isInit()) { echo 'Error db init'; return; } if (!isset($_GET['id'])) { echo json_encode(false); } $id = $_GET['id']; if ($words = $db->getWordsList($id)) { $wordsClean = []; foreach ($words as $key => $word) { $wordsClean[] = array($word['word'], $word['relative']); } echo json_encode($wordsClean); } else { echo json_encode('No id'); }