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Informations about the package yii2-nested-intervals

Yii2 Nested Intervals Behavior

Implementation of nested intervals algorithm for storing the trees in DB tables.

Packagist Version Code Coverage Build Status Total Downloads

Install

Install via Composer:

or add

to the require section of your composer.json file.

Migrations example

Single tree migration:

Multiple tree migration:

Configuring

Optional you can setup Query for finding roots:

Query class:

Options

Usage

Selection

Getting the root nodes

If you connect NestedIntervalsQueryTrait, you can get all the root nodes:

Getting ancestors of a node

To get ancestors of a node:

To get parent of a node:

To get root of a node:

Getting descendants of a node

To get all the descendants of a node:

To populate children relations for self and descendants of a node:

To get the children of a node:

Getting the leaves nodes

To get all the leaves of a node:

Getting the neighbors nodes

To get the next node:

To get the previous node:

Some checks

Modifications

To make a root node:

Note: if you allow multiple trees and attribute tree is not set, it automatically takes the primary key value.

To prepend a node as the first child of another node:

To append a node as the last child of another node:

To insert a node before another node:

To insert a node after another node:

To delete a node with descendants:

Optimisation

For uniform distribution of nodes over the interval (slow!):


All versions of yii2-nested-intervals with dependencies

PHP Build Version
Package Version
Requires php Version >=5.4.0
yiisoft/yii2 Version ~2.0.0
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