maintenance/purgeParserCache.php

   1 <?php
   2
   3 require( dirname( __FILE__ ) . '/Maintenance.php' );
   4
   5 class PurgeParserCache extends Maintenance {
   6         function __construct() {
   7                 parent::__construct();
   8                 $this->addDescription( "Remove old objects from the parser cache. " .
   9                         "This only works when the parser cache is in an SQL database." );
  10                 $this->addOption( 'expiredate', 'Delete objects expiring before this date.', false, true );
  11                 $this->addOption( 'age',
  12                         'Delete objects created more than this many seconds ago, assuming $wgParserCacheExpireTime '.
  13                                 'has been consistent.',
  14                         false, true );
  15         }
  16
  17         function execute() {
  18                 $inputDate = $this->getOption( 'expiredate' );
  19                 $inputAge = $this->getOption( 'age' );
  20                 if ( $inputDate !== null ) {
  21                         $date = wfTimestamp( TS_MW, strtotime( $inputDate ) );
  22                 } elseif ( $inputAge !== null ) {
  23                         global $wgParserCacheExpireTime;
  24                         $date = wfTimestamp( TS_MW, time() + $wgParserCacheExpireTime - intval( $inputAge ) );
  25                 } else {
  26                         echo "Must specify either --expiredate or --age\n";
  27                         exit( 1 );
  28                 }
  29
  30                 $english = Language::factory( 'en' );
  31                 echo "Deleting objects expiring before " . $english->timeanddate( $date ) . "\n";
  32
  33                 $pc = wfGetParserCacheStorage();
  34                 $success = $pc->deleteObjectsExpiringBefore( $date );
  35                 if ( !$success ) {
  36                         echo "Cannot purge this kind of parser cache.\n";
  37                         exit( 1 );
  38                 }
  39                 echo "Done\n";
  40         }
  41 }
  42 $maintClass = 'PurgeParserCache';
  43 require_once( RUN_MAINTENANCE_IF_MAIN );