public function intersection($array = null)
{
$arrays = self::_wrapArgs(func_get_args(), 1);
if (count($arrays) === 1) {
return self::_wrap($array);
}
$__ = new self();
$return = $__->first($arrays);
foreach ($__->rest($arrays) as $next) {
if (!$__->isArray($next)) {
$next = str_split((string) $next);
}
$return = array_intersect($return, $next);
}
return self::_wrap(array_values($return));
}
