View difference between Paste ID: f9vyHqUJ and DkaNA0NQ

       <?php
 	  include('koneksi.php');
                     if($_POST) {
 
                         $username=mysql_escape_string($_POST['username']);
                         $password=mysql_escape_string($_POST['password']);
                         $sql="SELECT * FROM pedagang WHERE username='".$username."' AND  password='".$password."'";
                         $query=mysql_query($sql);
                         $data=mysql_fetch_array($query);
                         $cari=mysql_num_rows($query);
                         if($cari > 0) {
                             session_start();
                             $_SESSION['username'] = $username;
                             $_SESSION['password'] = $password;
                             // coba cek dulu ini udah bener apa ngga
-							if(!isset($data['id_pedagang']) {
+							if(!isset($data['id_pedagang'])) {
                                var_dump($data)
                                die('id pedagang gak ada');
 							}
 							$_SESSION['id_pedagang'] = $data['id_pedagang'];
                             $_SESSION['nama'] = $data['nama'];
 
 							echo "<script>window.location=\"index_pedagang.php\"</script>";
                         } else {
 							print "<script>alert('selamat datang !') ;
 							javascript:history.go(-1);</script>";
                             echo "<div class='alert alert-warning'>
                                         <strong>Login Gagal!</strong> Username atau Password salah.
                                   </div>";
 
 
 
                         }
                     }
                         ?>