| public inDegreeOf ( object $vertex ) : integer | ||
| $vertex | object | The vertex for which to retrieve in-degree information. |
| return | integer | |
public function inDegreeOf($vertex); public function process(Vertex $vertex, Digraph $graph)
{
if ($graph->inDegreeOf($vertex) === 0 && !$vertex instanceof Vertex\Function_) {
Helper::remove($vertex, $graph);
return true;
}
return false;
}
