<?php
if (isset($_POST['submitted'])) {//If the user submitted the form, then add to the XML file
    //Load the scores XML file
    $scores = new DOMDocument();
    $scores -> load('scores.xml');

    //Get the <Games> tag
    $games = $scores -> getElementsByTagName('Games');

    //Create the new <Game> tag (Could probably be done better by first placing everything in an array or something)
    $newGame = $scores -> createElement("Game");
    $newGame -> appendChild($scores -> createElement("Time", $_POST['time']));
    $newGame -> appendChild($scores -> createElement("Score", $_POST['score']));
    $newGame -> appendChild($scores -> createElement("Row", $_POST['row']));

    //Add the new <Game> tag under the <Games> tag
    $games -> item(0) -> appendChild($newGame);

    //Save again
    $scores -> save('scores.xml');

    echo "New game added.";
}
?>
<form method="post" action="">
    Time:
    <br>
    <input type="text" name="time">
    <br>

    Row:
    <br>
    <input type="text" name="row">
    <br>

    Score:
    <br>
    <input type="text" name="score">
    <br>

    <input type="submit" name="submitted" name="Add new row">
</form>