user-tambah.php

<?php
if(isset($_POST) && !empty($_POST)){
    include 'koneksi.php';

    $res = $db->prepare("INSERT into users(nama,gender,email,nohp,divisi,alamat) VALUES(?,?,?,?,?,?)");
    $res->bind_param('ssssss', $_POST['nama'], $_POST['gender'], $_POST['email'], $_POST['nohp'], $_POST['divisi'], $_POST['alamat']);
    if($res->execute()){
        echo "<script>alert('Data berhasil disimpan');location.href='web.php?p=user';</script>";
    }else{
        echo '<p>Data gagal disimpan</p>';
    }
}
?>
<div class="content">
    <h1>Tambah Data User</h1>
    <form action="" method="post">
    <table>
    <tr>
        <td>Nama</td>
        <td><input type="text" name="nama" placeholder="Nama" required /></td>
    </tr>
    <tr>
        <td>Jenis Kelamin</td>
        <td>
            <label><input type="radio" name="gender" value="L" required /> Laki-laki</label>
            <label><input type="radio" name="gender" value="P" required /> Perempuan</label>
        </td>
    </tr>
    <tr>
        <td>E-mail</td>
        <td><input type="email" name="email" placeholder="E-mail" required /></td>
    </tr>
    <tr>
        <td>No HP</td>
        <td><input type="tel" name="nohp" placeholder="No HP" required /></td>
    </tr>
    <tr>
        <td>Divisi</td>
        <td><select name="divisi" required>
            <option value="">Pilih Divisi</option>
            <option value="Divisi A">Divisi A</option>
            <option value="Divisi B">Divisi B</option>
            <option value="Divisi C">Divisi C</option>
        </select></td>
    </tr>
    <tr>
        <td>Alamat</td>
        <td><textarea name="alamat" cols="50" rows="3" placeholder="Alamat" required></textarea></td>
    </tr>
    <tr>
        <td></td>
        <td><input type="submit" value="Simpan" /></td>
    </tr>
    </table>
    </form>
</div>