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PHP OrientDB Object Document Mapper (ODM) provides transparent persistence for PHP objects to OrientDB.

1.0.0-beta7 2013-12-27 00:32 UTC


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What's Orient?

A set of tools to use and manage any OrientDB instance from PHP.

Orient includes:

  • the HTTP protocol binding
  • the query builder
  • the data mapper ( Object Graph Mapper )

If you don't know OrientDB take a look at its Documentation.

After cloning

In order to be able to run the examples and the test suite provided by Orient, you must first enter the root of the cloned repository and initialize all the needed dependencies using Composer. We provide an utility script in the bin/ subdirectory to ease this process so you can just do the following:

$ ./bin/

Current status of the binding

The binding is complete: it is an HTTP client wrapper with some methods bound to OrientDB's HTTP interface.

Its usage is straightforward:

$parameters = Doctrine\OrientDB\Binding\BindingParameters::create('http://admin:admin@');
$orient = new Doctrine\OrientDB\Binding\HttpBinding($parameters);
$output = $orient->query("SELECT FROM Address");

foreach ($output->getResult() as $address) {

Use the PHP5.3 standard autoloader (

Current status of the query builder

The query-builder is finished, in the future we will consider the integration of OrientDB Graph Edition:

To take advantage of the QB you only have to instantiate a Query object:

use Doctrine\OrientDB\Query\Query;

$query = new Query();
$query->from(array('users'))->where('username = ?', "admin");

echo $query->getRaw();      // SELECT FROM users WHERE username = "admin"

The Query object incapsulates lots of sub-commands, like SELECT, DROP, GRANT, INSERT and so on...

You can use also those commands:

use Doctrine\OrientDB\Query\Command\Select;

$select = new Select(array('users'));
echo $select->getRaw();     // SELECT FROM users

However, we strongly discourage this approach: commands will change, Query, thought as a facade, - hopefully - not.

You'd better take a look at the tests of the Query class and its subcommands to get a full overview of the available commands: in order to match OrientDB's native SQL-like synthax we tried to preserve names and stuff like that, but a few things have changed so far.

Current status of the mapper

We started working on the mapper and, right now, it is able to map OrientDB responses (converted in StdObject) to annotation-mapped POPOs. Also collections are hydrated properly.

However, it's under heavy work, so don't expect to be able to use it in a few weeks. Next steps are:

  • hydrate OrientDB native data-type (it includes floats, embedded-set|link|list, embedded-map|link|list and many others...)
  • provide a base repository class
  • implementation of the persistence from the ODM to OrientDB


Orient incapsulates also a few utilities for PHP developers: on of them is an implementation of Dijkstra's algorithm.

use Doctrine\OrientDB\Graph\Graph;
use Doctrine\OrientDB\Graph\Vertex;
use Doctrine\OrientDB\Graph\Algorithm\Dijkstra;

$graph = new Graph();

$rome = new Vertex('Rome');
$paris = new Vertex('Paris');
$london = new Vertex('London');

$rome->connect($paris, 2);
$rome->connect($london, 3);
$paris->connect($london, 1);


$algorithm = new Dijkstra($graph);



The test suite can be launched simply by executing phpunit from the root directory of the repository.

By default the suite does not perform integration tests to verify the correct behaviour of our implementation against a running instance of OrientDB. Since integration tests are marked using the @group annotation, they can be enabled by default via phpunit.xml by adding a comment to the integration group in the list of excluded groups or, if you just want to execute them on a single execution basis, first load fixtures with this script

php ./test/Integration/fixtures/load.php

followeb by launching the suite with the additional --group argument:

phpunit --group __nogroup__,integration

It is also possible to generate a HTML report showing the code health of the library using PHP_CodeBrowser paired with the following dependencies (in addition to phpunit):

  • phpcpd
  • phpdcd
  • phploc
  • phpmd
  • phpdepend
  • phpcb

Executing ./bin/ from the root directory of the repository will generate the report in log/report/index.html.


These are the requirements in order to use the library:

  • PHP >= 5.3.3
  • OrientDB >= 1.2.0

In order to launch the test suite PHPUnit 3.6 is required.

Tracker & software lifecycle


Further documentation

If you want to take a look at a fancy PHPDoc documentation you can use doxygen:

sudo apt-get install doxygen

and then use the script provided under the docs directory:

doxygen docs/orient.d

which will generate technical documentation under the folder docs/html.