Untitled

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <form action="" method="post">
        <p>How would you like to pay?<br>
            <select name="test">   <!-- here droplown list name -->
                <option value="No Payment Options Selected">[Choose Option Below]</option>
                <option value="Credit Card">Credit Card</option>
                <option value="Debit">Debit</option>
                <option value="Check">Check</option>
            </select><br>
            <input type="submit" name="button" value="submit" />
    </form>

</body>

</html>

<?php

if( isset($_POST["button"]) ) {
    $Pay_options=$_POST['test'];  //get data from drop downlist
    echo  $Pay_options;
}

?>