Untitled

<?php
    if (isset($_POST['submit'])) {
        require_once("koneksi.php");
        $sql = $conn->prepare("INSERT INTO pertemuan1 (Nama,Username,Email,Password) VALUES (?, ?, ?, ?)");
        $Nama = $_POST['Nama'];
        $Username= $_POST['Username'];
        $Email= $_POST['Email'];
        $Password= $_POST['Password'];
        $sql->bind_param("ssss", $Nama, $Username, $Email, $Password);
        if(!preg_match("/^[a-zA-Z ]+$/",$Nama)){

            $success_message = "<div class='alert alert-danger'>Kolom Nama Hanya Huruf Yang Dibolehkan, Dan Boleh Spasi.</div><br>";
        }
        else if($sql->execute()) {
            $success_message = "<div class='alert alert-warning'>Input Data Berhasil</div>";
        } else {
            $error_message = "<div class='alert alert-danger'>Ada masalah dengan Penginputan</div>";
        }
        $sql->close();
        $conn->close();
    }

?>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>


<html>
<head>
<link href="style.css" rel="stylesheet" type="text/css" />

<style>
.tbl-qa{border-spacing:0px;border-radius:4px;border:#6ab5b9 1px solid;}
</style>
  <title>Input Data Mahasiswa</title>
</head>
<body>
<?php if(!empty($success_message)) { ?>
<div class="success message"><?php echo $success_message; ?></div>
<?php } if(!empty($error_message)) { ?>
<div class="error message"><?php echo $error_message; ?></div>
<?php } ?>
<form id="frmUser" method="post" action="">
<div class="container">
    <br>
    <br>
<a href="index.php" class="btn btn-outline-warning">Daftar Data Mahasiswa</a>
<table border="0" cellpadding="10" cellspacing="0" width="500" align="center" class="tbl-qa">
    <thead>
        <tr>
            <th colspan="2" class="table-header">Tambah Data Mahasiswa</th>
        </tr>
    </thead>
    <tbody>
        <tr class="table-row">
            <td><label>NAMA</label></td>
            <td><input type="text" name="Nama" class="form-control"></td>
        </tr>
        <tr class="table-row">
            <td><label>USERNAME</label></td>
            <td><input type="text" name="Username" class="form-control"></td>
        </tr>
        <tr class="table-row">
            <td><label>EMAIL</label></td>
            <td><input type="text" name="Email" class="form-control"></td>
        </tr>
        <tr class="table-row">
            <td><label>PASSWORD</label></td>
            <td><input id="password" type="password" name="Password" class="form-control"></td>
        </tr>
        <br>
        <tr class="table-row">
            <td colspan="2"><input  type="submit" name="submit" value="Submit" class="btn btn-outline-primary"></td>
        </tr>
        <br>
    </tbody>
</table>
</div>
</form>
</body>
</html>