public function ubahSiswa(Siswa $siswa) { $nama = $siswa->getNama(); $kelas = $siswa->getKelas()->getIdKelas(); $nomorSiswa = $siswa->getNomorSiswa(); $ps = $this->connection->prepare("UPDATE siswa SET nama=:nama, id_kelas=:kelas where nomor_siswa=:nomorSiswa "); $ps->bindParam(":nama", $nama, PDO::PARAM_STR, 50); $ps->bindParam(":kelas", $kelas, PDO::PARAM_INT); $ps->bindParam(":nomorSiswa", $nomorSiswa, PDO::PARAM_INT); $ps->execute(); $this->connection = null; }