prosestransaksi.php

<?php
session_start();
include 'koneksi.php';
if(isset($_GET['act'])){
    if($_GET['act']=='bayar'){
        $idspp = $_GET['id'];
        $nisn = $_GET['nisn'];
        $tglbayar = date('Y-m-d');
        $nobayar = date('dmYHisis');
        $id_admin = $_SESSION['admin'];

        $byr=mysqli_query($conn, "UPDATE pembayaran SET
                nobayar = '$nobayar',
                tglbayar = '$tglbayar',
                ket = 'LUNAS',
                id_admin = '$id_admin'
                WHERE idspp = '$idspp'");
        if($byr){
            header('location: pembayaran.php?nisn='.$nisn);
        }
        else{
            echo "<script>alert('GAGAL')</script>";
        }

    }
    else if($_GET['act']=='cencel'){
        $idspp = $_GET['id'];
        $nisn = $_GET['nisn'];

        $batal=mysqli_query($conn, "UPDATE pembayaran SET
                    nobayar = null,
                    tglbayar = null,
                    ket = null,
                    id_admin = null 
                    WHERE idspp = '$idspp'");
                    
        if($batal){
            header('location: pembayaran.php?nisn='.$nisn);
        }
        else{
            echo "<script>alert('GAGAL')</script>";
        }
    }
}
?>