/**
* Return the current element
*
* @return Message
*/
public function current()
{
if (!isset($this->batch[$this->iterationPos]) && !array_key_exists($this->iterationPos, $this->batch)) {
// initialize the batch
$this->batch = [];
if ($this->batchSize > 1) {
$ids = [];
$pos = $this->iterationPos;
$i = 0;
while ($i < $this->batchSize && $this->isValidPosition($pos)) {
$ids[$pos] = $this->getMessageId($pos);
$this->increasePosition($pos);
$i++;
}
$messages = $this->imap->getMessages(array_values($ids));
foreach ($ids as $pos => $id) {
$this->batch[$pos] = isset($messages[$id]) ? $messages[$id] : null;
}
} else {
$this->batch[$this->iterationPos] = $this->imap->getMessage($this->getMessageId($this->iterationPos));
}
if ($this->onBatchLoaded !== null) {
call_user_func($this->onBatchLoaded, $this->batch);
}
}
return $this->batch[$this->iterationPos];
}
