<?php
    if(isset($_GET['e'])){ //If a date is submitted, edit it
        //Load the scores XML file
        $scores = new DOMDocument();
        $scores -> load('scores.xml');

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

        //Loop through each found game
        foreach ($games as $game) {
            $child = $game->getElementsByTagName("Date")->item(0);
            $oldScore = $game->getElementsByTagName("Score")->item(0);
            $oldRow = $game->getElementsByTagName("Row")->item(0);
            $time = $child->nodeValue;
            if($time==$_GET['e']){ //The date is the date asked for.
                $game -> replaceChild($scores -> createElement("Score", $_GET['score']),$oldScore);
                $game -> replaceChild($scores -> createElement("Row", $_GET['row']),$oldRow);
            }
        }

        //Save again
        $scores -> save('scores.xml');
    }
?>
<hr>
<?php
    //Load the scores XML file
    $scores = new DOMDocument();
    $scores -> load('scores.xml');

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

    //Loop through each game
    foreach ($games as $game) {
        //Print each with an edit link.
        $time = $game->getElementsByTagName("Date")->item(0)->nodeValue;
        $score = $game->getElementsByTagName("Score")->item(0)->nodeValue;
        $row = $game->getElementsByTagName("Row")->item(0)->nodeValue;
        echo "<h3>".$time . "</h3>
        <form method='get' action=''>
            <input type='hidden' name ='e' value='$time'>
            Score: <input type='text' value='$score' name='score'><br>
            Row: <input type='text' value='$row' name='row'><br>
            <input type='submit' value='edit'>
        </form>
        <hr>";
    }
?>