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I'm a student and currently I'm learning about PHP, i'm stuck at this, I really don't understand, and I hope there someone can teach me how to fix this things
The error shows: Notice: Undefined variable: tipe in C:\xampp\htdocs\q\admin\tambahjadwal.php on line 13 semua form harus diisi!
<?php
include"../koneksi/koneksi.php";
if(isset($_POST['tipe'])){
$berangkat=strip_tags($_POST['tipe']);
$dari=strip_tags($_POST['lokasi']);
$ke=strip_tags($_POST['harga']);
$waktu=strip_tags($_POST['fasilitas']);
$harga=strip_tags($_POST['max']);
$gambar=$_FILES['gambar']['tmp_name'];
$gambar_name=$_FILES[ 'gambar']['name'];
if($gambar&&$tipe&&$lokasi&&$harga&&$fasilitas&&$max){
move_uploaded_file($gambar, '../gambar/'.$gambar_name);
$insert="insert into hotel values('','$gambar_name','$tipe','$lokasi','$harga','$fasilitas','$max')";
$hasil=mysql_query($insert);
echo"<script>alert('jadwal berhasil ditambah');window.location.href='index.php';</script>";
}else{
echo"semua form harus diisi!";
}}
?>
<html>
<body>
<h2>Tambah Hotel</h2><br />
<form action="#" method="post" enctype="multipart/form-data">
<table width="850" border="0">
<tr>
<td width="360" align="right">gambar</td>
<td width="14" align="center">:</td>
<td width="462"><input type="file" name="gambar" required="required" /></td>
</tr>
<tr>
<td align="right">Tipe</td>
<td align="center">:</td>
<td><input type="text" name="tipe"" class="input" required="required" /></td>
</tr>
<tr>
<td align="right">Lokasi</td>
<td align="center">:</td>
<td><input type="text" name="lokasi" class="input" required="required" /></td>
</tr>
<tr>
<td align="right">Harga</td>
<td align="center">:</td>
<td><input type="text" name="harga" class="input" required="required" /></td>
</tr>
<tr>
<td align="right">Fasilitas</td>
<td align="center">:</td>
<td><input type="text" name="fasilitas" class="input" required="required" /></td>
</tr>
<tr>
<td align="right">Maksimal</td>
<td align="center">:</td>
<td><input type="text" name="max" class="input" required="required" /></td>
</tr>
<tr>
<td height="73" align="right"><input type="reset" value="reset" class="button" /></td>
<td> </td>
<td><input type="submit" value="tambah" class="button" onclick="return confirm('apakah anda yakin?')" /></td>
</tr>
</table>
</form>
</body>
</html>
and koneksi.php
<?php
mysql_connect("localhost","root","");
mysql_select_db("a");
?>
</div>
