private function addChild(SimpleXMLElement &$xmltree, Entities\BaseEntity $entity)
{
$xmlentitychild = $xmltree->addChild($entity->getXmlName());
foreach ($entity->getAttributeKeys() as $attributeKey) {
if ($entity->{$attributeKey} instanceof Entities\BaseEntity) {
// Add child for foreign entity
$this->addChild($xmlentitychild, $entity->{$attributeKey});
} elseif (is_array($entity->{$attributeKey}) && $entity->isChildEntity($attributeKey)) {
// Add subtree with childs for child entities
$this->addCollectionChilds($attributeKey, $xmlentitychild, $entity->{$attributeKey});
} else {
// Add xml child with attribute
if ($entity->{$attributeKey} === true) {
$entity->{$attributeKey} = 'true';
}
if ($entity->{$attributeKey} === false) {
$entity->{$attributeKey} = 'false';
}
if ($entity->{$attributeKey} instanceof DateTime) {
$entity->{$attributeKey} = $entity->{$attributeKey}->format(DateTime::ISO8601);
}
if (!is_null($entity->{$attributeKey}) && !in_array($attributeKey, $entity->getIgnoredPutPostValues())) {
// Do not include empty attributes
$xmlentitychild->addChild($attributeKey, htmlspecialchars($entity->{$attributeKey}));
}
}
}
}
public function getInvoices()
{
$response = $this->requestGet('/invoices');
return Entities\BaseEntity::makeCollectionFromResponse('Invoice', $response['Invoices']);
}
