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; }