink( $wgLang->formatNum( $value ),
 626                                 array( 'days' => $value, 'from' => '' ), $nondefaults, $value == $options['days'] ) ;
 627                 }
 628                 $dl = implode( ' | ', $dl );
 629
 630
 631                 // show/hide links
 632                 $showhide = array( wfMsg( 'show' ), wfMsg( 'hide' ) );
 633                 $minorLink = $this->makeOptionsLink( $showhide[1-$options['hideminor']],
 634                         array( 'hideminor' => 1-$options['hideminor'] ), $nondefaults);
 635                 $botLink = $this->makeOptionsLink( $showhide[1-$options['hidebots']],
 636                         array( 'hidebots' => 1-$options['hidebots'] ), $nondefaults);
 637                 $anonsLink = $this->makeOptionsLink( $showhide[ 1 - $options['hideanons'] ],
 638                         array( 'hideanons' => 1 - $options['hideanons'] ), $nondefaults );
 639                 $liuLink   = $this->makeOptionsLink( $showhide[1-$options['hideliu']],
 640                         array( 'hideliu' => 1-$options['hideliu'] ), $nondefaults);
 641                 $patrLink  = $this->makeOptionsLink( $showhide[1-$options['hidepatrolled']],
 642                         array( 'hidepatrolled' => 1-$options['hidepatrolled'] ), $nondefaults);
 643                 $myselfLink = $this->makeOptionsLink( $showhide[1-$options['hidemyself']],
 644                         array( 'hidemyself' => 1-$options['hidemyself'] ), $nondefaults);
 645
 646                 $links[] = wfMsgHtml( 'rcshowhideminor', $minorLink );
 647                 $links[] = wfMsgHtml( 'rcshowhidebots', $botLink );
 648                 $links[] = wfMsgHtml( 'rcshowhideanons', $anonsLink );
 649                 $links[] = wfMsgHtml( 'rcshowhideliu', $liuLink );
 650                 if( $wgUser->useRCPatrol() )
 651                         $links[] = wfMsgHtml( 'rcshowhidepatr', $patrLink );
 652                 $links[] = wfMsgHtml( 'rcshowhidemine', $myselfLink );
 653                 $hl = implode( ' | ', $links );
 654
 655                 // show from this onward link
 656                 $now = $wgLang->timeanddate( wfTimestampNow(), true );
 657                 $tl =  $this->makeOptionsLink( $now, array( 'from' => wfTimestampNow() ), $nondefaults );
 658
 659                 $rclinks = wfMsgExt( 'rclinks', array( 'parseinline', 'replaceafter' ),
 660                         $cl, $dl, $hl );
 661                 $rclistfrom = wfMsgExt( 'rclistfrom', array( 'parseinline', 'replaceafter' ), $tl );
 662                 return "$note<br />$rclinks<br />$rclistfrom";
 663         }
 664 }