private function serializeArray($data)
{
$ref = $this->referenceStore->getReference($data, ReferenceStore::TYPE_OBJECT);
if ($ref !== false) {
//use reference
$this->serializeInt($ref << 1);
return;
}
$isDense = Spec::isDenseArray($data);
if ($isDense) {
$this->serializeInt(count($data) << 1 | Spec::REFERENCE_BIT);
$this->serializeString('');
foreach ($data as $element) {
$this->serialize($element);
}
} else {
$this->serializeInt(1);
foreach ($data as $key => $value) {
$this->serializeString((string) $key, false);
$this->serialize($value);
}
$this->serializeString('');
}
}
