function testChildren()
{
$comp = new VCalendar(array(), false);
// Note that 'myProp' is ignored here.
$comp->add($comp->createComponent('VEVENT'));
$comp->add($comp->createComponent('VTODO'));
$r = $comp->children();
$this->assertInternalType('array', $r);
$this->assertEquals(2, count($r));
}
/**
* count number of unique UIDs inside a calendar
* @param Component\VCalendar $vcalendar
* @return integer
*/
public static function countUniqueUIDs(Component\VCalendar $vcalendar)
{
$uids = [];
foreach ($vcalendar->children() as $child) {
if ($child instanceof Component\VEvent || $child instanceof Component\VJournal || $child instanceof Component\VTodo || $child instanceof Component\VFreeBusy) {
$uids[] = $child->{'UID'}->getValue();
}
}
return count(array_unique($uids));
}
