/**
* Undo replacement done in processPlaceholder(). This method
* is called in postproc() so the parsed syntax tree can be
* reused next time for the same query with different args.
* @return boolean
* @throws epExceptionQueryBuilder
*/
protected function undoPlaceholder(epQueryNode &$node)
{
// any child? done if not
if (!($children = $node->getChildren())) {
return true;
}
// check if any child is a replacement
$status = true;
foreach ($children as $key => $child) {
// check if this node has been processed
if (!($replaced = $child->getParam('replaced'))) {
continue;
}
// undo replacement
$status &= $node->replaceChild($key, $replaced);
}
return $status;
}
