<?php
$movies = simplexml_load_file('exempel.xml'); ?>
<form action="<?php $_SERVER["PHP_SELF"]; ?>" method="post">
<table border="0">
<tr><td> Title:</td><td> <input type="text" name="title" /></td></tr>
<tr><td> Genre:</td><td> <input type="text" name="genre" /></td></tr>
<tr><td> Year:</td><td> <input type="text" name="year" /></td></tr>
<tr><td> <input type="submit" value="Submit" name="submit"/></td><td><input type="reset" value="Clear" /></td></tr>
</table>
</form>
<?php
  $newMovie = $movies->addChild('movie');
  $newMovie->addChild('title', $_POST['title']);
  $newMovie->addChild('genre', $_POST['genre']);
  $newMovie->addChild('year', $_POST['year']);

  $movies->asXML('exempel.xml');