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Example code of relaxedws/lca

Informations about the package lca

Relaxedws/lca Build Status

A PHP Library to find Lowest Common ancestor from a Directed Acyclic Graph.

Insight

This library is built to find the Lowest Common ancestor from a Directed Acyclic graph. It first creates a graph and then stores the parents of a node(let's call it node1) in an array(call it array1). To find the parents of node1, we use Breadth First Search traversal in reverse order, i.e, From node1 to root. Same is done with node2. Then we find the LCA by the intersection of elements from array1 and array2. The first node returned by the intersection is the LCA of the 2 nodes.

Dependencies

This library uses clue/graph for creation of the graph and graphp/algorithms for Breadth First Traversal.

Install

The library can be installed via composer.

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Example

After installation, we can perform a merge the following way:

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Contributing

We welcome anyone to use, test, or contribute back to this project. We have extensive test coverage, but as we all know there's always bugs in software. Please file issues or pull requests with your comments or suggestions.

All versions of lca with dependencies

PHP Build Version
Package Version
Requires graphp/algorithms Version ~0
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