Download the PHP package tebru/tree without Composer
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Package tree
Short Description A PHP tree data structure. Allows for referencing nodes by unique key.
License MIT
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Informations about the package tree
Tree Data Structure
This library aims to provide an object oriented way to create a tree data structure. Each node has a user defined unique id by which it is referenced.
Installing the project
Run composer require tebru/tree:1.0.*
Creating the tree
Creating a tree is really easy. All you have to do is instantiate it:
$tree = new Tree();
This will create the tree object and create a root node to act upon.
Create a node
There are many options for creating a node.
- Creating a node appended to the root node can be done like
$tree->createNode('node'); - If you want to add this node to a different node you can do so like
$tree->createNode('node2', 'node'); - You have the option to add arbitrary data to a node by doing
$tree->createNode('a_category', null, 'Foo Category'); - Finally, you can specify the position your node should appear in the parent's children like
$tree->createNode('node', null, null, 10);- You may not specify an position for an index that does not already exist
- Setting the position will bump all existing nodes back 1 space starting with the node at the specified index
Remove a node
Just pass in the node id:
$tree->removeNode('node');
This will remove that node and all of its children from the tree.
Move a node
This is also easy. Just specify the node id of the node you wish to move and the node id of its new parent:
$tree->moveNode('node', 'newNodeId');
Testing
Run tests by running phpunit from the root directory.
Versioning
This project uses semantic versioning [http://semver.org] for versioning.
