Doctrine\Common\Collections\ArrayCollection::current PHP Method

    public function current()
    {
        return current($this->elements);
    }

 /**
  * {@inheritdoc}
  */
 public function read()
 {
     $configuration = $this->getJobConfiguration();
     if (!$this->isExecuted) {
         $this->isExecuted = true;
         $this->families = $this->getFamilies($configuration['filters']);
     }
     $result = $this->families->current();
     if (!empty($result)) {
         $this->stepExecution->incrementSummaryInfo('read');
         $this->families->next();
     } else {
         $result = null;
     }
     return $result;
 }