Untitled

<?php

if(isset($_POST['submit']))
{
$name = $_POST['textdata'];
$phone = $_POST['textdata1'];
$fp = fopen('lista.txt', 'a+');
fwrite($fp, $name."\n".$phone);
fclose($fp);
}
?>
<!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="config.php" method="post">
        Enter Your Text Here:<br>
        <input type="text" name="textdata" placeholder="Seu Nome"><br>
        Phone:<br>
        <input type="text" name="textdata1" placeholder="Phone"><br>
        <input type="submit" name="submit">

      </form>

</body>
</html>