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[Utility & Helpers](/categories/utility) 4. / 5. easyrdf/easyrdf ActiveLibrary[Utility & Helpers](/categories/utility) easyrdf/easyrdf =============== EasyRdf is a PHP library designed to make it easy to consume and produce RDF. 1.1.1(5y ago)62231.5M↓11.6%154[38 issues](https://github.com/easyrdf/easyrdf/issues)[10 PRs](https://github.com/easyrdf/easyrdf/pulls)20BSD-3-ClausePHPPHP >=7.1.0 Since Oct 12Pushed 6mo ago32 watchersCompare [ Source](https://github.com/easyrdf/easyrdf)[ Packagist](https://packagist.org/packages/easyrdf/easyrdf)[ Docs](http://www.easyrdf.org/)[ RSS](/packages/easyrdf-easyrdf/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (7)Versions (25)Used By (20) EasyRdf ======= [](#easyrdf) EasyRdf is a PHP library designed to make it easy to consume and produce [RDF](https://en.wikipedia.org/wiki/Resource_Description_Framework). 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 an [`EasyRdf\Graph`](https://www.easyrdf.org/docs/api/EasyRdf%5CGraph.html) object from source RDF documents, loaded from the web via HTTP. The [`EasyRdf\GraphStore`](https://www.easyrdf.org/docs/api/EasyRdf%5CGraphStore.html) 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`](https://www.easyrdf.org/docs/api/EasyRdf%5CSparql%5CClient.html) class. `SELECT` and `ASK` queries will return an [`EasyRdf\Sparql\Result`](https://www.easyrdf.org/docs/api/EasyRdf%5CSparql%5CResult.html) object and `CONSTRUCT` and `DESCRIBE` queries will return an [`EasyRdf\Graph`](https://www.easyrdf.org/docs/api/EasyRdf%5CGraph.html) object. ### Example [](#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 --------- [](#downloads) The latest *stable* version of EasyRdf can be [downloaded from the EasyRdf website](https://www.easyrdf.org/downloads). Links ----- [](#links) - [EasyRdf Homepage](https://www.easyrdf.org/) - [API documentation](https://www.easyrdf.org/docs/api) - [Change Log](https://github.com/easyrdf/easyrdf/blob/main/CHANGELOG.md) - [Source Code](https://github.com/easyrdf/easyrdf) - [Issue Tracker](https://github.com/easyrdf/easyrdf/issues) Requirements ------------ [](#requirements) - PHP 7.1 or higher Features -------- [](#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](https://github.com/semsol/arc2/), [rapper](http://librdf.org/raptor/rapper.html) - Optional support for [`Zend\Http\Client`](https://docs.zendframework.com/zend-http/client/intro/) - No required external dependencies 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](https://www.graphviz.org/) - Comes with a number of examples List of Examples ---------------- [](#list-of-examples) - [`basic.php`](/examples/basic.php#slider) - Basic "Hello World" type example - [`basic_sparql.php`](/examples/basic_sparql.php#slider) - Example of making a SPARQL `SELECT` query - [`converter.php`](/examples/converter.php#slider) - Convert RDF from one format to another - [`dump.php`](/examples/dump.php#slider) - Display the contents of a graph - [`foafinfo.php`](/examples/foafinfo.php#slider) - Display the basic information in a FOAF document - [`foafmaker.php`](/examples/foafmaker.php#slider) - Construct a FOAF document with a choice of serialisations - [`graph_direct.php`](/examples/graph_direct.php#slider) - Example of using `EasyRdf\Graph` directly without `EasyRdf\Resource` - [`graphstore.php`](/examples/graphstore.php#slider) - Store and retrieve data from a SPARQL 1.1 Graph Store - [`graphviz.php`](/examples/graphviz.php#slider) - GraphViz rendering example - [`html_tag_helpers.php`](/examples/html_tag_helpers.php#slider) - Rails Style html tag helpers to make the EasyRdf examples simpler - [`httpget.php`](/examples/httpget.php#slider) - No RDF, just test `EasyRdf\Http\Client` - [`open_graph_protocol.php`](/examples/open_graph_protocol.php#slider) - Extract Open Graph Protocol metadata from a webpage - [`serialise.php`](/examples/serialise.php#slider) - Basic serialisation example - [`sparql_queryform.php`](/examples/sparql_queryform.php#slider) - Form to submit SPARQL queries and display the result - [`uk_postcode.php`](/examples/uk_postcode.php#slider) - Example of resolving UK postcodes using uk-postcodes.com - [`wikidata_villages.php`](/examples/wikidata_villages.php#slider) - Fetch and information about villages in Fife from Wikidata - [`zend_framework.php`](/examples/zend_framework.php#slider) - Example