/**
* Destroy all circular references. It helps PHP 5.2 a lot!
*/
public function destroy()
{
// Before reseting anything, call destroy recursively
foreach ($this->children as $child) {
$child->destroy();
}
foreach ($this->final_elements as $element) {
$element->destroy();
}
if ($this->optigroup) {
$this->optigroup->destroy();
}
// Everything has been destroyed recursively, now we can reset safely
$this->children = array();
$this->final_elements = array();
$this->optigroup = null;
// Delegate to parent to destroy other bits
parent::destroy();
}
