<!-- Collection of code snippets by Arne Vajhøj -->
<!-- from articles on eksperten.dk / vajhoej.dk (2004-now) -->
<?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
$wrt = new XMLWriter();
$wrt->openURI('php://output');
$wrt->setIndent(true);
$wrt->startDocument();
$wrt->startElement('employees');
foreach($employees->list as $employee) {
    $wrt->startElement('employee');
    $wrt->startAttribute('no');
    $wrt->text($employee->no);
    $wrt->endAttribute();
    $wrt->startElement('name');
    $wrt->text($employee->name);
    $wrt->endElement();
    $wrt->startElement('role');
    $wrt->text($employee->role);
    $wrt->endElement();
    $wrt->endElement();
    
}
$wrt->endElement();
$wrt->endDocument();
?>