<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="" method="post">
        <input type="text" name="nama" id="">
    </form>
    <?php
        if (isset($_POST['nama'])) {
            # code...
            $nama = $_POST['nama'];

            $query = mysqli_query(mysqli_connect('172.19.23.68', 'bc','bc011','billing_collective'), "SELECT * FROM bc_manifest_detil WHERE Nama_WP='$nama'");
            print_r(mysqli_fetch_assoc($query));
        }
    ?>
</body>
</html>