query($sqlCheckUsername); if ($resultCheckUsername && $resultCheckUsername->num_rows > 0) { echo json_encode(array('success' => false, 'error' => 'Username sudah terdaftar')); } else { $sqlInsert = "INSERT INTO sopir (nama_lengkap, username, password, no_SIM, alamat, notelp, status) VALUES ('$nama_lengkap', '$username', '$password', '$no_SIM', '$alamat', '$notelp', '$status')"; $resultInsert = $db->query($sqlInsert); if ($resultInsert) { echo json_encode(array('success' => true)); } else { echo json_encode(array('success' => false, 'error' => 'Gagal menyimpan data')); } }