EasyRdf is a PHP library designed to make it easy to consume and produce RDF.
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README.md

EasyRdf

Build Status

EasyRdf is a PHP library designed to make it easy to consume and produce RDF. It was designed for use in mixed teams of experienced and inexperienced RDF developers. It is written in Object Oriented PHP and has been tested extensively using PHPUnit.

After parsing EasyRdf builds up a graph of PHP objects that can then be walked around to get the data to be placed on the page. Dump methods are available to inspect what data is available during development.

Data is typically loaded into a EasyRdf\Graph object from source RDF documents, loaded from the web via HTTP. The EasyRdf\GraphStore class simplifies loading and saving data to a SPARQL 1.1 Graph Store.

SPARQL queries can be made over HTTP to a Triplestore using the EasyRdf\Sparql\Client class. SELECT and ASK queries will return an EasyRdf\Sparql\Result object and CONSTRUCT and DESCRIBE queries will return an EasyRdf\Graph object.

Example

$foaf = new \EasyRdf\Graph("http://njh.me/foaf.rdf");
$foaf->load();
$me = $foaf->primaryTopic();
echo "My name is: ".$me->get('foaf:name')."\n";

Downloads

The latest stable version of EasyRdf can be downloaded from the EasyRdf website.

Links

Requirements

  • PHP 5.3 or higher

Features

  • API documentation written in phpdoc
  • Extensive unit tests written using phpunit
  • Built-in parsers and serialisers: RDF/JSON, N-Triples, RDF/XML, Turtle
  • Optional parsing support for: ARC2, Redland Bindings, rapper
  • Optional support for Zend\Http\Client
  • No required external dependancies upon other libraries (PEAR, Zend, etc...)
  • Complies with Zend Framework coding style.
  • Type mapper - resources of type foaf:Person can be mapped into PHP object of class Foaf_Person
  • Support for visualisation of graphs using GraphViz
  • Comes with a number of examples

More Examples

Licensing

The EasyRdf library and tests are licensed under the BSD-3-Clause license. The examples are in the public domain, for more information see UNLICENSE.