/**
* Rewinds the iterator.
* For future iterations seeks if possible, clones otherwise.
*/
public function rewind()
{
try {
$count = count($this);
} catch (DriverException $e) {
$count = -1;
}
if ($this->row !== null && $count > 0) {
try {
$this->seek(0);
} catch (DriverException $e) {
$clone = clone $this->result;
$this->result->__destruct();
$this->result = $clone;
$this->pointer = 0;
$this->row = $this->result->fetch();
}
} else {
$this->pointer = 0;
$this->row = $this->result->fetch();
}
}