/**
* Make a deep clone of a fieldset
*
* @return void
*/
public function __clone()
{
$items = $this->iterator->toArray(PriorityList::EXTR_BOTH);
$this->elements = array();
$this->fieldsets = array();
$this->iterator = new PriorityList();
$this->iterator->isLIFO(false);
foreach ($items as $name => $item) {
$elementOrFieldset = clone $item['data'];
$this->iterator->insert($name, $elementOrFieldset, $item['priority']);
if ($elementOrFieldset instanceof FieldsetInterface) {
$this->fieldsets[$name] = $elementOrFieldset;
} elseif ($elementOrFieldset instanceof ElementInterface) {
$this->elements[$name] = $elementOrFieldset;
}
}
$this->iterator->rewind();
// Also make a deep copy of the object in case it's used within a collection
if (is_object($this->object)) {
$this->object = clone $this->object;
}
}
