db->get($table); } public function insert_data($data, $table) { $this->db->insert($table, $data); } public function get_prestasi_by_santri($id_santri) { return $this->db->get_where('tb_prestasi_santri', ['id_santri' => $id_santri])->result(); } public function update_data($data, $table) { $this->db->where('id_prestasi_santri', $data['id_prestasi_santri']); $this->db->update($table, $data); } public function get_filtered_data($start = null, $end = null) { if (!empty($start) && !empty($end)) { $this->db->where('tanggal >=', $start); $this->db->where('tanggal <=', $end); } return $this->db->get('tb_prestasi_santri')->result(); } public function delete($where, $table) { $this->db->where($where); $this->db->delete($table); } }