import time
time.time()// pure php
time()
// Carbon\Carbon
Carbon::now()->timestamp// pure java
(int) (System.currentTimeMillis() / 1000)
// joda
(int) (DateTime.now().getMillis() / 1000)Math.round(new Date() / 1000)import (
  "time"
)
int32(time.Now().Unix())NSDate().timeIntervalSince1970
[[NSDate date] timeIntervalSince1970]Time.now.to_idate +%sSELECT unix_timestamp(now())SELECT strftime('%s', 'now')calendar:datetime_to_gregorian_seconds(calendar:universal_time())-719528*24*3600.(DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000(new Date().time / 1000).intValue()os.time()