private function handleGenbankNumber($genbanknumbers, $category = 'genbank number') { $unique_genbanknumbers = array_unique(array_map('trim', explode(';', $genbanknumbers))); foreach ($unique_genbanknumbers as $genbanknumber) { $code = new Codes(); $code->setCodeCategory($category); $code->setCode($genbanknumber); $this->staging->addRelated($code); } }