Namespaces with simplexml

simplexml-namespaces.php

<?php

$str = <<<EOD
<emp>
  <name>Peter</name>
  <category name="Employee" label="Mitarbeiter"/>
  <xy:gender>Male</xy:gender>
  <xy:website xy:href="http://www.xyz.com/peter">Peter&#x27;s Homepage</xy:website>
</emp>
EOD;

$xmlObj = simplexml_load_string($str,'SimpleXMLElement',  LIBXML_NOWARNING | LIBXML_NOXMLDECL | LIBXML_NOERROR);
$xmlObj->registerXPathNamespace('xy','http://myapp.org/xy');
$web = $xmlObj->xpath('/emp/website');
var_dump($web);
/* 
outputs: 
array(1) {
  [0]=>
  object(SimpleXMLElement)#2 (2) {
    ["@attributes"]=>
    array(1) {
      ["href"]=>
      string(24) "http://www.xyz.com/peter"
    }
    [0]=>
    string(16) "Peter's Homepage"
  }
}

*/
?>