vakata / phptree
A collection of PHP classes for storing a tree in a relational database
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Requires
- vakata/database: ^4.0|^5.0
Requires (Dev)
- phpunit/phpunit: 4.*
README
Storing trees in a relational database. Keep in mind the tree needs to have a single root, so it is probably safe to begin with this structure (this example is mySQL, but it should be clear):
CREATE TABLE struct ( id int(10) unsigned NOT NULL AUTO_INCREMENT, lft int(10) unsigned NOT NULL, rgt int(10) unsigned NOT NULL, lvl int(10) unsigned NOT NULL, pid int(10) unsigned NOT NULL, pos int(10) unsigned NOT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO struct VALUES (1, 1, 2, 0, 0, 0); # now you can use 1 as your tree root
Install
Via Composer
$ composer require vakata/phptree
Usage
// create an instance $dbc = new \vakata\database\DB("mysqli://root@127.0.0.1/treedb"); $tree = new \vakata\phptree\Tree( $dbc, 'tree_table', [ 'id' => 'id', 'parent' => 'pid', 'position' => 'pos', 'level' => 'lvl', 'left' => 'lft', 'right' => 'rgt' ] ); // WORKING WITH NODES $tree->getRoot()->getChildren(); // get all children of the root $tree->getRoot()->addChild(new \vakata\phptree\Node(['key' => 'val1'])); // create a node $tree->getRoot()->addChild(new \vakata\phptree\Node(['key' => 'val2'])); // create a node $tree->save(); $tree->getNode(2)->moveTo($tree->getRoot(), 2); $tree->getNode(3)->copyTo($tree->getRoot()); $tree->getNode(3)->remove();
Read more in the API docs
Testing
$ composer test
Contributing
Please see CONTRIBUTING for details.
Security
If you discover any security related issues, please email github@vakata.com instead of using the issue tracker.
Credits
License
The MIT License (MIT). Please see License File for more information.