SimpleXmL

From Flo's Knowledge in a Nutshell

How to create or handle XML Files with PHP

• http://ch.php.net/simplexml
• simplexml_load_file('url oder file'); => Object

$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 ActÓr</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>
  <great-lines>
   <line>PHP solves all my web problems</line>
  </great-lines>
  <rating type="thumbs">7</rating>
  <rating type="stars">5</rating>
 </movie>
</movies>
XML;

$xml = new SimpleXMLElement($xmlstr);

echo $xml->movie[0]->plot; // "So this language. It's like..."
echo $xml->movie->{'great-lines'}->line; // "PHP solves all my web problems"
/* For each <movie> node, we echo a separate <plot>. */
foreach ($xml->movie as $movie) {
   echo $movie->plot, '<br />';
}
/* Access the <rating> nodes of the first movie.
 * Output the rating scale, too. */
foreach ($xml->movie[0]->rating as $rating) {
    switch((string) $rating['type']) { // Get attributes as element indices
    case 'thumbs':
        echo $rating, ' thumbs up';
        break;
    case 'stars':
        echo $rating, ' stars';
        break;
    }
}
//SimpleXML includes built-in XPath support. To find all <character> elements: 
foreach ($xml->xpath('//character') as $character) {
    echo $character->name, 'played by ', $character->actor, '<br />';
}
//Since PHP 5.1.3, SimpleXML has had the ability to easily add children and attributes. 
$character = $xml->movie[0]->characters->addChild('character');
$character->addChild('name', 'Mr. Parser');
$character->addChild('actor', 'John Doe');

$rating = $xml->movie[0]->addChild('rating', 'PG');
$rating->addAttribute('type', 'mpaa');

echo $xml->asXML();