<?php
$cluster = new \Couchbase\Cluster('0.0.0.0?dnssrv=false');
$bucket = $cluster->openBucket();
// set expiry is ok.
$bucket->insert('test', [1 => 1, 2 => 2], ['expiry' => time() + 60 * 60]);
$in = $bucket->mutateIn('test');
$in->counter(2, -1);
$in->execute();
// now, expiry is reset 0.
fix pls.