public function ambilSemuaMataPelajaran()
{
$mataPelajarans = new ArrayObject();
$ps = $this->connection->prepare("SELECT * FROM mata_pelajaran");
$ps->execute();
$rs = $ps->fetchAll();
foreach ($rs as $s) {
$mataPelajaran = new MataPelajaran();
$mataPelajaran->setIdMataPelajaran($s["id_mata_pelajaran"]);
$mataPelajaran->setMataPelajaran($s["mata_pelajaran"]);
$mataPelajarans->append($mataPelajaran);
}
return $mataPelajarans;
}
