src/Tracker.php
public function tick($status = Tick::SUCCESS, $msg = null, array $extraInfo = [], $incrementBy = 1)
    {
        if ( ! $this->isRunning()) {
            $this->start();
        }

        $tick = new Tick($this, $status, $msg, $extraInfo, $incrementBy);
        // Increment the counter
        if (array_key_exists($tick->getStatus(), $this->numProcessedItems)) {
            $this->numProcessedItems[$tick->getStatus()] += $tick->getIncrementBy();
        }
        else {
            $this->numProcessedItems[$tick->getStatus()] = $tick->getIncrementBy();
        }

        $this->dispatcher->dispatch(Events::TRACKER_TICK, $tick);

        $this->lastTick = $tick;
        return $tick->getReport();
    }
public function tick($status = Tick::SUCCESS, $msg = null, array $extraInfo = [], $incrementBy = 1)
    {
        if ( ! $this->isRunning()) {
            $this->start();
        }

        $tick = new Tick($this, $status, $msg, $extraInfo, $incrementBy);
        // Increment the counter
        if (array_key_exists($tick->getStatus(), $this->numProcessedItems)) {
            $this->numProcessedItems[$tick->getStatus()] += $tick->getIncrementBy();
        }
        else {
            $this->numProcessedItems[$tick->getStatus()] = $tick->getIncrementBy();
        }

        $this->dispatcher->dispatch(Events::TRACKER_TICK, $tick);

        $this->lastTick = $tick;
        return $tick->getReport();
    }
Indicate progress to the tracker

Builds a report and send it to the tick method in the output handlers

@param int    $status SUCCESS (default), SKIP, or FAIL
@param string $msg    Message to include for this report
@param array  $extraInfo
@param int    $incrementBy
@return Report