PHP: leer XML simpleXML

<?php
$xmlstr = <<<XML
<?xml version='1.0' standalone='yes'?>
<movies>
<movie>
  <title>PHP: Behind the Parser</title>
  <characters>
   <character>
    <name>Ms. Coder</name>
    <actor>Onlivia Actora</actor>
   </character>
   <character>
    <name>Mr. Coder</name>
    <actor>El Act&#211;r</actor>
   </character>
  </characters>
  <plot>
   So, this language. It's like, a programming language. Or is it a
   scripting language? All is revealed in this thrilling horror spoof
   of a documentary.
  </plot>
  <rating type="thumbs">7</rating>
  <rating type="stars">5</rating>
</movie>
</movies>
XML;

// include 'ejemplo.php';

$xml = simplexml_load_string($xmlstr);

echo $xml->movie[0]->plot; // "So this language. It's like..."
?>