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<?php
// php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0 --report 10
$optionsWithArgs = array( 'until', 'sleep', 'report' );
require_once 'commandLine.inc';
class DeleteImageCache {
var $until, $sleep, $report;
function DeleteImageCache( $until, $sleep, $report ) {
$this->until = $until;
$this->sleep = $sleep;
$this->report = $report;
}
function main() {
global $wgMemc;
$fname = 'DeleteImageCache::main';
ini_set( 'display_errors', false );
$dbr =& wfGetDB( DB_SLAVE );
$res = $dbr->select( 'image',
array( 'img_name' ),
array( "img_timestamp < {$this->until}" ),
$fname
);
$i = 0;
$total = $this->getImageCount();
while ( $row = $dbr->fetchObject( $res ) ) {
if ($i % $this->report == 0)
printf("%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ));
$md5 = md5( $row->img_name );
$wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
if ($this->sleep != 0)
usleep( $this->sleep );
++$i;
}
}
function getImageCount() {
$fname = 'DeleteImageCache::getImageCount';
$dbr =& wfGetDB( DB_SLAVE );
return $dbr->selectField( 'image', 'COUNT(*)', array(), $fname );
}
}
$until = preg_replace( "/[^\d]/", '', $options['until'] );
$sleep = (int)$options['sleep'] * 1000; // milliseconds
$report = (int)$options['report'];
$dic = new DeleteImageCache( $until, $sleep, $report );
$dic->main();
?>
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