| protected convertObjectsToHashes ( array $routeValues ) : array | ||
| $routeValues | array | the array to be processed |
| return | array | the modified array or NULL if $routeValues contain an object and its identifier could not be determined |
protected function convertObjectsToHashes(array $routeValues)
{
foreach ($routeValues as &$value) {
if (is_object($value)) {
if ($value instanceof CacheAwareInterface) {
$identifier = $value->getCacheEntryIdentifier();
} else {
$identifier = $this->persistenceManager->getIdentifierByObject($value);
}
if ($identifier === null) {
return null;
}
$value = $identifier;
} elseif (is_array($value)) {
$value = $this->convertObjectsToHashes($value);
if ($value === null) {
return null;
}
}
}
return $routeValues;
}