of using `Zend\Http\Client` with EasyRdf Contributing ------------ [](#contributing) We welcome any contributions. For further information please read [CONTRIBUTING.md](CONTRIBUTING.md). For further information about extending / hack EasyRdf please read [DEVELOPER.md](DEVELOPER.md). Running Examples ---------------- [](#running-examples) The easiest way of trying out some of the examples is to use the PHP command to run a local web server on your computer. ``` php -S localhost:8080 -t examples ``` Then open the following URL in your browser: Licensing --------- [](#licensing) The EasyRdf library and tests are licensed under the [BSD-3-Clause](https://www.opensource.org/licenses/BSD-3-Clause) license. The examples are in the public domain, for more information see [UNLICENSE](https://unlicense.org/). ### Health Score 60 — FairBetter than 99% of packages Maintenance45 Moderate activity, may be stable Popularity71 Solid adoption and visibility Community46 Growing community involvement Maturity68 Established project with proven stability Bus Factor1 Top contributor holds 82.6% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~156 days Recently: every ~44 days Total 20 Last Release 1993d ago Major Versions 0.9.x-dev → 1.0.0-rc.12020-07-08 PHP version history (3 changes)0.7.0PHP >=5.2.8 0.10.0-alpha.1PHP >=5.3.0 1.0.0-rc.1PHP >=7.1.0 ### Community Maintainers ![](https://www.gravatar.com/avatar/caf7e2a5536fc746a8b33c6e1baa4b7d7dbeef6d0620d27b0836ca85b65beed7?d=identicon)[njh](/maintainers/njh) --- Top Contributors [![njh](https://avatars.githubusercontent.com/u/38734?v=4)](https://github.com/njh "njh (1241 commits)")[![indeyets](https://avatars.githubusercontent.com/u/13445?v=4)](https://github.com/indeyets "indeyets (161 commits)")[![k00ni](https://avatars.githubusercontent.com/u/381727?v=4)](https://github.com/k00ni "k00ni (20 commits)")[![scor](https://avatars.githubusercontent.com/u/77741?v=4)](https://github.com/scor "scor (16 commits)")[![alexpott](https://avatars.githubusercontent.com/u/769634?v=4)](https://github.com/alexpott "alexpott (7 commits)")[![hmaxs](https://avatars.githubusercontent.com/u/9107177?v=4)](https://github.com/hmaxs "hmaxs (6 commits)")[![coreation](https://avatars.githubusercontent.com/u/361244?v=4)](https://github.com/coreation "coreation (6 commits)")[![thiemowmde](https://avatars.githubusercontent.com/u/6576639?v=4)](https://github.com/thiemowmde "thiemowmde (5 commits)")[![bdecarne](https://avatars.githubusercontent.com/u/1277131?v=4)](https://github.com/bdecarne "bdecarne (5 commits)")[![ragol](https://avatars.githubusercontent.com/u/3726736?v=4)](https://github.com/ragol "ragol (4 commits)")[![osma](https://avatars.githubusercontent.com/u/1132830?v=4)](https://github.com/osma "osma (3 commits)")[![white-gecko](https://avatars.githubusercontent.com/u/1018168?v=4)](https://github.com/white-gecko "white-gecko (3 commits)")[![jaw111](https://avatars.githubusercontent.com/u/2478333?v=4)](https://github.com/jaw111 "jaw111 (3 commits)")[![jonphipps](https://avatars.githubusercontent.com/u/12743?v=4)](https://github.com/jonphipps "jonphipps (3 commits)")[![jbout](https://avatars.githubusercontent.com/u/5815304?v=4)](https://github.com/jbout "jbout (2 commits)")[![CloCkWeRX](https://avatars.githubusercontent.com/u/365751?v=4)](https://github.com/CloCkWeRX "CloCkWeRX (2 commits)")[![zerocrates](https://avatars.githubusercontent.com/u/298975?v=4)](https://github.com/zerocrates "zerocrates (2 commits)")[![moustaki](https://avatars.githubusercontent.com/u/2491?v=4)](https://github.com/moustaki "moustaki (2 commits)")[![balkian](https://avatars.githubusercontent.com/u/213135?v=4)](https://github.com/balkian "balkian (2 commits)")[![kizule](https://avatars.githubusercontent.com/u/28963303?v=4)](https://github.com/kizule "kizule (1 commits)") --- Tags phprdfsparqlRDFSemantic WebLinked DatasparqlrdfaTurtle ### Code Quality TestsPHPUnit Code StylePHP\_CodeSniffer ### Embed Badge ![Health badge](/badges/easyrdf-easyrdf/health.svg) ``` [![Health](https://phpackages.com/badges/easyrdf-easyrdf/health.svg)](https://phpackages.com/packages/easyrdf-easyrdf) ``` ### Alternatives [sweetrdf/easyrdf EasyRdf is a PHP library designed to make it easy to consume and produce RDF. 261.3M11](/packages/sweetrdf-easyrdf)[semsol/arc2 ARC2 is a PHP library for working with RDF. 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