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[Utility & Helpers](/categories/utility) 4. / 5. ml/json-ld ActiveLibrary[Utility & Helpers](/categories/utility) ml/json-ld ========== JSON-LD Processor for PHP 1.2.1(3y ago)3446.4M—7.8%62[19 issues](https://github.com/lanthaler/JsonLD/issues)[3 PRs](https://github.com/lanthaler/JsonLD/pulls)20MITPHPPHP >=5.3.0CI failing Since Mar 5Pushed 8mo ago23 watchersCompare [ Source](https://github.com/lanthaler/JsonLD)[ Packagist](https://packagist.org/packages/ml/json-ld)[ Docs](http://www.markus-lanthaler.com)[ RSS](/packages/ml-json-ld/feed)WikiDiscussions master Synced 1mo ago READMEChangelogDependencies (3)Versions (18)Used By (20) JsonLD [![Continuous integration](https://github.com/lanthaler/JsonLD/actions/workflows/ci.yaml/badge.svg)](https://github.com/lanthaler/JsonLD/actions/workflows/ci.yaml) ========================================================================================================================================================================== [](#jsonld-) JsonLD is a fully conforming [JSON-LD](http://www.w3.org/TR/json-ld/)processor written in PHP. It is extensively tested and passes the [official JSON-LD test suite](https://github.com/json-ld/tests). There's an [online playground](http://www.markus-lanthaler.com/jsonld/playground/)where you can evaluate the processor's basic functionality. Additionally to the features defined by the [JSON-LD API specification](http://www.w3.org/TR/json-ld-api/), JsonLD supports [framing](http://json-ld.org/spec/latest/json-ld-framing/)(including [value matching](https://github.com/json-ld/json-ld.org/issues/110), [deep-filtering](https://github.com/json-ld/json-ld.org/issues/110), [aggressive re-embedding](https://github.com/json-ld/json-ld.org/issues/119), and [named graphs](https://github.com/json-ld/json-ld.org/issues/118)) and an experimental [object-oriented interface for JSON-LD documents](https://github.com/lanthaler/JsonLD/issues/15). Installation ------------ [](#installation) The easiest way to install `JsonLD` is by requiring it with [Composer](https://getcomposer.org/). ``` composer require ml/json-ld ``` ... and including Composer's autoloader to your project ``` require('vendor/autoload.php'); ``` Of course, you can also download JsonLD as [ZIP archive](https://github.com/lanthaler/JsonLD/releases) from Github. JsonLD requires PHP 5.3 or later. Usage ----- [](#usage) The library supports the official [JSON-LD API](http://www.w3.org/TR/json-ld-api/) as well as a object-oriented interface for JSON-LD documents (not fully implemented yet, see [issue #15](https://github.com/lanthaler/JsonLD/issues/15) for details). All classes are extensively documented. Please have a look at the source code. ``` // Official JSON-LD API $expanded = JsonLD::expand('document.jsonld'); $compacted = JsonLD::compact('document.jsonld', 'context.jsonld'); $framed = JsonLD::frame('document.jsonld', 'frame.jsonld'); $flattened = JsonLD::flatten('document.jsonld'); $quads = JsonLD::toRdf('document.jsonld'); // Output the expanded document (pretty print) print JsonLD::toString($expanded, true); // Serialize the quads as N-Quads $nquads = new NQuads(); $serialized = $nquads->serialize($quads); print $serialized; // And parse them again to a JSON-LD document $quads = $nquads->parse($serialized); $document = JsonLD::fromRdf($quads); print JsonLD::toString($document, true); // Node-centric API $doc = JsonLD::getDocument('document.jsonld'); // get the default graph $graph = $doc->getGraph(); // get all nodes in the graph $nodes = $graph->getNodes(); // retrieve a node by ID $node = $graph->getNode('http://example.com/node1'); // get a property $node->getProperty('http://example.com/vocab/name'); // add a new blank node to the graph $newNode = $graph->createNode(); // link the new blank node to the existing node $node->addPropertyValue('http://example.com/vocab/link', $newNode); // even reverse properties are supported; this returns $newNode $node->getReverseProperty('http://example.com/vocab/link'); // serialize the graph and convert it to a string $serialized = JsonLD::toString($graph->toJsonLd()); ``` Commercial Support ------------------ [](#commercial-support) Commercial support is available on request. ### Health Score 56 — FairBetter than 98% of packages Maintenance41 Moderate activity, may be stable Popularity65 Solid adoption and visibility Community39 Small or concentrated contributor base Maturity67 Established project with proven stability Bus Factor1 Top contributor holds 96.5% 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 ~259 days Recently: every ~426 days Total 13 Last Release 1328d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/eb56bb436cdb5cb935166961547ecfaf85955077552ba8d5145bcd7af3126e07?d=identicon)[markus](/maintainers/markus) --- Top Contributors [![lanthaler](https://avatars.githubusercontent.com/u/456407?v=4)](https://github.com/lanthaler "lanthaler (361 commits)")[![zobzn](https://avatars.githubusercontent.com/u/579620?v=4)](https://github.com/zobzn "zobzn (3 commits)")[![k00ni](https://avatars.githubusercontent.com/u/381727?v=4)](https://github.com/k00ni "k00ni (2 commits)")[![whikloj](https://avatars.githubusercontent.com/u/2857697?v=4)](https://github.com/whikloj "whikloj (2 commits)")[![tomgillett](https://avatars.githubusercontent.com/u/1083890?v=4)](https://github.com/tomgillett "tomgillett (1 commits)")[![tstoeckler](https://avatars.githubusercontent.com/u/3929504?v=4)](https://github.com/tstoeckler "tstoeckler (1 commits)")[![maqnouch](https://avatars.githubusercontent.com/u/3692812?v=4)](https://github.com/maqnouch "maqnouch (1 commits)")[![frmichel](https://avatars.githubusercontent.com/u/1170961?v=4)](https://github.com/frmichel "frmichel (1 commits)")[![LukasRos](https://avatars.githubusercontent.com/u/192050?v=4)](https://github.com/LukasRos "LukasRos (1 commits)")[![cafferata](https://avatars.githubusercontent.com/u/1150425?v=4)](https://github.com/cafferata "cafferata (1 commits)") --- Tags hypermediajson-ldlinked-dataphprestschema-orgsemantic-webweb-apiJSON-LDjsonld ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/ml-json-ld/health.svg) ``` [![Health](https://phpackages.com/badges/ml-json-ld/health.svg)](https://phpackages.com/packages/ml-json-ld) ``` ### Alternatives [artesaos/seotools SEO Tools for Laravel and Lumen 3.3k5.1M60](/packages/artesaos-seotools)[torann/json-ld Extremely simple JSON-LD markup generator. 149620.7k1](/packages/torann-json-ld)[honeystone/laravel-seo SEO metadata and JSON-LD package for Laravel. 34744.1k](/packages/honeystone-laravel-seo)[brotkrueml/schema Embedding schema.org vocabulary - API and view helpers for schema.org markup 33584.6k13](/packages/brotkrueml-schema)[brick/schema Schema.org library for PHP 5163.7k1](/packages/brick-schema)[vaersaagod/seomate SEO, mate! 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