/**
* Set Child Element
*
* @param mixed child element (object) or text node (string)
* @param string Whether to position the new child before or after existing children
* @return object Returns the current element (object) to allow method chaining
**/
public function setChild($element, $position = 'bottom')
{
// you can't nest non-Option
if (!$element instanceof Option) {
throw new InvalidArgumentException('You cannot set anything other than Option as the child of Select.');
}
parent::setChild($element, $position);
// overwrite default value with value from POST array
if (!empty($_POST) && isset($_POST[$this->getAttribute('name')])) {
$this->setValue($_POST[$this->getAttribute('name')]);
}
return $this;
}
