public static function scan_for_leaves($node, $root = false, $leaves = [])
{
if (!$root) {
$root = $node;
}
if (@(!$node['tag']) && Scanner::has_only_nontagged(Tree::get_parent_from_path($root, $node['path']))) {
$leaf = Tree::get_parent_from_path($root, $node['path']);
$leaf['leaf_identified_by'] = $node['path'];
$leaves[] = $leaf;
return $leaves;
} else {
if (@(!$node['tag'])) {
return $leaves;
} else {
if (@(!!$node['children'])) {
foreach ($node['children'] as $child) {
$leaves = Scanner::scan_for_leaves($child, $root, $leaves);
}
return $leaves;
} else {
$leaf = Tree::get_node_from_path($root, $node['path']);
$leaf['leaf_identified_by'] = $node['path'];
$leaves[] = $leaf;
return $leaves;
}
}
}
}
public static function get_siblings($root, $node)
{
$path = $node['path'];
$parent = Tree::get_parent_from_path($root, $path);
$siblings = [];
foreach ($parent['children'] as $child) {
if ($child['path'] != $path) {
$siblings[] = $child;
}
}
return $siblings;
}
