protected function recursiveArrayOfDomainObjectsToArray(array $domainObjects, $preventRecursion, $recursionMarker)
{
foreach ($domainObjects as $key => $possibleDomainObject) {
if (true === $possibleDomainObject instanceof DomainObjectInterface) {
$domainObjects[$key] = $this->recursiveDomainObjectToArray($possibleDomainObject, $preventRecursion, $recursionMarker);
} elseif (true === $possibleDomainObject instanceof \Traversable) {
$traversableAsArray = iterator_to_array($possibleDomainObject);
$domainObjects[$key] = $this->recursiveArrayOfDomainObjectsToArray($traversableAsArray, $preventRecursion, $recursionMarker);
}
}
return $domainObjects;
}