form input

<h1 class="page-header"> <span class="glyphicon glyphicon-book"></span> &nbsp Input Soal Try-Out</h1>
    <div class="row placeholders">
        <form class="form-horizontal" method="post" enctype="multipart/form-data">
        <div class="form-group">
            <label for="inputEmail3" class="col-sm-2 control-label">Jurusan</label>
            <div class="col-sm-5">
                <select class="form-control" name="jurusan">
                    <option>--Pilih Mata Jurusan--</option>
                    <?php
                    $sql ="SELECT * FROM  `tbl_jurusan` ";
                    $query = mysql_query($sql);
                    while($row = mysql_fetch_array($query)){
                    ?>
                  <option value="<?php echo $row[1]?>"><?php echo $row[1]?></option>
                  <?php
                    }
                  ?>
                </select>
            </div>
          </div>
        <div class="form-group">
            <label for="inputEmail3" class="col-sm-2 control-label">Mata Pelajaran</label>
            <div class="col-sm-5">
                <select class="form-control" name="mapel">
                    <option>--Pilih Mata Pelajaran--</option>
                    <?php
                    $sql ="SELECT * FROM  `tbl_mapel` ";
                    $query = mysql_query($sql);
                    while($row = mysql_fetch_array($query)){
                    ?>
                        <option value="<?php echo $row[1]?>"><?php echo $row[1]?></option>
                  <?php
                    }
                  ?>
                </select>
            </div>
          </div>
          <div class="form-group">
            <label for="inputEmail3" class="col-sm-2 control-label">Pertanyaan</label>
            <div class="col-sm-8">
              <textarea class="form-control" rows="3" name="soal"></textarea>
            </div>
          </div>
          <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Gambar</label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Gambar" name="gambar">
            </div>
          </div>
          <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Jawaban A</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Jawaban A" name="pilihan_a">
            </div>
          </div>
            <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label"></label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Gambar" name="pilihan_a">
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Jawaban B</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Jawaban B" name="pilihan_b">
            </div>
          </div>
            <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label"></label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Gambar" name="pilihan_b">
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Jawaban C</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Jawaban C" name="pilihan_c">
            </div>
          </div>
            <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label"></label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Gambar" name="pilihan_c">
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label" >Jawaban D</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Jawaban D" name="pilihan_d">
            </div>
          </div>
          <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label"></label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Gambar" name="pilihan_d">
            </div>
          </div>
          <div class="form-group">
            <label for="inputEmail3" class="col-sm-2 control-label">Kunci Jawaban</label>
            <div class="col-sm-5">
            <select class="form-control" name="kunci_jawaban">
                  <option>--Pilih Mata Pelajaran--</option>
                  <option value="A">A</option>
                  <option value="B">B</option>
                  <option value="C">C</option>
                  <option value="D">D</option>

            </select>
            </div>
          </div>
            </br>
          <div class="form-group">
            <div class="col-sm-offset-1 col-sm-6">
              <button type="submit" name="submit" class="btn btn-primary btn-lg">Input Soal</button>
            </div>
          </div>
        </form>
    </div>
<?php
    if(isset($_POST['submit'])){

        $mapel      = $_POST['mapel'];
        $jurusan    = $_POST['jurusan'];
        $pertanyaan = $_POST['soal'];
        $plh_a      = $_POST['pilihan_a'];
        $plh_a      = $_FILES['pilihan_a']['name'];
        $plh_b      = $_POST['pilihan_b'];
        $plh_b      = $_FILES['pilihan_b']['name'];
        $plh_c      = $_POST['pilihan_c'];
        $plh_c      = $_FILES['pilihan_c']['name'];
        $plh_d      = $_POST['pilihan_d'];
        $plh_d      = $_FILES['pilihan_d']['name'];
        $kunci_jwb  = $_POST['kunci_jawaban'];
        $gambar     = $_FILES['gambar']['name'];
        $folder     = "file/";
        $folder     = $folder .basename($_FILES['gambar']['name']);
        $folder1    = $folder .basename($_FILES['pilihan_a']['name']);
        $folder2    = $folder .basename($_FILES['pilihan_b']['name']);
        $folder3    = $folder .basename($_FILES['pilihan_c']['name']);
        $folder4    = $folder .basename($_FILES['pilihan_d']['name']);

        $sql =" INSERT INTO `tbl_soal`VALUES ('','$jurusan','$mapel','$pertanyaan','$plh_a','$plh_b','$plh_c','$plh_d','$kunci_jwb','$gambar',NOW(),'N')";
        $query = mysql_query($sql);
        if($query){
            move_uploaded_file($_FILES['gambar']['tmp_name'], $folder);
            move_uploaded_file($_FILES['pilihan_a']['tmp_name'], $folder1);
            move_uploaded_file($_FILES['pilihan_b']['tmp_name'], $folder2);
            move_uploaded_file($_FILES['pilihan_c']['tmp_name'], $folder3);
            move_uploaded_file($_FILES['pilihan_d']['tmp_name'], $folder4);
        ?>
            <script type="text/javascript">
                    alert("Data Berhasil Di Tambah");
                    window.location="index2.php?halaman=soal";
            </script>
        <?php
        }else{
        ?>
            <script type="text/javascript">
                    window.location="index2.php?halaman=soal";
                </script>
        <?php
        }


    }

?>