protected function doCopyTest($treeFrom, $treeTo)
{
ezcTree::copy($treeFrom, $treeTo);
self::assertSame(35, $treeFrom->getChildCountRecursive('Hominoidea'));
self::assertSame(35, $treeTo->getChildCountRecursive('Hominoidea'));
$pathFrom = $treeFrom->fetchPath('H**o Superior');
$pathTo = $treeTo->fetchPath('H**o Superior');
self::assertEquals(5, $pathFrom->size);
self::assertEquals(5, $pathTo->size);
self::assertSame(array_keys($pathFrom->nodes), array_keys($pathTo->nodes));
$node = $treeFrom->fetchNodeById('Müller\'s Bornean Gibbon');
self::assertSame("Müller's Bornean Gibbon", $node->data);
$node = $treeTo->fetchNodeById('Müller\'s Bornean Gibbon');
self::assertSame("Müller's Bornean Gibbon", $node->data);
}
<?php
require_once 'tutorial_autoload.php';
$store = new ezcTreeXmlInternalDataStore();
$tree = new ezcTreeXml('files/example1.xml', $store);
$memTree = ezcTreeMemory::create(new ezcTreeMemoryDataStore());
ezcTree::copy($tree, $memTree);
echo $memTree->getChildCountRecursive('Elements'), "\n";
/**
* Copies the tree in $from to the empty tree in $to.
*
* This method copies all the nodes, including associated data from the
* used data store, from the tree $from to the tree $to. Because this
* function uses internally setRootNode() the target tree will be cleared
* out automatically. The method will not check whether the $from and $to
* trees share the same database table or data store, so make sure they are
* different to prevent unexpected behavior.
*
* @param ezcTree $from
* @param ezcTree $to
*/
public static function copy(ezcTree $from, ezcTree $to)
{
$fromRootNode = $from->getRootNode();
$to->setRootNode(new ezcTreeNode($to, $fromRootNode->id, $fromRootNode->data));
$toRootNode = $to->getRootNode();
self::copyChildren($from, $to, $fromRootNode, $toRootNode);
}
/**
* Returns true if the property $name is set, otherwise false.
*
* @param string $name
* @return bool
* @ignore
*/
public function __isset($name)
{
switch ($name) {
case 'prefix':
return isset($this->properties[$name]);
default:
return parent::__isset($name);
}
}
