Cara Mudah Menyimpan Data MHS-MAKUL dengan PHP

ASsalamualaikum..
Sebelumnya kita sudah membuat tabel detail_maha_kuliah. Nah untuk sintax program simpannya berikut ni bro.

membuat_detail.php
 
$con=mysqli_connect("localhost","root","","my_db");
// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }

// Create table
$sql="CREATE TABLE detail_maha_kuliah(id INT(5) AUTO_INCREMENT PRIMARY KEY,nim CHAR(10),kode CHAR(10))";

// Execute query
if (mysqli_query($con,$sql))
  {
  echo "Table detail_maha_kuliah created successfully";
  }
else
  {
  echo "Error creating table: " . mysqli_error($con);
  }
?> 

Ambil_makul.php

  AMBIL MATA KULIAH

 
   
     
     
   
   
     
     
   
   
     
     
   
 

NIM
Kode Mata Kuliah

Kode_ambil.php

$con=mysql_connect("localhost","root","");
mysql_select_db ("my_db" ,$con);

$nim =$_POST[nim];
$kode =$_POST[kode];

if ($nim == "") {echo "NIM Belum di Isi";}
else if ($kode == "") {echo "Kode Belum di Isi";}
else {$simpan = mysql_query("INSERT INTO detail_maha_kuliah values ('','$nim','$kode')");
    if ($simpan) {echo "Data Berhasil di Simpan";}
}
?>

Sekian, Semoga Bermanfaat..
Wassalamualaikum