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An implementation of the ezcTreeVisitor interface that generates GraphViz/dot markup for a tree structure. [source]

1.  <?php
2.      $visitor = new ezcTreeVisitorGraphViz;
3.      $tree->accept( $visitor );
4.      echo (string) $visitor; // print the plot
5.   ?>

protected array(id=>array(ezcTreeNode))	`$edges = array()` Holds all the edges of the graph.
protected array(string=>string)	`$nodes = array()` Holds the displayed strings for each of the nodes.

public bool

visit(
$visitable )

Visits the node and sets the the member variables according to the node type and contents.

bool visit( ezcTreeVisitable $visitable )

Visits the node and sets the the member variables according to the node type and contents.

Name	Type	Description
`$visitable`	ezcTreeVisitable

Last updated: Tue, 02 Dec 2008