$pending = $queue->getSize();
$claimed = $queue->getAcquiredCount();
$abandoned = $queue->getAbandonedCount();
- $active = ( $claimed - $abandoned );
+ $active = max( 0, $claimed - $abandoned );
if ( ( $pending + $claimed ) > 0 ) {
$this->output(
"{$type}: $pending queued; " .