<!-- Collection of code snippets by Arne Vajhøj -->
<!-- from articles on eksperten.dk / vajhoej.dk (2004-now) -->
<?php
require_once 'XML/Serializer.php';
require_once 'XML/Unserializer.php';

class Employee {
    public $no;
    public $name;
    public $role;
    public function __construct($no = 0, $name = '', $role = '') {
        $this->no = $no;
        $this->name = $name;
        $this->role = $role;
    }
    function __toString() {
        return sprintf('[%d,%s,%s]', $this->no, $this->name, $this->role);
    }
}

class Employees {
    public $list;
    public function __construct() {
        $this->list = array();
    }
    function __toString() {
        return '{' . implode(',', $this->list) . '}';
    }
}

// create employees
$employees = new Employees();
$employees->list[] = new Employee(1, 'Alan A', 'Manager');
$employees->list[] = new Employee(2, 'Brian B', 'Engineer');
$employees->list[] = new Employee(3, 'Chris C', 'Sales rep');
$employees->list[] = new Employee(4, 'Dave D', 'Intern');

// write out
$serializer = new XML_Serializer(array('indent' => '    ', 'typeHints' => true));
$serializer->serialize($employees);
$xml = $serializer->getSerializedData();
echo $xml;

// read in
$unserializer = new XML_Unserializer(array());
$unserializer->unserialize($xml);
$o = $unserializer->getUnserializedData();
echo $o;
?>