public function getExtensions() { $extensions = new \SplObjectStorage(); foreach ($this->extensions as $iri => $value) { $extensions->attach(IRI::fromString($iri), $value); } return $extensions; }
/** * Creates a Verb that can be used to void a {@link Statement}. * * @return Verb */ public static function createVoidVerb() { return new Verb(IRI::fromString('http://adlnet.gov/expapi/verbs/voided')); }