The Structures_Graph_Manipulator_TopologicalSorter is a manipulator which is able to return the set of nodes in a graph, sorted by topological order.
A graph may only be sorted topologically iff it's a DAG. You can test it with the Structures_Graph_Manipulator_AcyclicTest.
Located in /Structures/Graph/Manipulator/TopologicalSorter.php (line 58)
Documentation generated on Fri, 30 Jan 2004 16:37:29 +0000 by phpDocumentor 1.2.3