prepare("INSERT INTO compundsvocabulary (namecompoundsvocabulary, refid, preferred) VALUES (?, ?, ?)"); $stmt->bind_param('sis', $name, $refid, $preferred); if ($stmt->execute()) { echo json_encode(['success' => true]); } else { echo json_encode(['success' => false, 'error' => $stmt->error]); } } else { echo json_encode(['success' => false, 'error' => 'Invalid input']); }