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- <?php
- include "koneksi.php";
- $id_barang=$_POST['id_barang'];
- $stok=$_POST['stok'];
- $istok=$_POST['istok'];
- $istok = preg_replace("/\-/", '', $istok);
- $terjual=$_POST['terjual'];
- $tambah=$stok+$istok;
- $total=$tambah-$terjual;
- if($istok = preg_replace("/\-/", '', $istok))
- {
- echo "<script language='javascript'>
- alert('tidak boleh mengandung karakter minus (-)');
- window.location='tampilkan_barang.php';
- </script>";
- }
- else if(!is_numeric($istok))
- {
- echo "<script language='javascript'>
- alert('Maaf stok Hanya Bisa Di isi angka');
- window.location='tampilkan_barang.php';
- </script>";
- }
- else
- {
- $perintah="update barang set stok='$tambah',sisa_stok='$total' where id_barang='$id_barang'";
- $query=mysql_query($perintah);
- echo "<script language='javascript'>
- alert('Jumlah Barang Sudah Di Tambah');
- window.location='tampilkan_barang.php';
- </script>";
- }
- ?>
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