/**
* Convert a JSON-LD document to RDF quads
*
* The document can be supplied directly as string, by passing a file
* path, or by passing a URL.
*
* Usage:
*
* $quads = JsonLD::toRdf('document.jsonld');
* print_r($quads);
*
* It is possible to configure the extraction process by setting the options
* parameter accordingly. Available options are:
*
* <dl>
* <dt>base</dt>
* <dd>The base IRI of the input document.</dd>
*
* <dt>expandContext</dt>
* <dd>An optional context to use additionally to the context embedded
* in input when expanding the input.</dd>
* </dl>
*
* The options parameter might be passed as associative array or as
* object.
*
* @param string|object|array $input The JSON-LD document to expand.
* @param null|array|object $options Options to configure the expansion
* process.
*
* @return Quad[] The extracted quads.
*
* @throws JsonLdException
*
* @api
*/
public static function toRdf($input, $options = null)
{
$options = self::mergeOptions($options);
$expanded = self::expand($input, $options);
$processor = new Processor($options);
return $processor->toRdf($expanded);
}
