/**
* Make sure that the method used to generate a GRAPHVIW representation if the tree works as expected.
*/
public function testToDot()
{
$path = __DIR__ . DIRECTORY_SEPARATOR . "testToDot.dot";
$dot = $this->__treeByData->toDot();
$fd = fopen($path, "w");
fwrite($fd, $dot);
fclose($fd);
$this->assertFileExists($path);
}
<?php
/**
* this example shows how to create a tree using the tree builder. It creates an instance of class \dbeurive\Tree\Tree.
*/
include __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
use dbeurive\Tree\Tree;
$tree = new Tree("getRoot");
$tree->getRoot()->addChild("A")->end()->addChild("B")->end()->addChild("C")->addChild("D")->addChild("E")->addChild("EE")->end()->addChild("EEE")->end()->end()->addChild("F")->end()->end()->addChild("A")->addChild('H')->addChild("I")->addChild("J")->addChild("K")->end()->addChild("L")->end()->end()->end()->end()->end()->end();
// Generate the DOT representation, so we can verify that the tree is OK.
$dot = $tree->toDot();
$fd = fopen(__DIR__ . DIRECTORY_SEPARATOR . "treeBuilder.dot", "w");
fwrite($fd, $dot);
fclose($fd);
print "To create a graphical representation of the tree, install GRAPHVIZ and run the following command:\n";
print "dot -Tgif -Ograph treeBuilder.dot\n";
<?php
/**
* This example shows how to produce a "GRAPHVIZ" representation of a tree.
*/
include __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
use dbeurive\Tree\Tree;
$tree = new Tree("getRoot");
$tree->getRoot()->addChild("A")->end()->addChild("B")->end()->addChild("C")->addChild("D")->addChild("E")->addChild("EE")->end()->addChild("EEE")->end()->end()->addChild("F")->end()->end()->addChild("A")->addChild('H')->addChild("I")->addChild("J")->addChild("K")->end()->addChild("L")->end()->end()->end()->end()->end()->end();
/**
* @var callable Function that convert a node's data into a printable string.
* @param mixed $data The node's data.
* @return string The function returns a string that represents the node's data.
*/
$optionalToString = function ($data) {
return $data;
};
$dot = $tree->toDot($optionalToString);
$fd = fopen(__DIR__ . DIRECTORY_SEPARATOR . "tree2dot.dot", "w");
fwrite($fd, $dot);
fclose($fd);
print "To create a graphical representation of the tree, install GRAPHVIZ and run the following command:\n";
print "dot -Tgif -Ograph tree2dot.dot\n";
