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<?php
/**
* @ingroup Maintenance
* @file
*/
require( dirname( __FILE__ ) . '/Maintenance.php' );
class PurgeParserCache extends Maintenance {
var $lastProgress;
function __construct() {
parent::__construct();
$this->addDescription( "Remove old objects from the parser cache. " .
"This only works when the parser cache is in an SQL database." );
$this->addOption( 'expiredate', 'Delete objects expiring before this date.', false, true );
$this->addOption( 'age',
'Delete objects created more than this many seconds ago, assuming $wgParserCacheExpireTime '.
'has been consistent.',
false, true );
}
function execute() {
$inputDate = $this->getOption( 'expiredate' );
$inputAge = $this->getOption( 'age' );
if ( $inputDate !== null ) {
$date = wfTimestamp( TS_MW, strtotime( $inputDate ) );
} elseif ( $inputAge !== null ) {
global $wgParserCacheExpireTime;
$date = wfTimestamp( TS_MW, time() + $wgParserCacheExpireTime - intval( $inputAge ) );
} else {
echo "Must specify either --expiredate or --age\n";
exit( 1 );
}
$english = Language::factory( 'en' );
echo "Deleting objects expiring before " . $english->timeanddate( $date ) . "\n";
$pc = wfGetParserCacheStorage();
$success = $pc->deleteObjectsExpiringBefore( $date, array( $this, 'showProgress' ) );
if ( !$success ) {
echo "\nCannot purge this kind of parser cache.\n";
exit( 1 );
}
$this->showProgress( 100 );
echo "\nDone\n";
}
function showProgress( $percent ) {
$percentString = sprintf( "%.2f", $percent );
if ( $percentString === $this->lastProgress ) {
return;
}
$this->lastProgress = $percentString;
$stars = floor( $percent / 2 );
echo '[' . str_repeat( '*', $stars ), str_repeat( '.', 50 - $stars ) . '] ' .
"$percentString%\r";
}
}
$maintClass = 'PurgeParserCache';
require_once( RUN_MAINTENANCE_IF_MAIN );
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