if ( $user->pingLimiter( 'stashedit' ) ) {
$status = 'ratelimited';
} elseif ( $wgMemc->lock( $key, 0, 30 ) ) {
+ /** @noinspection PhpUnusedLocalVariableInspection */
$unlocker = new ScopedCallback( function() use ( $key ) {
global $wgMemc;
$wgMemc->unlock( $key );