/**
* @param object $original
* @return object
*/
protected function cloneObject($original)
{
$cloneable = null;
$object = new ReflectionObject($original);
// Check the blacklist before asking PHP reflection to work around
// https://bugs.php.net/bug.php?id=53967
if ($object->isInternal() && isset(self::$uncloneableExtensions[$object->getExtensionName()])) {
$cloneable = false;
}
if ($cloneable === null) {
foreach (self::$uncloneableClasses as $class) {
if ($original instanceof $class) {
$cloneable = false;
break;
}
}
}
if ($cloneable === null && method_exists($object, 'isCloneable')) {
$cloneable = $object->isCloneable();
}
if ($cloneable === null && $object->hasMethod('__clone')) {
$method = $object->getMethod('__clone');
$cloneable = $method->isPublic();
}
if ($cloneable === null) {
$cloneable = true;
}
if ($cloneable) {
try {
return clone $original;
} catch (Exception $e) {
return $original;
}
} else {
return $original;
}
}