Goals If you are a PHP developer, this guide provides an overview of options for connecting to Neo4j. While this guide is not comprehensive it will introduce the different drivers and link to the relevant resources. Prerequisites You should be… Learn More →
If you are a PHP developer, this guide provides an overview of options for connecting to Neo4j. While this guide is not comprehensive it will introduce the different drivers and link to the relevant resources.
You should be familiar with graph database concepts and the property graph model. You should have installed Neo4j and made yourself familiar with our Cypher Query language.
Overview
Neo4j for PHP Developers
You’re a PHP developer and want to start with Neo4j? Here you go.
Whether you’re using frameworks like Symfony and Laravel or you’re developing without frameworks, you’ll find an adequate library for your use case.
If you have any questions, you can always find a community member around on Twitter or StackOverflow by tagging your subjects with #neo4j-php.
Members of the PHP community have invested a lot of time and love to develop all these drivers, so please if you use them, provide feedback to the authors.
The Example Project
The Neo4j example project is a small, one page webapp for the movies database built into the Neo4j tutorial. The front-end page is the same for all drivers: movie search, movie details, and a graph visualization of actors and movies. Each backend implementation shows you how to connect to Neo4j from each of the different languages and drivers.
You can learn more about our small, consistent example project across many different language drivers here. You will find the implementations for all drivers as individual GitHub repositories, which you can clone and deploy directly.
Getting started tutorials
Using Neo4j in a standalone PHP environment
If you prefer to develop without frameworks, these libraries are made for you:
Neo4j Community Drivers
| The drivers below have been thankfully contributed by the Neo4j community. Many of these are fully featured and well maintained. But we don’t take any responsibility for their fitness for use with the most recent versions of Neo4j. |
GraphAware PHP Client
GraphAware PHP Client is a powerful and flexible PHP Client for Neo4j with MultiDB support, full High-Availability support for Neo4j Enterprise, and a convenient object formatter for handling graph results. The 4.0 release contains the following features:
- Support for the Bolt binary protocol
- Full-fledged Response Graph format
- Full High-Availability support, with master re-election detection, slaves fallback built-in mechanism, and convenience methods for directing write and read queries to different databases.
- Enterprise support by GraphAware
<?php
require_once 'vendor/autoload.php';
use GraphAware\Neo4j\Client\ClientBuilder;
$client = ClientBuilder::create()
->addConnection('bolt', 'bolt://neo4j:password@localhost:7687')
->build();
$query = "MATCH (n:Person)-[:FOLLOWS]->(friend) RETURN n.name, collect(friend) as friends";
$result = $client->run($query);
foreach ($result->getRecords() as $record) {
echo sprintf('Person name is : %s and has %d number of friends', $record->value('name'), count($record->value('friends'));
}Author | |
Example | |
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|
Source | |
Docs | https://github.com/graphaware/neo4j-php-client/blob/master/README.md |
GraphAware Neo4j-PHP-OGM
GraphAware Neo4j-PHP-OGM is an object graph mapper for Neo4j in PHP. Highly inspired by Doctrine2, it uses annotations to defined mapping and all the operations to the graph are centralized via an EntityManager.
<?php
namespace Movies;
use Doctrine\Common\Collections\ArrayCollection;
use GraphAware\Neo4j\OGM\Annotations as OGM;
/**
* @OGM\Node(label="Movie")
*/
class Movie
{
/**
* @OGM\GraphId()
* @var int
*/
protected $id;
/**
* @OGM\Property(type="string")
* @var string
*/
protected $title;
/**
* @OGM\Property(type="string")
* @var string
*/
protected $tagline;
/**
* @OGM\Property(type="int")
* @var int
*/
protected $release;
/**
* @OGM\Relationship(type="ACTED_IN", direction="OUTGOING", targetEntity="Person", collection=true)
* @var ArrayCollection|Person[]
*/
protected $actors;
/**
* @param string $title
* @param string|null $release
*/
public function __construct($title, $release = null)
{
$this->title = $title;
$this->release = $release;
$this->actors = new ArrayCollection();
}
// Getters and Setters<?php
$user = new User('cypher666');
/** @var Movie $movie */
$movie = $em->getRepository(Movie::class)->findOneBy('title', 'The Matrix');
$user->rateMovie($movie, '4.5');
$em->persist($user);
$em->flush();Author | |
Package | `composer require graphaware/neo4j-php-ogm:^1.0@beta |
Source | |
Docs | https://github.com/graphaware/neo4j-php-ogm/blob/1.0/docs/01-intro.md |
NeoEloquent for Laravel
Neo4j Graph Eloquent Driver for Laravel 4
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Neo4jPHP
Neo4jPHP provides an API that is both intuitive and flexible, and it takes advantage of ‘under-the-hood’ performance enhancements, such as caching and lazy-loading.
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Docs |
Neo4j-OGM-PHP
This library provides a basic object-graph-mapping system and is built on top of Doctrine and the Neo4jPHP library.
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Source |
Neo4jOGMBundle
This bundle is wraps the Neo4j-PHP-OGM library mentioned above for the Symfony framework.
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Source |
Neo4Laravel
A Neo4j Laravel 4.1 OGM Provider based on Neo4j-OGM-PHP.
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Source |
Applications built with PHP and Neo4j
Omnomhub
Like for Github, but for recipes!
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Thesaurus Manager
If you want to built your own thesaurus, this app is made for you
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Example | |
Source |
Graphgen
Graph generation engine based on a Cypher DSL
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Docs |
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