/**
* Executes the pop logic.
*
* @param NodeInterface $node The node to pop data from.
* @return mixed
*/
protected function executePop(NodeInterface $node)
{
$arrayValue = $node->getValue();
$poppedValue = array_pop($arrayValue);
$node->setValue($arrayValue);
return $poppedValue;
}
/**
* Executes the push logic.
*
* @param NodeInterface $node The node to push data to.
* @param mixed $value The value to push.
*/
protected function executePush(NodeInterface $node, $value)
{
$arrayValue = $node->getValue();
$arrayValue[] = $value;
$node->setValue($arrayValue);
}