public function Graph::__construct in Zircon Profile 8

Same name and namespace in other branches

8.0 core/lib/Drupal/Component/Graph/Graph.php \Drupal\Component\Graph\Graph::__construct()

Instantiates the depth first search object.

Parameters

$graph: A three dimensional associated array, with the first keys being the names of the vertices, these can be strings or numbers. The second key is 'edges' and the third one are again vertices, each such key representing an edge. Values of array elements are copied over.

Example:

$graph[1]['edges'][2] = 1;
$graph[2]['edges'][3] = 1;
$graph[2]['edges'][4] = 1;
$graph[3]['edges'][4] = 1;

On return you will also have:

$graph[1]['paths'][2] = 1;
$graph[1]['paths'][3] = 1;
$graph[2]['reverse_paths'][1] = 1;
$graph[3]['reverse_paths'][1] = 1;

File

core/lib/Drupal/Component/Graph/Graph.php, line 45: Contains \Drupal\Component\Graph\Graph.

Class

Graph: Directed acyclic graph manipulation.

Namespace

Drupal\Component\Graph

Code

public function __construct($graph) {
  $this->graph = $graph;
}

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